Table of Contents
Advertisement
Installing the UC Open
Input wiring specifications
Input
0–5 Vdc
Thermistor
Dry contact
Pulse counter TLO
ZS sensors
Wireless Adapter for
wireless sensors
Equipment Touch
TruVu™ ET Display
Inputs
The UC Open has inputs that accept the following signal types.
These
inputs...
All
All
IN-1, IN-2
All
Binary outputs
The UC Open has 5 binary outputs. You can connect each output to a maximum of 24 Vac/26 Vdc. Each output is
a dry contact rated at 1 A, 24 V maximum and is normally open.
To size output wiring, consider the following:
•
Total loop distance from the power supply to the controller, and then to the controlled device
NOTE Include the total distance of actual wire. For 2-conductor wires, this is twice the cable length.
•
Acceptable voltage drop in the wire from the controller to the controlled device
•
Resistance (Ohms) of the chosen wire gauge
•
Maximum current (Amps) the controlled device requires to operate
UC Open
Installation and Start-up Guide
Maximum length
500 feet
(152 meters)
500 feet
(152 meters)
See Wiring devices to the UC Open's Rnet port (page 11).
Support this signal
type...
Description
Precon type 2 (10 kOhm at 77°F/25°C)
Thermistor
Input voltage for IN-5: 1 to 2.52 Vdc
Input voltage for all other inputs: 0.33 to 2.52 Vdc
Dry contact
A 3.3 Vdc wetting voltage detects contact position, resulting in a 0.3 mA
maximum sense current when the contacts are closed.
0–5 Vdc
The input impedance of the UC Open is approximately 30 kOhm.
Pulse counter
Pulse counting up to 4 pulses per second.
Minimum pulse width (on or off time) required for each pulse is 100
msec.
Minimum gauge
Shielding
22 AWG
100 feet
(30.4 meters) unshielded
100 - 500 feet shielded
22 AWG
100 feet
(30.4 meters) unshielded
100 - 500 feet shielded
8
CARRIER CORPORATION ©2019
All rights reserved
Advertisement
Table of Contents
