Siemens SINAMICS G120 CU230P-2 User manual

Answers for industry.
SINAMICS
SINAMICS G120
Frequency converters with the Control Units
CU230P-2 HVAC
CU230P-2 DP
CU230P-2 CAN
Operating instructions · 01 2011

Frequency inverters with Control Units
CU230P-2 HVAC,
_
_________________
_
_
_________________
_
_
_________________
_
_
_________________
_
_
_________________
_
_
____
_
_____________
_
_________________
_
_
_________________
_
_
_________________
_
_
_________________
_
_
_________________
_
_
_________________
_
SINAMICS
SINAMICS G120
Frequency inverters with Control
Units CU230P-2 HVAC, CU230P-2
DP, CU230P-2 CAN
Operating Instructions
Edition 01/2011, Firmware V4.4
Original instructions
01/2011, FW 4.4
A5E02430659B AD
Change history
Introduction
1
Description
2
Installing
3
Commissioning
4
Adapting the terminal strip
5
Configuring the fieldbus
6
Functions
7
Service and maintenance
8
Alarms, faults and system
messages
9
Technical data
10
Appendix
A

Legal information
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
with a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.
CAUTION
without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.
NOTICE
indicates that an unintended result or situation can occur if the corresponding information is not taken into
account.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation for the specific task, in particular its warning notices and
safety instructions. Qualified personnel are those who, based on their training and experience, are capable of
identifying risks and avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be adhered to. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this
publication may be trademarks whose use by third parties for their own purposes could violate the rights of the
owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.
Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
GERMANY
A5E02430659B AD
Ⓟ 04/2011
Copyright © Siemens AG 2009,
2010, 2011.
Technical data subject to change

Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD 3
Change history
Important changes with respect to the manual Edition 07/2010
New functions in firmware V4.4 In Chapter
Predefined settings for the converter interfaces •Installing Control Unit (Page 44)
Two- and three-wire control via terminal block •Inverter control (Page 185)
Unit changeover •Application-specific functions
(Page 219)
Expanded options for controlling DC braking •Braking functions of the converter
(Page 225)
Automatic restart expanded by a new mode •Automatic restart and flying restart
(Page 237)
Trace via STARTER •Commissioning with STARTER
(Page 68)
Revised descriptions In Chapter
The description of the PM240-2 and PM250-2 Power
Modules has been removed. It is expected that this Power
Module will be released with firmware V4.5.
•Installing Power Module (Page 30)
•Technical data, Power Modules
(Page 305)
Connecting up the terminal strip •Installing Control Unit (Page 44)
•Adapting the terminal strip
(Page 85)
USB interface settings for commissioning with STARTER. •Commissioning with STARTER
(Page 68)
Slave-to-slave communication via PROFIBUS DP •Communication via PROFIBUS
(Page 98)
•Application examples (Page 323)
Acyclic communication via PROFIBUS DP (data set 47) •Acyclic communication (Page 113)
•Application examples (Page 323)
Connection of the converter to CANopen •Configuring the fieldbus (Page 97)
Function overview •Functions (Page 183)

Change history
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
4 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD

Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD 5
Table of contents
Change history .......................................................................................................................................... 3
1 Introduction.............................................................................................................................................. 11
1.1 About this manual ........................................................................................................................11
1.2 Guide through this manual...........................................................................................................12
1.3 Adapting inverter to application....................................................................................................13
1.3.1 General basics .............................................................................................................................13
1.3.2 Parameter ....................................................................................................................................13
1.4 Frequently required parameters...................................................................................................14
1.5 Extended scope for adaptation ....................................................................................................16
1.5.1 BICO technology: basic principles ...............................................................................................16
1.5.2 BICO technology: example ..........................................................................................................18
2 Description............................................................................................................................................... 21
2.1 Modularity of the converter system..............................................................................................21
2.2 Control Units ................................................................................................................................24
2.3 Power Module ..............................................................................................................................25
2.4 Reactors and filters ......................................................................................................................26
3 Installing .................................................................................................................................................. 27
3.1 Procedure for installing the frequency inverter ............................................................................27
3.2 Installing reactors and filters ........................................................................................................28
3.3 Installing Power Module...............................................................................................................30
3.3.1 Dimensions, hole drilling templates, minimum clearances, tightening torques ...........................31
3.3.2 Connection overview for Power Modules ....................................................................................35
3.3.3 Connecting the line supply and motor .........................................................................................36
3.3.4 EMC-compliant connection ..........................................................................................................39
3.3.5 EMC-compliant installation for devices with degree of protection IP55 / UL Type 12.................42
3.4 Installing Control Unit...................................................................................................................44
3.4.1 Interfaces, connectors, switches, control terminals, LEDs on the CU.........................................46
3.4.2 Terminal strips of the CU .............................................................................................................47
3.4.3 Selecting the interface assignments ............................................................................................48
3.4.4 Wiring terminal strips ...................................................................................................................51
4 Commissioning ........................................................................................................................................ 53
4.1 Restoring the factory setting ........................................................................................................55
4.2 Preparing for commissioning .......................................................................................................56
4.2.1 Inverter factory setting .................................................................................................................58
4.2.2 Defining requirements for the application ....................................................................................59
4.3 Commissioning with factory settings............................................................................................60

Table of contents
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
6 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
4.3.1 Wiring examples for the factory settings ..................................................................................... 61
4.4 Commissioning with the BOP-2 .................................................................................................. 63
4.4.1 Menu structure ............................................................................................................................ 64
4.4.2 Freely selecting and changing parameters.................................................................................65
4.4.3 Basic commissioning................................................................................................................... 66
4.4.4 Additional settings ....................................................................................................................... 67
4.5 Commissioning with STARTER .................................................................................................. 68
4.5.1 Adapting the USB interface......................................................................................................... 69
4.5.2 Generating a STARTER project.................................................................................................. 70
4.5.3 Go online and perform the basic commissioning........................................................................ 70
4.5.4 Making additional settings........................................................................................................... 74
4.5.5 Trace function for optimizing the drive ........................................................................................ 75
4.6 Data backup and standard commissioning................................................................................. 78
4.6.1 Backing up and transferring settings using a memory card........................................................ 79
4.6.1.1 Saving setting on memory card .................................................................................................. 79
4.6.1.2 Transferring the setting from the memory card........................................................................... 81
4.6.1.3 Safely remove the memory card ................................................................................................. 82
4.6.2 Backing up and transferring settings using STARTER ............................................................... 83
4.6.3 Saving settings and transferring them using an operator panel ................................................. 83
4.6.4 Other ways to back up settings................................................................................................... 83
5 Adapting the terminal strip ....................................................................................................................... 85
5.1 Preconditions .............................................................................................................................. 85
5.2 Digital inputs................................................................................................................................ 86
5.3 Digital outputs ............................................................................................................................. 88
5.4 Analog inputs .............................................................................................................................. 89
5.5 Analog outputs ............................................................................................................................ 93
6 Configuring the fieldbus ........................................................................................................................... 97
6.1 Communication via PROFIBUS .................................................................................................. 98
6.1.1 Configuring communication to the control................................................................................... 98
6.1.2 Setting the address ..................................................................................................................... 99
6.1.3 Basic settings for communication ............................................................................................. 100
6.1.4 Cyclic communication ............................................................................................................... 101
6.1.4.1 Control and status word 1 ......................................................................................................... 102
6.1.4.2 Control and status word 3 ......................................................................................................... 105
6.1.4.3 Data structure of the parameter channel .................................................................................. 107
6.1.4.4 Slave-to-slave communication .................................................................................................. 112
6.1.5 Acyclic communication.............................................................................................................. 113
6.1.5.1 Reading and changing parameters via data set 47 .................................................................. 113
6.2 Communication via RS485........................................................................................................ 118
6.2.1 Integrating inverters into a bus system via the RS485 interface............................................... 118
6.2.2 Communication via USS ........................................................................................................... 119
6.2.2.1 Setting the address ................................................................................................................... 119
6.2.2.2 Basic settings for communication ............................................................................................. 120
6.2.2.3 Structure of a USS telegram ..................................................................................................... 120
6.2.2.4 User data range of the USS telegram....................................................................................... 122
6.2.2.5 Data structure of the USS parameter channel.......................................................................... 123

