Diagnostics
196
9.6
Signal contact
RM Web L3P
Release
4.1
03/08
In the “Mode Signal contact” field, you select the “Monitoring correct
operation” mode. In this mode the signal contacts monitor the functions of
the device, thus enabling remote diagnosis.
A break in contact is reported via the potential-free signal contact (relay
contact, closed circuit):
X Error during self-test (the contact remains open).
X Voltage supply 1/2 failure or continuous device malfunction (internal
voltage). Select “Monitor” for Power Supply if the signal contact should
report the failure of the voltage supply or the internal 3.3 V DC voltage.
X The temperature threshold has been exceeded or has not been reached
(see on page 19 „System data“). Select “Monitor” for the temperature if
the signal contact should report an impermissible temperature.
X Removing a module. Select “Monitor” for removing modules if the signal
contact is to report the removal of a module (for modular devices).
X Fan failure (for devices with a fan).
X The removal of the ACA. Select “Monitor” for removing ACAs if the signal
contact is to report the removal of an ACA (for devices which support
ACAs).
X The defective link status of at least one port. The reporting of the link
status can be masked via the management for each port in the device.
Link status is not monitored in the state on delivery. Select “Monitor” for
connection errors if the signal contact is to report a defective link status
for at least one port.
X Loss of the redundancy guarantee in the HIPER-Ring (see on page 132
„HIPER-Ring“). Select “Monitor” for the HIPER-Ring if the signal contact
is to report a redundancy that can no longer be guaranteed in the HIPER-
Ring.
X Error in the Ring/Network coupling. Select “Monitor” for the Ring/Network
coupling if the signal contact is to report an error in the Ring/Network
coupling (see on page 142 „Configuring the redundant coupling“).
The following condition is also reported in RM mode:
X Redundancy guaranteed. State on delivery: ring redundancy is not
monitored.
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