Wiring Inputs And Outputs; Input Wiring Specifications; Inputs Uc Open Xp Io - Carrier UC Open XP Installation And Startup Manual

UC Open XP IO Installation
Set the UC Open XP IO's address on the rotary switch. For example, the switch below shows an address
2
of 1.
NOTE Do not change the address from the default setting of 1!
Turn on the UC Open XP IO's power, then turn on the attached UC Open XP's power. TheUC Open XP
3
reads the powered UC Open XP IO's address each time you turn on the UC Open XP.

Wiring inputs and outputs

See Appendix A (page 29) to print a blank wire list.

Input wiring specifications

Input
0–5 Vdc
Thermistor
Dry contact
Pulse counter
TLO

Inputs UC Open XP IO

The UC Open XP IO has 16 inputs that accept the following signal types:
Signal Type
Thermistor
Dry contact
0–5 Vdc
Pulse counter*
20
Maximum length
500 feet
(152 meters)
500 feet
(152 meters)
Description
Precon type 2 (10 kOhm at 77°F). Input voltages should be from 0.489 Vdc
to 3.825 Vdc for thermistors.
A 5 Vdc wetting voltage detects contact position, resulting in a 1 mA
maximum sense current when the contacts are closed.
The output impedance of a 0–5 Vdc or a 0–10 Vdc source must not exceed
200 Ohms. The input impedance of the UC Open XP is approximately 20
kOhm.
10 pulses per second max. Minimum pulse width (on or off time) required for
each pulse is 50 msec.
Minimum gauge Shielding
22 AWG 100 feet Unshielded
100 - 500 feet Shielded
22 AWG 100 feet Unshielded
100 - 500 feet Shielded
UC Open XP/UC Open XP IO