
Table 19: Technical Data of the Interfaces
Parameter
Value
Serial interface standard
EIA RS-232 or EIA RS-485
Interface connector
Pluggable 9-pin terminal block
Potential separation
Yes, from the CPU, 500 VDC
Serial interface parameters
Protocol interface configurable via PLC config-
uration. Preset configuration for debugging the
terminal interface.
Modes of operation
Data exchange
Protocols supported
RCOM/RCOM+
The pin assignment of the serial interfaces RCOM and OPERATOR is identical to the serial
interface COM1 of the processor modules PM57x, PM58x and PM59x.
1.3.2.5
Ordering Data
Part No.
Description
Product Life Cycle Phase *)
1SAP 170 401 R0201 CM574-RCOM, communication
module, 2x serial RS-232/485,
RCOM/RCOM+ protocol
Active
*) For planning and commissioning of new installations use modules in Active
status only.
Device Specifications
Communication Modules (AC500 Standard) > CM574-RCOM for RCOM/RCOM+
2019/04/17
3ADR010121, 13, en_US
99