6
Installation and Operation
EDBC250SIO | 2.0
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6.5.4
Temperature Faults
CAUTION
Do not operate the Safety I/O-module out of the specified range
Faults by component overload caused by excessive temperature
Operate the module under the ambient conditions listed in section Technical
Data only while observing the derating of the outputs.
The module is designed for ambient temperatures between 0 °C and max. 55 °C and for being
installed in a control cabinet. The Safety I/O-module features an extra internal temperature
sensor. Excess temperature will change the module to its safe state. You cannot start the
module at temperatures below 0 °C.
6.5.5
Wrong Supply Voltage
The supply voltage is rated at 24 VDC. It is monitored. In case of overvoltage (> +20%) and low
voltage (< -15%) alike, the module changes to its safe state.
6.5.6
Table of Faults
Depending on their type, faults detected are indicated by the diagnosis LEDs of the Safety I/O-
module and made available as a diagnostic message in error register object 1001h. Diagnostic
messages help you identify the fault and to take the required corrective actions.
The tables below list and describe the faults, their causes, effects and corrective actions.
Whenever a fault occurs, you should first of all remove its cause and acknowledge the fault in
the error register according to instructions.
Table of faults
Fault
Possible Cause
Corrective Action
Module fails to start, inputs are
not read.
Wrong FSoE address set at the
binary switch
Check address setting at the module
Check address selected in the safety PLC
Check module for mechanical damage and
replace as necessary
Inputs enabled although
outputs are in safe state
FSoE slave address changed in
service
System power supply
interrupted
System power supply too low
Check error code in the service block
Do not change the address coding switch in
service
Check module for mechanical damage and
replace as necessary
Check supply voltage
