VIPA System 200V Series User manual

Subject to change to cater for technical progress.
Manual
VIPA System 200V
Order No.: VIPA HB97E
Rev. 01/46

VIPA System 200V Manual Chapter 1 Introduction
HB97E - Rev. 01/46 1-1
Chapter 1 Introduction
The focus of this chapter is on the introduction of the VIPA System 200V.
Various options of configuring central and decentralized systems are
presented in a summary.
The chapter also contains the general specifications of the System 200V,
i.e. dimensions, installation and environmental conditions.
The chapter ends with a description of the 7-layer model and a table of the
communication levels available in automation technology.
Below follows a description of:
• Introduction of the System 200V
• General information, i.e. installation, operational safety and
environmental conditions
• 7-layer model and communication layers
Topic Page
Chapter 1 Introduction...........................................................................1-1
Overview...............................................................................................1-2
Components.........................................................................................1-3
General description System 200V.........................................................1-4
ISO/OSI reference model .....................................................................1-5
Communication layers employed by automation systems.....................1-7
Outline
Contents

Chapter 1 Introduction VIPA System 200V Manual
1-2 HB97E - Rev. 01/46
Overview
The System 200 V is a modular automation system for centralized and
decentralized applications requiring low to medium performance
specifications. The modules are installed directly on a DIN-rail. Bus
connectors inserted into the DIN-rail provide the interconnecting bus.
The following figure illustrates the capabilities of the System 200V:
System200V
dezentral
Peripherie
Profibus DeviceNet CAN Interbus PC-CPU SPS-CPU SPS-CPU
Dig. IN / Dig. OUT / Anal. IN / Anal. OUT / FM / CP
DP 200V PC200V SPS 200V
for STEP®5 of Siemens for STEP®7 of Siemens
zentral
The System 200V

VIPA System 200V Manual Chapter 1 Introduction
HB97E - Rev. 01/46 1-3
Components
The System 200 series consists of a number of PLC-CPUs. These are
programmed in STEP5 of Siemens and they are compatible with existing
programs that are executable on the Siemens series 90U through 115U,
STEP7 of Siemens or in accordance with IEC 61131-3.
CPUs that are fitted with integrated Ethernet interfaces or additional serial
interfaces simplify the integration of the PLC into an existing network or the
connection from additional peripheral equipment.
The application program is saved in Flash RAM or an additional plug-in
memory module.
The PC based CPU 288L can be used to implement operating/monitoring-,
control applications or other file-processing applications.
The modules are programmed in C++, Pascal or in accordance with
IEC 61131-3.
The PC 288-CPU provides an active interface to the back panel bus and it
can be employed as central controller for all peripheral and function
modules of the VIPA System 200V.
With the appropriate expansion interface the System 200V can support up
to 4 rows.
In combination with a Profibus DP-Master and -Slave the PLC-CPU's or the
PC-CPU form the basis for a Profibus-DP network in accordance with DIN
19245-3. The DP network can be configured with any configuration tool.
Parameters are saved in a plug-in Flash ROM module.
The module can also be configured directly via the Profibus network by
means of the VIPA software WinNCS when this is used in conjunction with
a Profibus-Master PC plug-in module that is available from the company
Softing. Alternatively, all Profibus modules are available with a plastic FO-
connector.
Other field-bus systems can be connected by means of slaves that can
interface with Interbus, CANopen and DeviceNet.
A large number of peripheral modules are available form VIPA, for
example digital as well as analog inputs/outputs, counter functions,
displacement sensors, positioners and serial communication modules.
These peripheral modules can be used in centralized as well as
decentralized mode.
Centralized
system
Decentralized
system
Peripheral
modules

