Table of Contents
Advertisement
2
2.1 INSTALLING THE DUAL-RELAY OPTION BOARD
To install the dual-relay option board, follow these steps (refer to the Figure 2-1):
!
CAUTION: The meter has no power-on switch, so it will be in operation
as soon as you apply power.
!
IMPORTANT: Disconnect the power from the unit before installing this
option board.
1. Hold the board in a horizontal position, with the TB3 connector facing towards the
rear of the meter.
2. Line up the 3 connectors located on the back side of the board with pin groups J3, J4
and J5 on the mother card.
3. Push connectors down to secure on relay board.
1 2
2
TB3/RELAY
1
2
3
4
NC1 N01 CM1 NC2 NO2 CM2
1
2
3
TB1
3
TB2
1 2
3
4 5
6
S1
2
Figure 2-1. Dual-Relay Option Board
5
6
RELAY BD
TB3
4
5
6
J3
1
J4
2
1
MAIN BD
J5
2
1
Advertisement
Table of Contents
