WEST POS-124-U-PFN Guide

Technical Documentation
POS-124-U-PFN
POS-124-U-ETC
POS-124-U-PDP
1
Two axes positioning and synchronization control module with
integrated fieldbus interface and SSI as well as analog sensor interface
1
The picture shows the hardware of the ethernet based variations, the Profibus device contains a 9 pin D-SUB socket

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CONTENTS
1General Information...................................................................................................................................................5
1.1 Order number ....................................................................................................................................................5
1.2 Scope of supply.................................................................................................................................................5
1.3 Accessories .......................................................................................................................................................5
1.4 Symbols used....................................................................................................................................................6
1.5 Legal notice .......................................................................................................................................................6
1.6 Safety instructions .............................................................................................................................................7
2Characteristics...........................................................................................................................................................8
2.1 Device description .............................................................................................................................................9
3Use and application.................................................................................................................................................10
3.1 Installation instructions ....................................................................................................................................10
3.2 Typical system structure..................................................................................................................................11
3.3 Method of operation.........................................................................................................................................11
3.4 Commissioning................................................................................................................................................13
4Technical description............................................................................................................................................... 14
4.1 Input and output signals...................................................................................................................................14
4.2 LED definitions.................................................................................................................................................15
First section with USB.............................................................................................................................15
Second section (fieldbus)........................................................................................................................15
4.3 Block Diagram .................................................................................................................................................16
4.4 Typical wiring...................................................................................................................................................17
4.5 Connection examples......................................................................................................................................17
4.6 Technical data .................................................................................................................................................18
Common .................................................................................................................................................18
Fieldbus ..................................................................................................................................................19
5Parameters..............................................................................................................................................................20
5.1 Parameter overview.........................................................................................................................................20
5.2 Basic parameters.............................................................................................................................................23
MODE (Switching between parameter groups).......................................................................................23
5.3 System parameters..........................................................................................................................................23
LG (Changing the language for the help texts) .......................................................................................23
PDPADR (Profibus address)...................................................................................................................23
PASSFB (Password fieldbus) .................................................................................................................23
SENS (Malfunction monitoring)...............................................................................................................24
SYS_RANGE (Working stroke)...............................................................................................................24
HAND (Manual speed)............................................................................................................................24
POSWIN (In-position monitoring range)..................................................................................................25
EOUT (Output signal: READY = OFF)....................................................................................................25
5.4 Input signal adaption........................................................................................................................................26
SELECT:X (Type of position sensors).....................................................................................................26
SSI:RES (Signal resolution)....................................................................................................................26
SSI:BITS (Number of bits).......................................................................................................................26
SSI:CODE (Signal coding)......................................................................................................................27
SSI:ERRBIT (Position of the “out of range” bit).......................................................................................27
SSI:POL (Direction of the sensor signal).................................................................................................27
SIGNAL (Type of input)...........................................................................................................................27
N_RANGE (Nominal range of the sensor) ..............................................................................................28
OFFSET (Sensor zero correction) ..........................................................................................................28
5.5 Positioning controller .......................................................................................................................................29
VMODE (Selecting the control mode).....................................................................................................29

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VRAMP (Ramp time for external speed demand)...................................................................................29
ACCEL (Acceleration in NC mode).........................................................................................................29
VMAX (Maximum speed in NC Mode) ....................................................................................................30
V0(Loop gain setting)..............................................................................................................................30
A (Acceleration ramp time)......................................................................................................................31
D (Deceleration / braking distance).........................................................................................................31
PT1 (Timing of the controller)..................................................................................................................32
CTRL (Deceleration characteristics) .......................................................................................................32
5.6 Synchronous controller....................................................................................................................................33
SYNCMODE (Operation mode synchronous run)...................................................................................33
SYNCWIN (synchronization monitoring range).......................................................................................34
SYNC (Control parameters)....................................................................................................................34
5.7 Output signal adaption.....................................................................................................................................35
MIN (Deadband compensation)..............................................................................................................35
MAX (Output scaling)..............................................................................................................................35
TRIGGER (Response threshold for the MIN parameter) ........................................................................35
OFFSET (Zero correction) ......................................................................................................................36
SIGNAL:U (Type and polarity of the output signal).................................................................................36
5.8 Drift compensation / high accurate positioning................................................................................................37
DC:AV (Activation value).........................................................................................................................38
DC:DV (Deactivation value)....................................................................................................................38
DC:CR (Integrator limitation)...................................................................................................................38
DC:I (Integration time).............................................................................................................................38
5.9 Special commands ..........................................................................................................................................39
SELPLUS (additionally transmitted bus signals).....................................................................................39
ETC_LOOP (Transfer rate).....................................................................................................................39
DIAG (Query of the switch-off causes)....................................................................................................39
AINMODE (Input scaling mode)..............................................................................................................40
AIN (Analogue input scaling)...................................................................................................................40
5.10 PROCESS DATA (Monitoring).........................................................................................................................42
5.11 Status information............................................................................................................................................42
6Common device functions ....................................................................................................................................... 43
6.1 Failure monitoring............................................................................................................................................43
6.2 Troubleshooting...............................................................................................................................................43
6.3 Remote control mode ......................................................................................................................................45
7EtherCAT IO interface ............................................................................................................................................. 46
7.1 ETHERCAT CoE .............................................................................................................................................46
7.2 EtherCAT installation.......................................................................................................................................46
7.3 EtherCAT access handling ..............................................................................................................................46
7.4 EtherCAT device profiles (ESI)........................................................................................................................47
7.5 Standard Objects.............................................................................................................................................48
8Profinet IO RT interface........................................................................................................................................... 49
8.1 PROFINET IO function ....................................................................................................................................49
8.2 Profinet Installation guideline...........................................................................................................................49
8.3 PROFINET address assignment......................................................................................................................49
8.4 Device data file (GSDML)................................................................................................................................50
9Profibus DP interface............................................................................................................................................... 50
9.1 Profibus function..............................................................................................................................................50
9.2 Installation guideline........................................................................................................................................50
9.3 Device data file (GSD).....................................................................................................................................50
10 Process data............................................................................................................................................................ 51
10.1 Data sent to the device....................................................................................................................................51
Description of the bus signals.................................................................................................................52

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Coding of the control bits ........................................................................................................................54
10.2 Data sent to Fieldbus.......................................................................................................................................56
Description of the bus signals .................................................................................................................57
Coding of the status bits..........................................................................................................................58
11 Parameterizing via Fieldbus .................................................................................................................................... 60
11.1 Procedure........................................................................................................................................................60
11.2 Parameter List .................................................................................................................................................61
12 Profinet –Driver Blocks for Simatic –Controllers.................................................................................................... 62
12.1 TIA –Portal......................................................................................................................................................62
12.2 STEP7 –classic...............................................................................................................................................65
12.3 Common Properties.........................................................................................................................................68
13 Notes.......................................................................................................................................................................70

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1 General Information
1.1 Order number
Two axes positioning controller with programmable output (±10 V differential voltage or 4… 20 mA), ana-
logue or SSI sensor interface and optional synchronous control.
POS-124-U-PFN Control via Profinet - IO interface
POS-124-U-ETC Control via EtherCAT interface
POS-124-U-PDP Control via Profibus DP interface
1.2 Scope of supply
The scope of supply includes the module including the terminal blocks which are a part of the housing.
The Profibus plug, interface cables and further parts which may be required should be ordered separately.
This documentation can be downloaded as a PDF file from www.w-e-st.de.
1.3 Accessories
WPC-300 Start-Up-Tool (download: www.w-e-st.de/produkte/software)
Any standard cable with USB-A and USB-B connector can be used as the programming cable.