Table of contents
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD 7
6.2.2.6 USS read request ......................................................................................................................128
6.2.2.7 USS write job .............................................................................................................................129
6.2.2.8 USS process data channel (PZD)..............................................................................................130
6.2.2.9 Time-out and other errors ..........................................................................................................130
6.2.3 Communication over Modbus RTU............................................................................................133
6.2.3.1 Setting the address ....................................................................................................................134
6.2.3.2 Basic settings for communication ..............................................................................................134
6.2.3.3 Modbus RTU telegram...............................................................................................................135
6.2.3.4 Baud rates and mapping tables .................................................................................................136
6.2.3.5 Write and read access via FC 3 and FC 6.................................................................................139
6.2.3.6 Communication procedure.........................................................................................................141
6.2.4 Communication via BACnet MS/TP...........................................................................................143
6.2.4.1 Setting the address ....................................................................................................................144
6.2.4.2 Basic settings for communication ..............................................................................................144
6.2.4.3 Supported services and objects.................................................................................................145
6.3 Communication over CANopen .................................................................................................152
6.3.1 CANopen functionality of the converter .....................................................................................153
6.3.2 Commissioning CANopen..........................................................................................................154
6.3.2.1 Setting the node ID and baud rate.............................................................................................154
6.3.2.2 Monitoring the communication and response of the inverter.....................................................155
6.3.2.3 SDO services .............................................................................................................................156
6.3.2.4 Access to SINAMICS parameters via SDO ...............................................................................159
6.3.2.5 PDO and PDO services .............................................................................................................161
6.3.2.6 Predefined connection set .........................................................................................................165
6.3.2.7 Free PDO mapping ....................................................................................................................166
6.3.3 Other CANopen functions..........................................................................................................167
6.3.3.1 Network management (NMT service) ........................................................................................167
6.3.4 Object directories .......................................................................................................................170
6.3.4.1 Free objects ...............................................................................................................................177
6.3.4.2 Objects in drive profile DSP402.................................................................................................178
6.3.5 Configuration example ...............................................................................................................179
7 Functions............................................................................................................................................... 183
7.1 Overview of the inverter functions..............................................................................................183
7.2 Inverter control ...........................................................................................................................185
7.2.1 Two-wire control: method 1........................................................................................................186
7.2.2 Two-wire control, method 2........................................................................................................187
7.2.3 Two-wire control, method 3........................................................................................................188
7.2.4 Three-wire control, method 1.....................................................................................................189
7.2.5 Three-wire control, method 2.....................................................................................................190
7.2.6 Switching over the inverter control (command data set) ...........................................................191
7.3 Command sources.....................................................................................................................194
7.4 Setpoint sources ........................................................................................................................195
7.4.1 Analog input as setpoint source.................................................................................................195
7.4.2 Motorized potentiometer as setpoint source..............................................................................196
7.4.3 Fixed speed as setpoint source .................................................................................................198
7.4.4 Running the motor in jog mode (JOG function) .........................................................................200
7.4.5 Specifying the motor speed via the fieldbus ..............................................................................201
7.5 Setpoint calculation....................................................................................................................202
7.5.1 Minimum speed and maximum speed .......................................................................................202

