4. How to Install Gas Monitor
4-4. Precautions for wiring
19
Figure of terminal plate
The overview of the terminal plate inside the main unit is as follows:
<For Connecting AC Power>
<For Connecting DC Power>
AC power (TND)
100 - 120 VAC ± 10% (50 Hz/60 Hz)
1: L
2: N
3: FG
DC power (TND)
24 VDC ± 10%
1: (+)
2: (-)
3: N.C
Terminal board for
AC power
Terminal board for
DC power
For Contact(TN3)
1-2: Not used
3-4: ALM2(2nd)