EUCHNER MSC - 8.3. Signals; 8.3.1. Base unit MSC-CB (Figure 14)

Operating Instructions
Modular Safety Control System MSC
40
(Translation of the original operating instructions) 2121331-04-04/19
8.3. Signals
8.3.1. Base unit MSC-CB (Figure 14)
MEANING
LED
RUN
GREEN
IN FAIL
RED
EXT FAIL
RED
COM
ORANGE
ENA
BLUE
IN1–8
YELLOW
OSSD1/2
RED/GREEN
CLEAR1/2
YELLOW
STATUS1/2
YELLOW
Switch on – initial CHECK ON ON ON ON ON ON Red ON ON M-A1 detected OFF OFF OFF ON (max. 1 s) ON (max. 1 s) OFF Red OFF OFF Writing/loading the diagram to/from M-A1
OFF OFF OFF Flashes 5 times Flashes 5 times OFF Red OFF OFF
SWSD is requesting connec- tion: no internal configuration
OFF OFF OFF Flashes slowly OFF OFF Red OFF OFF
SWSD is requesting connec- tion: (extension module or node number not correct) (see System layout)
OFF OFF OFF Flashes quickly OFF OFF Red OFF OFF
SWSD is requesting connec- tion: (extension module missing or not ready), (see System layout)
Flashes quickly OFF OFF Flashes quickly OFF OFF Red OFF OFF
SWSD connected, MSC-CB stopped
OFF OFF OFF ON OFF OFF Red OFF OFF
Table 20: Indication on starting
MEANING
LED
RUN
GREEN
IN FAIL
RED
EXT FAIL
RED
COM
ORANGE
IN1–8
YELLOW
ENA
BLUE
OSSD1/2
RED/GREEN
CLEAR1/2
YELLOW
STATUS1/2
YELLOW
NORMAL OPERATION ON OFF
OFF Operation
OK
ON = MSC-CB
connected to PC
OFF = Other
OUTPUT
state
ON
MASTER_ENABLE1
and MASTER_EN-
ABLE2 active
OFF
Others
RED
If output OFF
GREEN
If output ON
ON
Waiting for
RESTART
Flashing
NO feedback
loop
OUTPUT
state
EXTERNAL FAULT DETECTED ON OFF
ON
Erroneous exter-
nal connection
detected
ON = MSC-CB
connected to PC
OFF = Other
Only the number
for the INPUT with
the erroneous con-
nection ashes
Table 21: Dynamic indication
Figure 14: MSC-CB