5
US
GN/RD
Sensor power
green
US power supply normal
extinguish
US power supply out
red
US power supply undervoltage (under 18 V)
UA
GN/RD
Device power
green
UA power supply normal
extinguish
UA power supply out
red
UA power supply undervoltage (under 18 V)
Light indicator of I/O signal
Light
Color
Define
State
Description
2
GN/RD
Signal performance of PIN 2
green
Signal exists in Pin2
extinguish
No signal exists in Pin2
red
Pin2 output overload short circuit
2 @ 4 red at the same time
Pin1(power) overload short circuit
4
GN/RN
Signal performance of PIN 2
green
Signal exists in Pin4
extinguish
No signal exists in Pin4
red
Pin2 output overload short circuit
