Module Leds - semaphore KINGFISHER PLUS+ Hardware Reference Manual

Digital IO
Input characteristics are compatible with a wide range of user supplied input devices, such
as push buttons, limit switches and electronic proximity switches, whilst outputs can control a
wide range of user supplied load devices such as: motor starters, solenoids and indicators.
Power for the internal relay circuits is provided by the +12 V
user must supply the AC or DC power to operate field devices. An internal fuse protects the
relay contacts should ratings be exceeded.
Block-diagram of the IO-4 module is shown on the figure below.
14.3.2 IO-4 Module LEDs
Hardware Manual Version 7.16
IO-4 Block Diagram
LED State
OFF
OK
ON
OFF
FU
ON
OFF
A1-A8
ON
OFF
B1-B2
ON
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Kingfisher Plus+ Hardware Manual
bus on the backplane. The
DC
Description
Module fault (no power)
Normal
Fuse OK
Fuse fail
Digital input OFF
Digital input ON
Digital output OFF (open)
Digital output ON (closed)
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