Operating Instructions MODULAR SAFETY CONTROL SYSTEM MSC
MSC FIELDBUS MODULES CE-...
20
(Translation of the original operating instructions) 2121341-06-11/20
5.12. Module Modbus RTU CE-MR
DB9 female plug
(view on front)
PIN
DIRECTION
SIGNAL
DESCRIPTION
1
-
GND
Power supply 0 V DC
2
OUT
5V
Power supply 5 V DC
3
IN
PMC
For RS-232 connect to pin 2.
Not connected for RS-485.
4
-
-
5
Bidirectional
B-line
RS-485 B-line
6
-
-
-
7
IN
Rx
Receive RS-232 data
8
OUT
Tx
Send RS-232 data
9
Bidirectional
A-line
RS-485 A-line
Housing
-
PE
Earth conductor
COM LED
STATUS
INDICATION
DESCRIPTION
OFF
No power or no data exchange
YELLOW
Frame reception or transmission
Data exchange
RED
Fatal Error
One or more unrecoverable errors
detected
STS LED
STATUS
INDICATION
DESCRIPTION
OFF
Initializing or no power
GREEN
Module initialized
RED
Fatal Error
One or more unrecoverable errors
detected
RED one flash
Communication fault or configura-
tion error
Ì
Invalid setting in network configura-
tion or
Ì
Setting in the network configuration
has been changed during operation
RED two flashes
Application diagnostics available
5.13. Module PROFINET CE-US
CONNECT LED
STATUS
INDICATION
DESCRIPTION
GREEN
USB connected
Module connected to PC via USB
OFF
USB not connected
Module not connected