Table 16: Description of LEDs for I/O interface
Description
Status
LED
Module not powered
Off
r
RESET mode
If LED e is simultaneously illumin-
ated in red: invalid firmware ver-
sion
single flash in green
PREOPERATIONAL mode
Blinking in green
RUN mode
Illuminated in green
●
Module not powered
●
If module is powered:
everything ok
Off
e
●
Error
●
Status Reset
If LED r and simultaneously single
flash in green: invalid firmware
version
Illuminated in red
Initial state of corresponding digital
input
Illuminated in green
1-6
Communication interface
Figure 23: LEDs for communication interface
Table 17: Description of LEDs for communication interface
Description
Status
LED
Module not powered
Off
r
RESET mode
If LED e is simultaneously illumin-
ated in red: invalid firmware ver-
sion
single flash in green
BOOT mode
Green double flash
PREOPERATIONAL mode
Blinking in green
RUN mode
Illuminated in green
●
Module not powered
●
If module is powered:
everything ok
Off
e
I/O error
single flash in red
●
Error
●
Status Reset
If LED r and simultaneously single
flash in green: invalid firmware
version
Illuminated in red
24
SIMA² Master Station
Indications
MODBUS RTU, MODBUS TCP/IP to DCS
Summary of Contents for SIMA 2
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