Interbus-s led indicators – Norgren VS18 Series Valve Advantage User Manual
Page 73
VS18/VS26
MAINTENANCE & INSTRUCTION BOOKLET
8.5.6 Interbus-S LED indicators
VB (green) –
This LED will only be energised when 24 volts is applied to the electronics
power terminal of the power supply connector.
UL (green) –
This LED will only be energised when the Network power is connected to the
Network connector, indicating that the logic circuit of the module is powered.
RC (green) –
This LED will only be energised when a cable connection is made to the
incoming connector of the device.
BA (green) –
This LED will only be energised when communication is established on the
network from the master.
RD (yellow) –
This LED will only be energised when no connection is made to the device, or
the master is in an offline state.
VA (green) –
This LED will only be energised when 24 volts is applied to the valve power
terminal of the power supply connector.
Indicator status during powering up and commissioning
Condition
VB
UL
RC
BA
RD
VA
Power
up
on on off off on on
No operation state (master offline)
on
on
on
off
on
on
Establishing communication with
master
on on flickering
on off on
Device in an operation state
on
on
on
on
off
on
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