Pelco ALM2064 manual Wiring Alarms

WIRING ALARMS

All alarm wiring takes place using the four groups of connectors located on the rear of the alarm unit. The alarm unit has four groups of inputs. Each group represents 16 alarm inputs:

•Group I – 1-8, 9-16

•Group II – 17-24, 25-32

•Group III – 33-40, 41-48

•Group IV – 49-56, 57-64

Each of the four groups of wired alarm inputs are classified into modes (or contact types): supervised and unsupervised. This is important for the following reasons:

1.The operational mode (supervised or unsupervised) for each 32-input group is determined solely by the DIP switch positions of SW1. Refer to Figure 5.

2.Integrating supervised and unsupervised wiring modes within the same group is not allowed.

3.In unsupervised mode, it is not possible to have alarms wired for both normally open and normally closed operation in the same alarm group.

4.If wiring a group of alarm inputs as supervised, no unwired inputs are allowed as this would result in a constant alarm condition. All unwired inputs should have a 10-kohm resistor wired across its input and associated GND connection. Refer to Figure 6.

5.If wiring a group of alarm inputs as unsupervised and normally closed, no unwired inputs are allowed as this would also result in a constant alarm condition. Alarm inputs not used must be shorted out between the alarm input and its associated GND connection. Refer to Figure 7.

SW1 – SUPERVISED MODE

1	2	3	4	5	6	7	8	9	10
ON

ALM GROUP ALM GROUP

1-3233-64

7	— ON	9 — ON
8	— OFF	10 — OFF

SW1 – UNSUPERVISED MODE

1	2	3	4	5	6	7	8	9	10
ON

	ALM GROUP				ALM GROUP
	1-32			33-64
	7,	8	— OFF, OFF — N.O.	9, 10		— OFF, OFF — N.O
00710	7,	8	— OFF, ON — N.C.	9, 10		— OFF, ON — N.C

Figure 5. DIP Switch Settings for Supervised/Unsupervised Modes

C1517M-A (11/02) 7