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3
Wiring
Figure 3. System Wiring
In
Out
V+
V-
V+
Previous
Power Requirements:
•
24 Vdc, 500 mA
•
14 AWG, 2 conductor, stranded cable
(Belden 5100UE or equivalent)
•
Up to 10 sensors per power supply
•
Up to 1,000 feet max power cable length per power supply
•
Larger power cable and/or additional power supplies
may be required for longer cable runs and/or increased
number of sensors
Contact Honeywell Analytics for help with all power requirements.
Manning AirAlert-96d Gas Monitor
SD card datalogger
RC
RC
R
R
V-
A1
B1
A2
B2
SHLD
Channel 1
Next
19073 AIRALERT96D 05/2006 Prelim REVC Copyright © 2006 Honeywell Analytics. All Rights Reserved.
Pushbutton
End-of-line
jumper position
RC
R
RC
R
SHLD
A3
B3
A4
B4
Channel 2
Channel 3
Communication Requirements:
•
24 AWG twisted pair, shielded (Belden 9841 or equivalent)
•
Network can be up to 2,000 feet per channel
•
Avoid "T-taps" if possible
•
Do not exceed 65 feet per T-tap
•
Do not exceen 130 feet total of all T-taps
•
Communication wire shield must be connected to shield
terminal(s) of controller (J23-J24)
•
Channels 1-2-3: Modbus protocol — Communicates only
with Modbus devices
•
Channel 4: Modbus output only — No sensor can be
connected to Channel 4
J3
Relay 4
J7
Relay 3
Warn
Alarm
High Alarm
Power
Relay 1
Relay 2
Fault
TX
RX
NO
NC
NO
Relay Outputs (J3-J7-J25-J26)
5A, 30 Vdc or 120 Vac (resistive load)
Channel 4
6
4
2
5
3
1
NC
NO
NC
NO
NC
Normally
3+5
open
4+6
Normally
1+3
closed
2+4
5
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