AD32 ENHANCED TOUCH TRACKER W/VMS
8000-2671-02, REV. A
INSTALLATION INSTRUCTIONS
7
Alarm and Relay
Connections
The back panel of the VM32 Video Matrix Switcher
provides eight alarm contact inputs, an external
frequency synchronization input, and contact
terminations for an internal alarm-activated relay.
You can program the Form-C internal relay to
activate during alarms for control of a VCR or
other alarm response device.
Figure 4. Alarm/Relay Connections
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31
2 4 6 8 10 12 14 16 18 20 22 24 26 28 31 32
1 2 3 4 5 6 7 8 SI NO NC C
1 2 3 4 5
1 2 3
RS232 PORTS
MONITORS
ALARMS
RELAY
120V
60Hz
CAMERAS
1 2 3 4 5 6 7 8 SI NO NC C
ALARMS
RELAY
The following is a description of the alarm and
relay connector pins.
Pin
Description
1
Ground
2
Alarm 1
3
Alarm 2
4
Alarm 3
5
Alarm 4
6
Alarm 5
7
Alarm 6
8
Alarm 7
9
Alarm 8
10
Ground
11
External Sync Ground
12
External Sync Input
13
Ground
14
Relay–Normally Open
15
Relay–Normally Closed
16
Relay–Common
Connections
Alarms
•
Alarm contact closures must have a resistance
of 500 Ohms or less.
•
Connect alarm contacts to inputs 1 through 8
(pins 2 through 9).
•
Connect alarm contact returns to Ground (pin
1 or 10).
External Sync
•
External sync input signal must be 1-5Vrms,
50/60Hz.
•
Connect external sync input to
SI
(pin 12).
•
Connect external sync ground to Ground (pin
11).
Relay
•
Connections for the internal relay are normally
open (NO), normally closed (NC), and
common (C). The relay contact ratings are
0.6A @ 120Vac or 2.0A @ 30Vdc.
•
Connect an alarm-response device requiring a
normally open circuit to
NO
(pin 14) and
C
(pin
16).
•
Connect an alarm-response device requiring a
normally closed circuit to
NC
(pin 15) and
C
(pin 16).
■
Pin 1
Pin 16
Video Matrix Switcher—Rear Panel
