
MCS-08 Technical Manual, Rev. 1.04 December 2012 Page 41 of 52
ST Status LED
No power or not initialized
No power or profibus module is in initializing
Initialized, diagnostic event(s) present
There is an exception error
OP Operation Mode LED
PROFIBUS configuration error
Check GSD file configuration.
10.2. Electrical Connections
Profibus and RS-232C connections are shown in figure 10.2.
PROFIBUS Connector (DB9F)
Positive RxD / TxD, RS-485 level
+5V termination power (isolated)
Negative RxD / TxD, RS-485 level
Figure 10.2 – MCS-08PB interface connections
RS-232C Serial Interface
1 start bit and 1stop bit
Profibus-DP Interface
Interfacing with PC or PLC
Automatically detected and supported baud rates are 9.6 kbps, 19.2 kbps, 45.45
kbps, 93.75 kbps, 187.5 kbps, 500 kbps, 1.5Mbps, 3 Mbps, 6 Mbps and 12
Mbps. No „baud rate‟ instance exists.
Warning: Connect the shield to the reference ground or shield pin of the power connector.
Warning: Disconnect xFace PC software for Profibus interfacing.
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