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HONEYWELL UNITARY CONTROLLER - 230 VAC - INSTALLATION INSTRUCTIONS
UIO Wiring Examples
1
2
3
4
5
6
7
8
9
1
1
2
3
4
5
6
7
8
9
1
NC1 NO1 IN1 NC2 NO2 IN2 NC3 NO3 IN3 NC4 NO4 IN4
L
N
POWER 230V
DO RELAY
PORT1
PORT2
10/100 SWITCHED
Voltage Inputs
Ensure correct
polarity
0 to 10 VDC
Current Input
Externally Powered
Ensure correct
polarity
External
Power
Supply
NOTE:
• UL Standards recommend all wiring connections for the IO, 24 VAC / VDC circuits are restricted to the same
room.
• Use a protective diode for any circuit that allows the current to flow forward because the current will not flow
in the reverse direction. The diode protects the components responsive to the current flow through them in the
wrong direction.
31-00610-01
11 12 13 14 15
18 19
2
21 22 23
32 33 34 35 36 37 38
11 12 13 14 15
18 19
2
21 22 23
32 33 34 35 36 37 38
CO1
C
CO2
CO3
C
CO4
IO13 C IO14 IO15 C IO16
DO CHP
UIO
1
RS485
RS485 1
POW24
SYLK
UIO
24VDC
+
-
COM
V
WM1 / 2
IO1
C
IO2 IO3
C
IO4 IO5
C
IO6 IO7
C
IO8 C
OUT
IO9
C
IO1
IO11 C IO12
45
46
47
48 49
50
51 52 53
54
55 56 57 58 59
6
61 62 63
64
65
66 67 68 69
7
71 72
RS485 1
45
46
47
48 49
50
51 52 53
54
55 56 57 58 59
6
61 62 63
64
65
66 67 68 69
7
71 72
16 x Universal Input/Output (UIO)
Input Connection Example
Thermistor / Resistive input
e.g, 20 k NTC
+
+
PT 1000
V
V V
-
-
Volt-free / Digital input
Ensure correct
polarity
TTL /
CMOS
0V
logic
open
circuit
collector
Fig. 16 Universal IO Wiring Examples
0V IN
-
Voltage output to power external relay
-
Protective Diode is recommended
to protect the output
Ensure correct
polarity
Ensure correct
100 to
polarity
K
100
wetting
current
3.5 mA
Analog Output (UIO) provides a variable
volt free
voltage between 0-10 VDC and the
contact
output can source up to 20mA
20
Output Connection Example
Output Type
0 to 10 VDC, 10 mA max. 1k
4 to 20 mA
IN 0V
0V IN
-
+
Analog Output (UIO)
+
0 to 10 V
-
Load
550
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