OMICRON 323
Accessories
22.3 IOB1 module
22.3.1 Designated use
The IOB1 module extends the amount of inputs and outputs of CIBANO 500. It provides 12 completely
independent galvanically isolated channels (CAT III / 300 V). The additional inputs and outputs can be
used for reading auxiliary contacts and controlling trip and close coils and motors.
Figure 22-5: Front view of the IOB1 module
Table 22-14: ERROR LED’s states
State Description
Off No error
Flashes periodically two times Supply failure of the channel relay
Flashes periodically three times Overtemperature
Mandatory grounding connection
Six binary output channels
Two LEDs indicating the IOB1 state.
Voltage/current indicator is flashing: Indicates
hazardous voltage and/or current levels at the
IOB1 inputs/outputs.
ERROR: Indicates an error.
(see Table 22-14: "ERROR LED’s states" later
in this section)
Six binary input channels (dry/wet)
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