Chapter 1 Introduction VIPA System 200V Manual
1-4 HB97E - Rev. 01/46
General description System 200V
• Standard 35mm DIN-rail
• Peripheral modules with recessed labelling
• Dimensions of the basic enclosure:
1slot width: (HxWxD) in mm: 76x25,4x76 in inches: 3x1x3
2slot width: (HxWxD) in mm: 76x50,8x76 in inches: 3x2x3
Please note that you can only install header modules like the CPU, the PC
and couplers into plug-in location 1 or 1 and 2 (for double-width modules).
12
4
3
D
V
I
M
E
M
O
R
Y
K
B
D
NET
X2
34
VIPA 288-2BL10
PC 288
C
O
M
1
ON
PW
RN
BA
OFF
M
O
U
S
E
D
C
24
V
+
-
PW
ER
RD
BA
IM 253 CAN
ADR.
X5
67
VIPA 253-1CA00
DC24V
+
-1
2
01
DI 8xDC24V
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF00
X2
34
1
2
3
4
5
6
7
8
9
I0
DI 8xDC24V
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF00
X2
34
1
2
3
4
5
6
7
8
9
I0
DI 8xDC24V
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF00
X2
34
1
2
3
4
5
6
7
8
9
I0
DI 8xDC24V
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF00
X2
34
1
2
3
4
5
6
7
8
9
I0
DI 8xDC24V
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF00
X2
34
1
2
3
4
5
6
7
8
9
I0
DI 8xDC24V
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF00
X2
34
1
2
3
4
5
6
7
8
9
I0
DI 8xDC24V
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF00
X2
34
1
2
3
4
5
6
7
8
9
I0
DI 8xDC24V
SM 221
.0
.1
.2
.3
.4
.5
.6
.7
VIPA 221-1BF00
X2
34
1
2
3
4
5
6
7
8
9
I0
• Wiring by means of spring pressure connections on the front, gauge
0,8...2,5mm2or 1,5 mm2(18-pole plug)
• Complete isolation of the wiring when modules are exchanged
• Every module is isolated from the back panel bus
• EMC resistance ESD/Burst in accordance with IEC 801-2 / IEC 801-4
through to level 3: 8kV/2kV
• Shock resistance in accordance with IEC 68-2-6 / IEC 68-2-27 (1G/12G)
• Operating temperature: 0 ... +55°C
• Storage temperature: -40 ... +85°C
• Relative humidity: 95% without condensation
• Ventilation by means of a fan is not required
[1] Header modules like
PC, CPU, bus
couplers
[2] Double width header
module or
peripheral module
[3] Peripheral module
[4] Guide rails
Structure/
dimensions
Installation
Reliability
Environmental
conditions

VIPA System 200V Manual Chapter 1 Introduction
HB97E - Rev. 01/46 1-5
ISO/OSI reference model
The ISO/OSI reference model is based on a proposal that was developed
by the International Standards Organization (ISO). This represents the first
step towards an international standard for the different protocols. It is
referred to as the ISO-OSI model. OSI is the abbreviation for Open
Systems Interconnection, the communication between open systems. The
ISO/OSI reference model does not represent a network architecture as it
does not define the services and protocols used by the different layers. The
model simply specifies the tasks that the different layers must perform.
All current communication systems are based on the ISO/OSI reference
model (OSI: Open System Interconnection) which is defined by the ISO
7498 standard. The reference model structures communication systems
into 7 layers that cover different communication tasks. In this manner the
complexity of the communication between different systems is divided
amongst different layers to simplify the task.
The following layers have been defined:
Layer Function
Layer 7 Application Layer
Layer 6 Presentation Layer
Layer 5 Session Layer
Layer 4 Transport Layer
Layer 3 Network Layer
Layer 2 Data Link Layer
Layer 1 Physical Layer
Depending on the complexity and the requirements of the communication
mechanisms a communication system may use a subset of these layers.
Interbus-S and Profibus for instance only use layers 1 and 2. For this
reason the following paragraphs will be limited to a short description of
these layers.
Outline

Chapter 1 Introduction VIPA System 200V Manual
1-6 HB97E - Rev. 01/46
Layer 1 Bit-communications layer (physical layer)
The bit-communications layer (physical layer) is concerned with the
transfer of data bits via the communication channel. This layer is therefore
responsible for the mechanical, electrical and the procedural interfaces and
the physical communication medium located below the bit-communication
layer:
• Which voltage represents a logical 0 or a 1.
• The minimum time that the voltage be present to be recognized as a bit.
• The pin assignment of the respective interface.
Layer 2 Security layer (data link layer)
This layer performs error-checking functions for bit strings transferred
between two communicating partners. This includes the recognition and
correction or flagging of communication errors and flow control functions.
The security layer (data link layer) converts raw communication data into a
sequence of frames. This is where frame boundaries are inserted on the
transmitting side and where the receiving side detects them. These
boundaries consist of special bit patterns that are inserted at the beginning
and at the end of every frame. The security layer often also incorporates
flow control and error detection functions.
Layer 3 to 7
In accordance with Interbus-S and Profibus these layers have not been
implemented on the bus couplers supplied by VIPA.
Layers

