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Statox 503 Control Module
Page
26
of
46
Issue 10 / 2018
Statox 503 in Common Alarm Module Operation
The ex-works setting of the Statox 503 is Control Module mode. See chapter 8.3 for changing to Common
Alarm mode.
After being connected to power, the Statox 503 performs a self-test. Then the display shows the actual
firmware code. As far as there is no alarm signal on the bus, the display shows „COMMON OK“.
Figure 18: Start procedure in Common Alarm mode
When operating in common alarm mode, the module monitors the status of up to 25 control modules
connected to the bus. As soon as one control module generates an alarm, the common alarm modules LEDs,
relays, LCD and analog output go into the alarm status.
Alarm on
Bus
Status
Analog
output
Display
Normal
4 mA
COMMON
OK
A1
Alarm 1
12 mA
COMMON
ALARM 1
A2
Alarm 2
16 mA
COMMON
ALARM 2
SF
System failure
0 mA
COMMON
FAILURE
Service Mode
2 or 4 mA
(main menu)
If several alarms occur at the same time, the priority is:
Service Mode > A2 > A1 > SF
Power ON
Actual firmware version is
displayed for 20 s