Operating Manual 13
Display elements
LEDs for status display
Each input and output is assigned an LED for status display.
If the input or output is high, the corresponding LED will light. If it goes low,
the LED will go out.
LED “Supply”
Indicates that the supply is present.
LED “Load Supply”
Indicates that the load supply is present.
LED “Device”
This dual-coloured LED indicates the status of the device.
•Red: a device error has occurred. The device error may affect one or
both of the I/O groups configured on the module.
•Flashing red: a periphery error has occurred.
•Green: the module is operating without error.
•LED off: a system error is preventing the module from starting up.
LED “SB active”
Indicates a connection between the module and the management device.
•Green: Successfully connected to management device
•LED off: no connection to SafetyBUS p (faulty wiring or management
device not in operation)
•LED flashing: Connection made to SafetyBUS p, but the management
device does not recognise the module (invalid device address or
configuration)
LED “I/O Group”
Indicates the status of the I/O groups configured on the module.
•Green: all the I/O groups configured on the module have “RUN” status
•LED off: all the I/O groups configured on the module have “STOP” status
•LED flashes: one of the I/O groups configured on the module has
“STOP” status
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