VIPA System 200V Manual Chapter 1 Introduction
HB97E - Rev. 01/46 1-7
Communication layers employed by automation systems
The flow of information in a company presents a vast spectrum of
requirements that must be met by the communication systems. Depending
on the area of business the bus system or LAN must support a different
number of users, different volumes of data must be transferred and the
intervals between transfers may vary, etc.
It is for this reason that different bus systems are employed depending on
the respective task. These may be subdivided into different classes. The
following model depicts the relationship between the different bus systems
and the hierarchical structures of a company:
Plant
computer
PPS CAD
Plant-oriented
control computer
manufacturing, stock,
production data
PPS CAD
Machine and control
computer
Peripheral systems. machines, CNC, NC,
controllers (PLC), measuring systems
Peripheral components
sensor, actuator, regulator, multiplexer, operating consoles
Operational layer
Management layer
System layer
Process layer
Sensor / actuator
layer
Factory bus
MAP Broadband
Cellular bus
MAP Carrierband
Field bus
Sensor / actuator
bus
TCP/IP
H1
It is common that very large volumes of data are transferred on the
operational level that are not subject to timing restrictions. However, on the
lowest level, i.e. the sensor / actuator level, an efficient transfer of rather
small data volumes is essential. In addition, the bus system must often
meet real-time requirements on the sensor / actuator level.
It is for this reason that Interbus-S is most suitable as the sensor / actuator
bus for the cyclic transfer of low volume data packets at predefined
intervals.

VIPA System 200V Manual Chapter 2 Profibus-DP
HB97E - Rev. 01/46 2-1
Chapter 2 Profibus-DP
This chapter contains a description of Profibus applications of the System
200V. A short introduction and presentation of the system is followed by
the project design and configuration of the Profibus master and slave
modules that are available from VIPA. The chapter concludes with a
number of communication examples and the technical data.
Below follows a description of:
• System overview of the Profibus modules that are available from VIPA
• The principles of Profibus DP
• The construction project design of the Profibus masters IM 208 DP
• The construction project design of the Profibus slaves IM 253 DP
• Sample projects
• Technical data
Topic Page
Chapter 2 Profibus-DP...........................................................................2-1
System overview...................................................................................2-2
Principles..............................................................................................2-4
Construction of the IM 208 - DP master with RS485.............................2-9
Configuration of IM 208 - DP master with RS485................................2-12
Construction of the IM 208 - DP master with a FO link .......................2-16
Configuration of IM 208 - DP-Master with FO-link...............................2-19
Construction IM 253 - DP-Slave..........................................................2-22
Construction IM 253 DP, DO 24xDC24V ............................................2-26
Configuration IM 253 - DP-Slave ........................................................2-30
Diagnostic functions of the Profibus-DP slaves...................................2-32
Installation guidelines..........................................................................2-38
Commissioning...................................................................................2-48
Using the diagnostic LED’s.................................................................2-50
Example - System 200V with Profibus under WinNCS .......................2-51
Technical data....................................................................................2-54
Overview
Contents

