11
31-XXXX-XX
Prelim Draft - Brand Neutral
BACNET IP/MSTP VAV - INSTALLATION INSTRUCTION
+
-
IOx
GN
D
Output Type
Load
0 to 10 Vdc, 10 mA max.
•1k
4 to 20 mA
”550
IN 0V
0V IN
0V IN
WIRING
7 x Universal Input/Output (UIO)
Output Connection Example
Input Connection Example
Volatage Inputs
ensure
correct
polarity
Thermistor / Resistive input
Volt-free / Digital input
ensure correct
polarity
+
0 to 10 Vdc
V
V
-
e.g.
20kNTC
PT1000
100 to
100k
TTL /
CMOS
0V
logic
circuit
open
collector
330 ȝA
volt free
contact
Current Input
Externally Powered
Loop powered (using 20 Vdc AUX output supply, 100mA maximum)
ensure correct
polarity
External Power
S
S
Supply
ensure correct
polarity
S
S
31
Common C terminal is linked
internally to AUX supply common -
no additional connection is required
IO
1
GND
IO
2
IO
3
GND
IO
4
IO
5
GND
IO
6
G
N
D
IO
7
19
20
21
22
23
24
25
26
27
28
29
IOx
GN
D
IOx
IOx
GN
D
IOx
GN
D
G
N
D
IO
x
IO
x
G
N
D
IO
x