Table of contents
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
8 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
7.5.2 Ramp-function generator .......................................................................................................... 203
7.6 Motor control ............................................................................................................................. 204
7.6.1 V/f control .................................................................................................................................. 206
7.6.1.1 V/f control with linear and square-law characteristic................................................................. 206
7.6.1.2 Additional characteristics for the V/f control.............................................................................. 207
7.6.1.3 Optimizing with a high break loose torque and brief overload.................................................. 208
7.6.2 Vector control ............................................................................................................................ 210
7.6.2.1 Properties of vector control ....................................................................................................... 210
7.6.2.2 Commissioning vector control................................................................................................... 210
7.6.2.3 Torque control ........................................................................................................................... 211
7.7 Protection functions................................................................................................................... 212
7.7.1 Inverter temperature monitoring................................................................................................ 212
7.7.2 Motor temperature monitoring using a temperature sensor...................................................... 213
7.7.3 Protecting the motor by calculating the motor temperature...................................................... 215
7.7.4 Overcurrent protection .............................................................................................................. 215
7.7.5 Limiting the maximum DC link voltage...................................................................................... 216
7.8 Status messages....................................................................................................................... 218
7.8.1 System runtime ......................................................................................................................... 218
7.9 Application-specific functions.................................................................................................... 219
7.9.1 Unit changeover ........................................................................................................................ 219
7.9.1.1 Changing over the motor standard ........................................................................................... 220
7.9.1.2 Changing over the unit system ................................................................................................. 221
7.9.1.3 Changing over process variables for the technology controller................................................ 222
7.9.1.4 Changing of the units with STARTER....................................................................................... 223
7.9.2 Braking functions of the converter ............................................................................................ 225
7.9.2.1 Comparison of electrical braking methods................................................................................ 225
7.9.2.2 DC braking ................................................................................................................................ 228
7.9.2.3 Compound braking.................................................................................................................... 232
7.9.2.4 Dynamic braking ....................................................................................................................... 234
7.9.2.5 Braking with regenerative feedback to the line .........................................................................236
7.9.3 Automatic restart and flying restart ........................................................................................... 237
7.9.3.1 Flying restart – switching on while the motor is running ........................................................... 237
7.9.3.2 Automatic switch-on .................................................................................................................. 239
7.9.4 PID technology controller.......................................................................................................... 243
7.9.5 Load torque monitoring (system protection) ............................................................................. 244
7.9.6 Load failure monitoring via digital input..................................................................................... 246
7.9.7 Real time clock (RTC) ............................................................................................................... 247
7.9.8 Time switch (DTC) .................................................................................................................... 249
7.9.9 Temperature sensing using temperature-dependent resistors................................................. 250
7.9.10 Essential service mode ............................................................................................................. 252
7.9.11 Multi-zone control...................................................................................................................... 257
7.9.12 Cascade control ........................................................................................................................ 261
7.9.13 Bypass....................................................................................................................................... 265
7.9.14 Energy-saving mode ................................................................................................................. 269
7.9.15 Logical and arithmetic functions using function blocks ............................................................. 275
7.10 Switchover between different settings ...................................................................................... 279

Table of contents
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD 9
8 Service and maintenance ...................................................................................................................... 281
8.1 Overview of replacing converter components............................................................................281
8.2 Replacing the Control Unit.........................................................................................................282
8.2 Replacing the Power Module.....................................................................................................284
9 Alarms, faults and system messages..................................................................................................... 285
9.1 Operating states indicated on LEDs ..........................................................................................286
9.2 Alarms........................................................................................................................................288
9.3 Faults .........................................................................................................................................291
9.4 List of alarms and faults.............................................................................................................296
10 Technical data ....................................................................................................................................... 303
10.1 Technical data for CU230P-2.....................................................................................................303
10.2 Technical data, Power Modules.................................................................................................305
10.2.1 Technical data, PM230 ..............................................................................................................307
10.2.2 Technical data, PM240 ..............................................................................................................312
10.2.3 Technical data, PM250 ..............................................................................................................318
10.2.4 Technical data, PM260 ..............................................................................................................321
A Appendix................................................................................................................................................ 323
A.1 Application examples.................................................................................................................323
A.1.1 Configuring communication in STEP 7 ......................................................................................323
A.1.1.1 Task ...........................................................................................................................................323
A.1.1.2 Required components................................................................................................................323
A.1.1.3 Creating a STEP 7 project .........................................................................................................324
A.1.1.4 Configuring communications to a SIMATIC control...................................................................325
A.1.1.5 Inserting the inverter into the STEP 7 project............................................................................326
A.1.2 STEP 7 program examples........................................................................................................328
A.1.2.1 STEP 7 program example for cyclic communication .................................................................328
A.1.2.2 STEP 7 program example for acyclic communication ...............................................................330
A.1.3 Configuring slave-to-slave communication in STEP 7...............................................................334
A.2 Additional information on the inverter ........................................................................................336
A.2.1 Manuals for your inverter ...........................................................................................................336
A.3 Mistakes and improvements ......................................................................................................338
Index...................................................................................................................................................... 339