Chapter 2 Profibus-DP VIPA System 200V Manual
2-2 HB97E - Rev. 01/46
System overview
All System-200V Profibus modules are available with an RS485 as well as
a FO connector. The following groups of Profibus modules are available at
present:
• Profibus-DP master
• Profibus-DP slave with address selector
• Profibus-DP slave with LC display for the selected address and
diagnostics
• Profibus-DP slave combination module
• CPU 21x DP - CPU 21x with integrated Profibus-DP slave for the
Siemens S7 (refer to manual HB103).
• CPU 24x DP - CPU 24x with integrated Profibus-DP slave for the
Siemens S5 (refer to manual HB99).
• Profibus-DP master, class 1
• Project design using WinNCS of VIPA
• Project design by means of COM Profibus of Siemens is possible
• Project-related data is saved in the internal Flash-ROM or stored on a
Flash-Memory card.
PW
ER
RN
DE
IF
ST
RN
X2
34
VIPA 208-1DP01
IM 208 DP
MR M
M
C
PW
ER
RN
DE
IF
ST
RN
X2
34
VIPA 208-2DP10
IM 208 DPO
Type Order number Description
IM 208 DP VIPA 208-1DP01 Profibus-DP master with RS485
IM 208 DPO VIPA 208-2DP10 Profibus-DP master with FO
connector
Profibus-DP
master
Ordering data
DP master

VIPA System 200V Manual Chapter 2 Profibus-DP
HB97E - Rev. 01/46 2-3
• Version with RS485 interface or fiber optic connectors
• Online diagnostic protocol with time stamp
• DP slaves with an LCD are under development
Profibus-DP slave -
combination modules
PW
ER
RD
DE
IM 253 DP
ADR.
X2
34
VIPA 253-2DP20
DC24V
+
-1
2
99
PW
ER
DO 24xDC24V
Type Order number Description
IM 253 DP VIPA 253-1DP00 Profibus-DP slave
with address selector
IM 253 DPO VIPA 253-1DP10 Profibus-DP slave
with address selector and FO
connector
IM 253 DP
DO 24xDC24V VIPA 253-2DP20 Profibus-DP slave with address selector and 24-port DO
Profibus-DP
slaves
Ordering data
DP slaves

Chapter 2 Profibus-DP VIPA System 200V Manual
2-4 HB97E - Rev. 01/46
Principles
Profibus is an international standard applicable to an open fieldbus for
building, manufacturing and process automation. Profibus defines the
technical and functional characteristics of a serial fieldbus system that can
be used to create a low (sensor-/actuator level) or medium (process level)
performance network of programmable logic controllers.
Profibus comprises an assortment of compatible versions. The following
details refer to Profibus-DP.
Profibus-DP is a special protocol intended mainly for automation tasks in a
manufacturing environment. DP is very fast, offers Plug and Play facilities
and provides a cost-effective alternative to a parallel bus between PLC’s
and decentralised peripherals. Profibus-DP was designed for high-speed
data communications on the sensor-actuator level.
The data transfer referred to as "Data Exchange" is cyclical. The master
reads input values from the slaves and writes output information to the
slave in one single bus cycle.
Profibus distinguishes between active stations (master) and passive
stations (slave).
Master devices
Master devices control the communications on the bus. It is also possible
to operate with multiple masters on a Profibus. This is referred to as multi-
master operation. The protocol on the bus establishes a logical Tokenring
between intelligent devices connected to the bus. Only the master that has
the token can communicate with its slaves.
A master (IM 208 DP or IM 208 DPO) is able to issue unsolicited messages
if it is in possession of the access key (token). The Profibus protocol also
refers to masters as active participants.
Slave-devices
A Profibus slave acquires data from peripheral equipment, sensors, drives
and transducers. The VIPA Profibus couplers (IM 253 DP, IM 253 DPO and
the CPU 24x DP, CPU 21x DP) are modular slave devices that transfer
data between the System 200V periphery and the high-level master.
In accordance with the Profibus-standards these devices have no
bus-access rights. They are only allowed to acknowledge messages or
return messages to a master when this has issued a request. Slaves are
also referred to as passive participants.
General
Profibus-DP
Master and slaves

