Communication modules
6.1 CP50M1 communication module
SIMATIC TDC hardware
128
System Manual, 08/2017, A5E01114865-AL
6.1.8
Technical specifications/performance features
Article number
CP50M1 communication module
6DD1661-0AD1
Memory
Communication memory
SRAM, 1 MB
Buffer memory module
SDRAM, 8 MB
Note:
Of several CP50M1 that are inserted in a rack, only the CP at the extreme left has the communication
memory function. All others may only be configured as pure communication modules (2 PROFIBUS
DP/MPI interfaces).
VMEbus configuration memory
NOR Flash, 512 KB
Interfaces
2 PROFIBUS interfaces (X1 and X2) – X1 can be configured as DP or MPI
Note
The two interfaces X1 and X2 are to be considered as one unit when assigning the DP
address (addresses in the shared address space may be assigned only once, i.e. if the
entire address space is is used for one interface, the second interface can no longer be
used).
PROFIBUS DP interfaces
•
Master or slave interface for PROFIBUS DP,
including “Shared Input”, SYNC, and FREEZE
functions
•
Multimastering supported
•
Transmission rates
•
Frame length per slave
•
Status display via LEDs
RS 485 format
•
9.6 kbps to 12 Mbps
•
max. 244 bytes
•
See Status and fault displays (Page 124)
MPI interfaces
•
Status display via LEDs
•
PG/OP services can be used
•
See Status and fault displays (Page 124)
•
E.g. coupling with the configuration station
(CFC in test mode)
Power supply to Optical Link Modules (OLM) with
electrical isolation
See Pin assignments (Page 127)
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