Table of contents
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
10 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD

Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD 11
Introduction 1
1.1 About this manual
Who requires the operating instructions and what for?
These operating instructions primarily address fitters, commissioning engineers and machine
operators. The operating instructions describe the devices and device components and
enable the target groups being addressed to install, connect-up, parameterize, and
commission the inverters safely and in the correct manner.
What is described in the operating instructions?
These operating instructions provide a summary of all of the information required to operate
the inverter under normal, safe conditions.
The information provided in the operating instructions has been compiled in such a way that
it is sufficient for all standard applications and enables drives to be commissioned as
efficiently as possible. Where it appears useful, additional information for entry level
personnel has been added.
The operating instructions also contain information about special applications. Since it is
assumed that readers already have a sound technical knowledge of how to configure and
parameterize these applications, the relevant information is summarized accordingly. This
relates, e.g. to operation with fieldbus systems and safety-related applications.

Introduction
1.2 Guide through this manual
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
12 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
1.2 Guide through this manual
In this manual, you will find background information on your inverter, as well as a full
description of the commissioning procedure:
%DVLFV
7KHSDUDPHWHUVIRUWKHLQYHUWHU
① Should you be unfamiliar with assigning
parameters to the inverter, background
information can be found here:
•Adapting inverter to application (Page 13)
•Frequently required parameters (Page 14)
•Extended scope for adaptation (Page 16)
&RPSRQHQWVRIWKHLQYHUWHU
HJUHDFWRUVILOWHUVRSHUDWRUSDQHO
② Information on the inverter hardware can be
found here:
•Modularity of the converter system
(Page 21)
A
ll information relating to the commissioning of
your inverter is located in the following
chapters:
③ •Procedure for installing the frequency
inverter (Page 27)
④ •Commissioning (Page 53)
•Adapting the terminal strip (Page 85)
•Configuring the fieldbus (Page 97)



,QVWDOODWLRQ
,QVWDOOLQJDQGZLULQJWKHLQYHUWHU
$GDSWDWLRQWRWKHDSSOLFDWLRQ
%DVLFFRPPLVVLRQLQJFRQILJXULQJLQWHUIDFHV
VHWWLQJIXQFWLRQV
'DWDEDFNXS
2Q3&3*RSHUDWRUSDQHORUPHPRU\FDUG
6WDUWRIFRPPLVVLRQLQJ
(QGRIFRPPLVVLRQLQJ
⑤ •Data backup and standard commissioning
(Page 78)
0DLQWHQDQFHDQGGLDJQRVWLFV
5HSODFLQJFRPSRQHQWVGLVSOD\VDODUPV
IDXOWV
⑥ Information regarding the maintenance and
diagnostics of your inverter is located in the
following chapters:
•Service and maintenance (Page 281)
•Alarms, faults and system messages
(Page 285)
7HFKQLFDOGDWD
⑦ The most important technical data for your
inverter is located in this chapter:
•Technical data (Page 303)