VIPA System 200V Manual Chapter 2 Profibus-DP
HB97E - Rev. 01/46 2-5
The bus transfer protocol provides two alternatives for the access to the
bus:
Master communications is also referred to as token-passing procedure.
The token-passing procedure guarantees the accessibility of the bus. The
permission to access the bus is transferred between individual devices in
the form of a "token". The token is a special message that is transferred via
the bus.
When a master is in possession of the token it has the permission to
access the bus and it can communicate with any active or passive device.
The token retention time is defined when the system is being configured.
Once the token retention time has expired the token is passed to the
following master which now has permission to access the bus and may
therefore communicate with any other device.
Data communications between a master and the slaves assigned to it is
conducted automatically in a predefined and repetitive cycle by the master.
You assign a slave to a specific master when you define the project. You
can also define which DP-slaves are included and which are excluded from
the cyclic exchange of data.
Data communications between master and slave can be divided into a
definition, a configuration and a data transfer phase. Before a DP slave is
included in the data transfer phase the master checks die whether the
defined configuration corresponds with the actual configuration. This check
is performed during the definition and configuration phase. The verification
includes the device type, format and length information as well as the
number of inputs and outputs. In this way a reliable protection from
configuration errors is achieved.
The master handles the transfer of application related data independently
and automatically. You can, however, also send new configuration settings
to a bus couplers.
When the status of the master is DE "Data Exchange" it transmits a new
series of output data to the slave and the reply received from the slave
contains the latest input data.
Communications
Master with
master
Master-slave
procedure

Chapter 2 Profibus-DP VIPA System 200V Manual
2-6 HB97E - Rev. 01/46
Data is transferred cyclically between the DP master and the DP slave by
means of transmit and receive buffers.
DP-Master
Input Output
DP-Slave with I/O-Modules
I/O ModulesCommunication
Processor
receive buffer
Profibus DP
V-Bus
send buffer
V-Bus cycleDP cycle
PE
PA
PE: process image of the inputs
PA: process image of the outputs
A V-bus cycle (V-Bus=VIPA back-panel bus) saved all the input data from
the modules in the PE and all the output data from the PA in the output
modules. When the data has been saved the PE is transferred into the
”send buffer”and the contents of the ”receive buffers”is transferred into
PA.
During a Profibus cycle the master addresses all its slaves according to the
sequence defined in the data exchange. The data exchange reads and
writes data from/into the memory-areas assigned the Profibus.
The contents of the Profibus input area is entered into the ”receive buffer”
and the data in the ”send buffer”is transferred into the Profibus output-
area.
The exchange of data between DP master and DP slave is completed
cyclically and it is independent from the V-bus cycle.
Data transfer
operation
V-bus cycle
DP cycle

VIPA System 200V Manual Chapter 2 Profibus-DP
HB97E - Rev. 01/46 2-7
To ensure that the data-transfer is synchronized the V-bus cycle-time
should always be less than or equal to the DP cycle-time.
The parameter is located in the GSD-file.
min_slave_interval = 3ms.
In an average system it is guaranteed that the Profibus-data on the V-bus
is updated after a max. time of 3ms. You can therefore exchange data with
the slave at intervals of 3ms.
Note!
When the V-bus cycle time exceeds the DP-cycle time the RUN-LED on
the VIPA-Profibus slave is extinguished.
This function is supported as of hardware revision level 6.
The VIPA Profibus-DP masters provide ”word-consistency”!
Consistent data is the term used for data that belongs together by virtue of
its contents. This is the high and the low byte of an analogue value (word
consistency) as well as the control and status byte along with the
respective parameter word for access to the registers.
The data consistency as applicable to the interaction between the periphery
and the controller is only guaranteed for 1 byte. This means that input and
output of the bits of a byte occurs together. This byte consistency suffices
when digital signals are being processed.
Where the data length exceeds a byte, for example in analogue values, the
data consistency must be extended. Profibus guarantees that the
consistency will cater for the required length.
• A max. of 125 DP-slaves are supported by one DP-master - a max. of
32 slaves/segment
• You can only install or remove peripheral modules when you have
turned the power off!
• The max. distance for RS485 cables between two stations is 1200m
(depending on the Baud rate)
• The max. distance for FO based connections between two stations is
50m
• The maximum Baud rate is 12 MBaud
• The Profibus-address of operational modules must never be changed.
Profibus-DP provides an extensive set of diagnostic functions for quick
location of faults. Diagnostic messages are transferred via the bus and
collected by the master.
V-bus cycle ≤
≤≤
≤DP-
cycle
Data consistency
Restrictions
Diagnostics

