15.9 Diagnostic Word
Byte 0 (Communication Status)
Byte 0, Bit 0 Switched Power Status = Bit is high when valve / output power is not present on the
comm. module.
Byte 0, Bit 1 Un-switched Power Status = Bit is high when node / input power is below 19VDC
Byte 0, Bit 2 Sub-Bus Error = Bit is high when there is an error on the sub-bus; see “Byte 1” of
diagnostic word for description.
Byte 0, Bit 3 Sub-Bus Short Circuit = A short circuit has been detected across the Sub-Bus
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