Honeywell IAQPoint2 User Manual page 20

IAQPoint2™
IAQPoint2 Wall Mount Analog
+
14.5
VDC
-
Internal
loads
Figure 10. Wiring schematic for analog wall-mount units
IAQPoint2 Duct Mount RS485
B
Terminator
Isolated
120Ω
RS485
transceiver
ADM2587E
A
Internal
loads
Figure 11. Wiring schematics for RS-485 duct-mount units
14
Energized when IAQ good
NO
1
load
Energized when IAQ poor
NC
2
load
250 VAC, 30 VDC max
Com
3
External Controller
4
Ch. 3
5
Ch. 2
6
Ch. 1
7
-
Common
8
9
24 VAC/DC
+
10
Note:
R = 0 – 500Ω in mA mode
Load
250 VAC, 30 VDC max
Com
1
Energized when IAQ poor
NC
2
load
Energized when IAQ good
NO
3
load
Shield
Inverting, BACnet
4
EIA/RS-485 A, Modbus D0
5
Non-inverting, BACnet
EIA/RS-485 B, Modbus D1
6
7
-
8
9
24 VAC/DC
+
10
-
+
BACnet or
Modbus BAS