Chapter 2 Profibus-DP VIPA System 200V Manual
2-8 HB97E - Rev. 01/46
Profibus employs Screened twisted pair cable on the basis of the RS485
interfaces or a duplex fiber optic link (FO). The data transfer rate of both
systems is limited to a max. of 12MBaud.
For details please refer to the "Installation guidelines".
The RS485 interface uses differential voltages. It is for this reason that this
interface is less susceptible to interference than a plain voltage or current
based interface. The network may be configured as a daisy-chain or in a
tree configuration. Your VIPA Profibus coupler carries a 9-pin socket. This
socket is used to connect the Profibus coupler to the Profibus network as a
slave.
Due to the bus structure of RS-485 any station may be connected or
disconnected without interruptions and a system can be commissioned in
different stages. Extensions to the system do not affect stations that have
already been commissioned. Any failures of stations or new devices are
detected automatically.
The fiber optic system employs pulses of monochromatic light. The fiber
optic cable can be used in the same manner as any normal cable and it is
not susceptible to external electrical interference. Fiber optic systems have
a linear structure. Each device requires two lines, a transmit and a receive
line. It is not necessary to provide a terminator at the last device.
Due to the linear structure of the FO data link it is not possible to install or
remove stations without interruption to data communications.
Every device on the Profibus is identified by an address. This address must
be unique in each bus system and may be a number anywhere between 0
and 125. The address of the VIPA Profibus coupler is set by the
addressing switch located on the front of the module.
You must assign the address to the VIPA Profibus master during the
configuration phase.
For configuration purposes you will receive a GSD-file containing the
performance specifications of VIPA Profibus couplers.
The structure, contents and coding of the GSD file are defined by the
Profibus user organization (PNO) and are available from this organization.
The GSD-file for VIPA Profibus-DP slaves is named: DP2V0550.GSD
Install this GSD file into your configuration tool. You can obtain more
detailed information on the installation of GSD files from the manual
supplied with your configuration tool.
Data
communications
medium
Electrical system
based on RS485
Optical system
using fiber optic
data links
Addressing
GSD-file

VIPA System 200V Manual Chapter 2 Profibus-DP
HB97E - Rev. 01/46 2-9
Construction of the IM 208 - DP master with RS485
• Class 1 Profibus-DP master
• 125 DP slaves can be connected to a DP master.
• Inserts the data areas of the slaves located on the V-bus into the
addressing area of the CPU 24x
• Project configuration by means of VIPAs WinNCS or Siemens
ComProfibus
• Diagnostic facilities
The module carries a number of LED’s that are available for diagnostic
purposes on the bus and for displaying the local status. The following table
explains the different colors of the diagnostic LED’s.
Designation Color Explanation
PW yellow Indicates that the supply voltage is available on the
back panel bus.
ER red On when a slave has failed (ERROR).
RN green If RN is the only LED that is on, then the master
status is RUN. The slaves are being accessed and
the outputs are 0 ("clear" state).
If both RN+DE are on the status of the Master is
"operate". It is communicating with the slaves.
DE yellow DE (Data exchange) indicates Profibus
communication activity.
IF red Initialization error for bad configurations.
[1] Operating mode switch
RUN/STOP
[2] LED status indicators
[3] Slot for memory card
[4] RS485 interface
Properties
1
4
PW
ER
RN
DE
IF
ST
RN
X2
34
VIPA 208-1DP01
IM 208 DP
MR M
M
C
2
3
Front view
IM 208 DP
Components
LED’s

