Hioki LR8402-20 - 3.3 Input Channel Settings

2.4 Making Connections
41
3
2
Chapter 2 Measurement Preparations
< Connecting to the external control terminals >
Required items: phillips screwdriver (for M3 screws), measurement leads
Connecting Alarm Outputs
1 Lift the external control termi-
nal block cover.
2 Loosen the terminal block
screws, insert the bare ends of
the leads, and tighten the
screws.
3 Connect to the measurement
object.
4 Replace the cover on the exter-
nal control terminal block.
Connect the '+' wire to the ALM1 (or
ALM2 to ALM4) terminal.
Connect the '-' wire to a GND termi-
nal.
Five GND terminals are provided.
Connections can be made to any
GND terminal.
GND
2
3