Communications support modules
6-2
Hardware - SIMADYN D
Edition 12.2004
6.1 Communications support modules CS
6.1.1 Communications support module CS7
6DD1662-0AB0
The CS7 module is a
support module
for the following
communication
modules:
•
SS4
•
SS5
•
SS52
Serial data transfer protocols (DUST, USS, PROFIBUS) can be
implemented using the CS7 and the communication modules.
There is a dual port RAM on the CS7, via which the communication modules
can transfer data with the CPU modules.
•
3 plug-in recptacle for communication modules (X01 to X03)
•
Dual port RAM with 16 Kbytes per communications module
•
2
diagnostic LEDs
per plug-in compartment (H10/H11, H20/H21 ,
H30/H31) to display the status of the communications module;
the significance of the LED depends on the particular communications
module.
•
Transfers the L-bus basic sampling time (for synchronization) on the
communications module;
this function is not used for SS4, SS5, SS52 communication modules.
•
Transfers the clock interrupt from the communications module to the CS7
to set the real-time clock of a CPU module;
this function is not used for SS4, SS5, SS52 communication modules.
•
An interrupt signal on the L bus can be generated from the
communications module. However, it must be ensured that only
one
interface module executes this function (configured).
This function is not used for SS4, SS5, SS52 communication modules,.
•
Test socket pair for each plug-in receptacle (X10/X11, X20/X21,
X30/X31) to initiate a reset;
only for test purposes! not for operation!
•
L-bus
connection
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