Omega Speaker Systems DPF700 Installing the DUAL-RELAY Option Board, Dual-Relay Option Board

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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.

TB3/RELAY

1 2 3 4 5 6

NC1 N01 CM1 NC2 NO2 CM2

S5

AB

1 2 3

TB1

RELAY BD

TB3

4 5 6

MAIN BD

1 2 3

1TB2

2 3

4 5	6
		S1	2

1					O
	2					P
		3					E
C			4	5				N
							7
								8
	LO					6
			S						9
				E
						D

J5

2 1

J3

1

J4

2 1

10

Figure 2-1. Dual-Relay Option Board

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