Communications configuring
System- and communication configuring D7-SYS - SIMADYN D 3-9
Edition 12.2003
Communications
utility
Description Communication
blocks to be
configured
Display control
Values can be transferred and
changed.
(OP2, VD1)
Function blocks for
displays: @DIS,
DIS...
Message system
Establishing alarm- and fault
systems
Special message
blocks: @MSC,
MER..., MSI...
Parameter
processing
Reading and processing
parameter values from drive
converters
@DPH, DPI
Process data
Transferring process data
(setpoints and actual values)
Send- and receive
blocks: CTV, CRV,
CCC4, CDC4
Service
Diagnostics and analysis of
CPU programs / CFC
Service- function
block: SER
Time synchronization
Time synchronization of all of
the CPUs used (e. g. in order to
compare messages with a time
stamp).
Special function
blocks: RTC...
Data trace Trace process quantities @TCP, TR...
Network
Transparent data transfer
beyond the subrack
@NMC, ...
S7 communications
Operator handling and
visualization of CPU program /
CFC
Communication
function block: S7OS
Table 3-13 Overview of the communication utilities
3.1.3 Communication block I/Os
3.1.3.1 Initialization input CTS
Communication blocks which access a data interface have a CTS input.
The following are specified at the CTS input:
1. The configured name for the communications module
Syntax for module names:
− the name is 1 - 6 characters long
− 1st character: A - Z
− 2nd - 6th characters: A - Z, 0 - 9, _
2. Connector of the data interface if the data interface is on a CS7
communications module
Syntax for the connector designation:
Communication
utilities
Data at the
initialization input
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