7
1) Open a 91×91
（
mm
）
hole on fixed switch gear
；
2) Take the fixing claps off the meter
；
3) Insert the meter to the cut-out
；
4) Place the fixing claps, insert, fasten and fix the meter firmly on the panel.
3.3 Functions of wiring terminals
Function wiring terminals adopt the following numbers:
Power supply
1, 2
For AC and DC
Current signals
4, 5, 6, 7, 8, 9, 65, 66
Current input
Voltage signals
11, 12, 13, 14
Voltage input
Relay output
15—17
Two relay outputs
Energy pulse output
47, 48
Energy pulse output
RS485
communication
58, 59, 60
A, B and S severally.
Digital input
70—71, 72—73
Two digital inputs
