iWorx® CSM1
502-045, Effective: July 25, 2013
9
© 2013 Taco Electronic Solutions, Inc.
Power (PWR)
Connect one output wire from a 24 VAC power supply to PWR (T39) and the other output wire from the power supply to
the adjacent common terminal (T38).
Ground (GND)
Terminal GND
(T40) must be connected to earth ground. Failure to properly ground this equipment will
result in improper operation. Improper grounding may also increase the risk of electrical shock, and may
increase the possibility of interference with radio and TV reception.
SPECIFICATIONS
Electrical Inputs
Resolution:
10
bit
Outside Air
Humidity, Inside Air Humidity, Supply Air Humidity:
0-10
Volts
DC
Outside Air Temp, Hot Supply Water Temperature, Chilled Supply Water Temperature, Supply Air Temp:
Precon
Type III 10K thermistor
Energy
Monitor,
End
of
Interval:
Normally open, Dry contact, 5
Volts DC Max
Unit Enable:
Normally open (closed when active), Dry contact, 5
Volts DC Max
Recommended Sensor Wire
Maximum Length:
500 feet (152 meters)
Recommended LON Bus FTT-10A Network Wire
Speed:
78KBPS
Max Volts:
42.4 Volts DC
Cabling:
Maximum node-to-node distance: 1312 feet (400 meters); Maximum total distance: 1640 feet (500 meters)
Power
Requires:
24VAC (20VAC to 28VAC), requires an external Class 2 supply
Consumes:
7.2W with no external loads, maximum limited by the Class 2 supply rating
Mechanical
Dimensions:
5.55” (141mm) high, 6.54” (166 mm) wide, 1.75” deep (44
mm),
ABS
Controller Weight:
0.70
pounds
(0.32
kilograms)
Shipping Weight:
1.0
pounds
(0.46
kilograms)
Processor:
3150 Neuron 10 MHz
Flash:
48
Kilobytes
Cable Type
Pairs
Details
Taco Catalog No.
18AWG
1
Stranded Twisted Shielded Pair, Plenum
WIR-018
Cable Type
Pairs
Details
Taco Catalog No.
Level 4 22AWG (0.65mm)
1
Unshielded, Plenum, U.L. Type CMP
WIR-022