Introduction
1.3 Adapting inverter to application
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD 13
1.3 Adapting inverter to application
1.3.1 General basics
Inverters are used to improve and extend the starting and speed response of motors.
Adapting the inverter to the drive task
The inverter must match the motor that it is controlling and the drive task to be able to
optimally operate and protect the motor.
Although the inverter can be parameterized for very specific applications, many standard
applications function satisfactorily with just a few adaptations.
Use the factory settings (where possible)
In simple applications, the inverter already functions with its factory settings.
Only basic commissioning is required ... for simple, standard applications
Most standard applications function after just a few adaptations made during the basic
commissioning.
1.3.2 Parameter
Parameters are the interface between the firmware of the inverter and the commissioning
tool, e.g. an operator panel.
Adjustable parameters
Adjustable parameters are the "adjusting screws" with which you adapt the inverter to its
particular application. If you change the value of an adjustable parameter, then the inverter
behavior also changes.
Adjustable parameters are shown with a "p" as prefix, e.g. p1082 is the parameter for the
maximum motor speed.
Display parameters
Display parameters allow internal measured quantities of the inverter and the motor to be
read.
Display parameters are shown with a "r" as prefix, e.g. p0027 is the parameter for the
inverter output current.

Introduction
1.4 Frequently required parameters
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
14 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
1.4 Frequently required parameters
Parameters that in many cases help
Table 1- 1 How to switch to commissioning mode or restore the factory setting
Parameter Description
p0010 Commissioning parameters
0: Ready (factory setting)
1: Carry out basic commissioning
3: Perform motor commissioning
5: Technological applications and units
15: Define number of data records
30: Factory setting - initiate restore factory settings
Table 1- 2 How to determine the firmware version of the Control Unit
Parameter Description
r0018 The firmware version is displayed:
Table 1- 3 How to select the command and setpoint sources for the inverter
Parameter Description
p0015 Additional information is available in the section Selecting the interface assignments (Page 48).
Table 1- 4 This is how you parameterize the up and down ramps
Parameter Description
p1080 Minimum speed
0.00 [rpm] factory setting
p1082 Maximum speed
1500.000 [rpm] factory setting
p1120 Rampup time
10.00 [s]
p1121 Rampdown time
10.00 [s]

Introduction
1.4 Frequently required parameters
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD 15
Table 1- 5 This is how you set the closed-loop type
Parameter Description
p1300 0: V/f control with linear characteristic
1: V/f control with linear characteristic and FCC
2: V/f control with parabolic characteristic
3: V/f control with parameterizable characteristic
4: V/f control with linear characteristic and ECO
5: V/f control for drives requiring a precise frequency (textile area)
6: V/f control for drive requiring a precise frequency and FCC
7: V/f control with parabolic characteristic and ECO
19: V/f control with independent voltage setpoint
20: Speed control (without encoder)
22: Torque control (without encoder)
Table 1- 6 This is how you optimize the starting behavior of the V/f control for a high break loose torque and overload
Parameter Description
p1310 Voltage boost to compensate ohmic losses
The voltage boost is active from standstill up to the rated speed.
It is at its highest at speed 0 and continually decreases as the speed increases.
Value of the voltage boost at zero speed 0 in V:
1.732 × rated motor current (p0305) × stator resistance (r0395) × p1310 / 100%
p1311 Voltage boost when accelerating
The voltage boost is effective from standstill up to the rated speed.
It is independent of the speed and has a value in V of:
1.732 × rated motor current (p0305) × stator resistance (p0350) × p1311 / 100%
p1312 Voltage boost when starting
Setting to additionally boost the voltage when starting, however only when accelerating for the first time.

Introduction
1.5 Extended scope for adaptation
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
16 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
1.5 Extended scope for adaptation
1.5.1 BICO technology: basic principles
Principle of operation of BICO technology
Open/closed-loop control functions, communication functions as well as diagnostic and
operator functions are implemented in the inverter. Every function comprises one or several
BICO blocks that are interconnected with one another.
MOP output
speed
[rpm]
MOP enable (lower)
Inputs OutputParameter
MOP enable (higher)
p1036
r1050
p1035
MOP
Figure 1-1 Example of a BICO block: Motorized potentiometer (MOP)
Most of the BICO blocks can be parameterized. You can adapt the blocks to your application
using parameters.
You cannot change the signal interconnection within the block. However, the interconnection
between blocks can be changed by interconnecting the inputs of a block with the appropriate
outputs of another block.
The signal interconnection of the blocks is realized, contrary to electric circuitry, not using
cables, but in the software.
DI 0 ON/
OFF1
p0840
Index [0]
r0722.0
Figure 1-2 Example: Signal interconnection of two BICO blocks for digital input 0
Binectors and connectors
Connectors and binectors are used to exchange signals between the individual BICO blocks:
● Connectors are used to interconnect "analog" signals. (e.g. MOP output speed)
● Binectors are used to interconnect "digital" signals. (e.g. 'Enable MOP up' command)