Chapter 2 Profibus-DP VIPA System 200V Manual
2-10 HB97E - Rev. 01/46
The VIPA Profibus master is connected to your Profibus network via the 9-
pin socket.
The following figure shows the assignment of the individual pins
Pin Assignment
1 shield
2n.c.
3 RxD/TxD-P
4 CNTR-P
5GND
6 5V (70mA max.)
7n.c.
8 RxD/TxD-N
9n.c.
The Profibus master receives power via the back panel bus.
The operating mode selector is used to select operating modes STOP (ST)
or RUN (RN).
The master will change to RUN mode if the operating mode selector is set
to RN and parameters are acceptable.
When the operating mode switch is set to ST the master will change to
STOP mode. In this mode all communications are terminated and the
outputs of the allocated slaves will be set to 0 if the parameters are valid
and the master issues an alarm to the controlling system.
The chapter on ”Operating modes”contains a detailed explanation of the
change between RUN and STOP mode.
In position MR you can activate a download-mode for the transfer of your
project data. For details, please refer to the section on "Transferring a
project" below.
The VIPA MMC memory card is employed as an external storage medium.
You can transfer your project-related data from the internal Flash-ROM into
this memory card by means of the command "copy RAM to ROM" of the
Siemens Hardware Manager.
The MMC memory card is available from VIPA with the order no.:
VIPA 953-0KX00.
You initiate the transfer of project data from the MMC into the master by
setting the operating mode selector into position MR. For details, please
refer to the section on "Transferring a project" below.
5
4
3
2
1
9
8
7
6
RS485 interface
Power supply
Operating mode
selector
MMC as external
storage medium

VIPA System 200V Manual Chapter 2 Profibus-DP
HB97E - Rev. 01/46 2-11
Power On
The IM 208 interface is powered on. The configuration data is read from
the memory card, the validity is verified and the data is stored in the
internal RAM of the IM 208.
The master will change to RUN-mode automatically when the operating
mode switch is in position RUN and the parameters are valid. In run-mode
the LED’s RN, DE and ER are turned on. The ER-LED is extinguished
when all the configured slaves are available via data exchange.
STOP
In STOP mode the outputs of the allocated slaves will be set to 0 if the
parameters are valid. Although no communications will take place, the
master will remain active on the bus using current bus parameters and
occupying the allocated bus address. To release the address the Profibus
plug must be removed from the IM 208 interface.
STOP
→ RUN
In the RN position the master will re-boot: configuration data and bus
parameters are retrieved from the memory card and saved into the internal
RAM of the IM 208.
Next, the communication link to the slaves is established. At this time only
the RN-LED will be on. Once communications has been established by
means of valid bus parameters the IM 208 will change to RUN mode. The
master interface displays this status by means of the LED’s RN and DE.
The IM 208 will remain in the STOP mode and display a configuration error
by means of the IF-LED if the parameters are bad or if the memory card
was not inserted. The interface will then be active on the bus using the
following default bus parameters:
Default-Bus-Parameter: address:1, communication rate:1,5 MBaud.
RUN
In RUN mode the RN- and DE-LED’s are on. In this condition data
transfers can take place. If an error should occur, e.g. slave defective, the
IM 208 will indicate the event by means of the ER-LED and it will issue an
alarm to the system on the next higher level.
RUN
→ STOP
The master is placed in STOP mode. It terminates communications and all
outputs are set to 0. An alarm is issued to the system on the next higher
level.
Operating modes

Chapter 2 Profibus-DP VIPA System 200V Manual
2-12 HB97E - Rev. 01/46
Configuration of IM 208 - DP master with RS485
You can use the function ”Profibus”of the VIPA configuration tool WinNCS
to configure the IM 208 master and the respective slaves.
The module transfer functions available in WinNCS provide many options
for the data transfer to your master module.
IM 208 masters behave similar to IM 308-C and they can be configured as
IM 308-C modules in the Siemens "Com Profibus" tool.
The IM 208 master modules can be used to connect up to 125 Profibus DP
slaves to a System 200V CPU. The master communicates with the slaves
and maps the data areas into the memory map of the CPU via the back
panel bus. Input and output data are limited to a maximum of 256 byte
each.
The CPU retrieves the I/O mapping data from all connected masters when
the CPU is re-started.
Alarm processing is active, i.e. an error message from the IM 208 can
STOP the CPU
The ER-LED is turned on if a slave should fail. If the delayed
acknowledgment (QVZ) parameter was configured for a slave, a dropped
acknowledgment will STOP the CPU. If QVZ has not been configured the
CPU will continue running
When the BASP signal is available from the CPU the IM 208 sets the
outputs of the connected periphery to zero.
Note!
Refer to the documentation for your CPU for details on the interfacing
requirements of the CPU.
General
System 200V CPU
applications