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WIRING
7 x Universal Input/Output (UIO)
Volatage Inputs
ensure
correct
polarity
+
V
0 to 10 Vdc
-
Current Input
Externally Powered
ensure correct
polarity
External Power
Supply
Input Connection Example
Thermistor / Resistive input
+
e.g.
100 to
V
20kNTC
100k
-
PT1000
Loop powered (using 20 Vdc AUX output supply, 100mA maximum)
ensure correct
polarity
S
S
BACNET IP/MSTP VAV - INSTALLATION INSTRUCTION
Output Connection Example
0 to 10 Vdc, 10 mA max.
IN 0V
4 to 20 mA
0V IN
0V IN
Volt-free / Digital input
ensure correct
TTL /
CMOS
0V
logic
circuit
31
Common C terminal is linked
internally to AUX supply common -
S
S
no additional connection is required
11
Prelim Draft - Brand Neutral
Output Type
Load
•1k
"550
polarity
330 ȝA
open
volt free
collector
contact
31-XXXX-XX
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