Introduction
1.5 Extended scope for adaptation
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD 17
Definition of BICO technology
BICO technology represents a type of parameterization that can be used to disconnect all
internal signal interconnections between BICO blocks or establish new connections. This is
realized using Binectors and Connectors. Hence the name BICO technology. ( Binector
Connector Technology)
BICO parameters
You can use the BICO parameters to define the sources of the input signals of a block.
Using BICO parameters you define from which connectors and binectors a block reads-in its
input signals. This is how you "interconnect" the blocks stored in the devices according to
your particular application requirements. The five different BICO parameter types are shown
in the following diagram:
BICO block
%LQHFWRULQSXW %LQHFWRURXWSXW
%LQHFWRUFRQQHFWRU
RXWSXW
&RQQHFWRURXWSXW
&RQQHFWRULQSXW pxxxx
rxxxx
rxxxx
rxxxx
rxxxx
pxxxx
%,
&2
%2
&2%2
&,
Figure 1-3 BICO symbols
Binector/connector outputs (CO/BO) are parameters that combine more than one binector
output in a single word (e.g. r0052 CO/BO: status word 1). Each bit in the word represents a
digital (binary) signal. This summary reduces the number of parameters and simplifies
parameter assignment.
BICO outputs (CO, BO, or CO/BO) can be used more than once.
When do you need to use BICO technology?
BICO technology allows you to adapt the inverter to a wide range of different requirements.
This does not necessarily have to involve highly complex functions.
Example 1: Assign a different function to a digital input.
Example 2: Switch the speed setpoint from the fixed speed to the analog input.
What precautions should you take when using BICO technology?
Always apply caution when handling internal interconnections. Note which changes you
make as you go along since the process of analyzing them later can be quite difficult.
The STARTER commissioning tool offers various screens that make it much easier for you
to use BICO technology. The signals that you can interconnect are displayed in plain text,
which means that you do not need any prior knowledge of BICO technology.

Introduction
1.5 Extended scope for adaptation
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
18 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
What sources of information do you need to help you set parameters using BICO
technology?
● This manual is sufficient for simple signal interconnections, e.g. assigning a different
significance to the to digital inputs.
● The parameter list in the List Manual is sufficient for signal interconnections that go
beyond just simple ones.
● You can also refer to the function diagrams in the List Manual for complex signal
interconnections.
1.5.2 BICO technology: example
Example: Shifting a basic PLC functionality into the converter
A conveyor system is to be configured in such a way that it can only start when two signals
are present simultaneously. These could be the following signals, for example:
● The oil pump is running (the required pressure level is not reached, however, until after
five seconds)
● The protective door is closed
The task is realized by inserting free blocks between the digital input 0 and the internal
ON/OFF1 command and interconnecting them.


p20032 = 5 p20033 = 440
DI 1
DI 0
ON/
OFF1
p0840
Index [0]
r20160
p20159 = 5000 [ms]
p20162 = 430
p20161 = 5
0
T
PDE 0
p20158
Index [0]
r20031
r0722.1
r0722.0
Index [1]
Index [2]1
1Index [3]
p20030
Index [0] &
AND 0
Figure 1-4 Example: Signal interconnection for interlock
The signal of digital input 0 (DI 0) is fed through a time block (PDE 0) and is interconnected
with the input of a logic block (AND 0). The signal of digital input 1 (DI 1) is interconnected to
the second input of the logic block. The logic block output issues the ON/OFF1 command to
switch-on the motor.