Carrier Omnizone 50BVC Installation, Start-Up, Service And Controls Operation And Troubleshooting page 39

INPUT /OUTPUT TYPE
Occupancy Override *
Duct Static Pressure Sensor
Compressor Status (compressor 4)
Compressor Status (Compressors 1-3)
Return Air Sensors
Entering Water Temperature (required for Economizer)
Supply Air Temperature Sensor
Relative Humidity Sensor*†
CO Sensor (Required for demand control ventilation)*
2
Leaving Water Temperature Sensor (standard)
UPM II - Compressors 2 & 4
UPM II - Compressors 1 & 3
Open
Open
Return Fan Speed (VFD Drive Terminal Strip)*
Open
Modulating Hot Gas Re-heat Valves
Fan Speed - (VFD Drive Terminal Strip AI-1)
Compressor Stage 4 Command (Y4)
Compressor Stage 3 Command (Y3)
Compressor Stage 2 Command (Y2)
Compressor Stage 1 Command (Y1)
Open
Supply Fan Enable signal (VFD Drive Terminal Strip)
Xnet Remote Expansion
LEGEND
AI — Analog Input
AO — Analog Output
BI — Digital Input
BO — Digital Output
UI — Universal Input
* Inputs and outputs are optional. Sensors not provided. 50BV units do
not contain a return fan; return fan control is available for return fan
separate from 50BV unit.
† Read-only points. No effect on Sequence of Operation.
NOTE: Transformer's common terminals are tied together.
Table 20 — 50BVJ,W Standard I/O Table
TYPICAL DEVICE
I/O FLEX 6126 Controller
Inputs
Dry Contact (N.O)
0 -5 VDC
IEM 2
IEM 1
10K Type II
10K Type II
10K Type II
0-5 VDC
0-5 VDC
10K Type II
Outputs
ABB ACH550-UH
ABB ACH550-UH
ABB ACH550-UH
I/O Flex EX8160
expander
39
TYPE OF I/O
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI (0-10 V, RTD Therm/Dry, 0-20 mA)
UI Pulse Counting (0-20 mA)
UI Pulse Counting (0-20 mA)
AO (0-10 V)
AO (0-10 V)
AO (0-10 V)
AO (0-10 V)
AO (4-20mA/0-10 V)
AO (4-20mA/0-10 V)
BO (Relay 5A at 250Vac)
BO (Relay 5A at 250Vac)
BO (Relay 5A at 250Vac)
BO (Relay 5A at 250Vac)
BO (Relay 5A at 250Vac)
BO (Relay 5A at 250Vac)
I/O Expansion Board
CONNECTION
I/O TYPE
PIN
CONFIG
NUMBERS
UI-12 - 19 & 20 DI
UI-11 -17 & 18 AI
UI-10 - 16 & 17 DI
UI-09 - 14 & 15 DI
UI-08 - 13 & 14 AI
UI-07 - 11 & 12 AI
UI-06 - 10 & 11 AI
UI-05 - 8 & 9 AI
UI-04 - 7 & 8 AI
UI-03 - 5 & 6 AI
UI-02 - 2 & 4 DI - pulse
UI-01 - 2 & 3 DI - pulse
AO-6 - 11 & 12 AO
AO-5 - 9 & 10 AO
AO-4 - 7 & 8 AO
AO-3 - 5 & 6 AO
AO-2 - 3 & 4 AO
AO-1 - 1 & 2 AO
BO-6 - 16-18 BO
BO-5 - 13-15 BO
BO-4 - 10-12 BO
BO-3 - 7-9 BO
BO-2 - 4-6 BO
BO-1 - 1-3 BO
Xnet Comm-Port