Functional Test - JUMO 705031 Notice De Montage

3.4

Functional test

The voltage supply must be tested on completion of the electrical connection:
Signal
LED "P" (Power, green) is lit
LED "P" (Power, green) is not lit
Startup
The check described above completes the process of installation and electrical connection. For startup,
use the additional documentation (see operating manual of the central processing unit).
NOTE!
The LED "S" (Status) indicates the system status and, if necessary, module-specific errors (depending
on the module). In normal operation it lights green (Run – Operational). For further information, refer to
the operating manual of the relevant module or central processing unit.
3 Electrical connection
Meaning
The module is being supplied with voltage through
the side contacts.
The module is not supplied with voltage or there is
a problem with the electrical function of the LED.
Remedy:
• Check the voltage supply to the side contacts
of the preceding module (top contact +24V,
bottom contact GND).
• Check voltage supply to "+24V" and "GND"
terminals of the central processing unit or rout-
er module.
• Check power supply unit and connection be-
tween power supply unit and central process-
ing unit or router module.
If the "Power" LED does not light up despite a volt-
age supply being present, the module insert or – if
the bus board inside the housing is faulty – the en-
tire module must be replaced.
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