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Table 1 — Input and Output Points
MODULE,
DEFAULT ADDRESS
INPUT
INPUT
TYPE
CHANNEL
NUMBER
OUTPUT
OUTPUT
TYPE
CHANNEL
NUMBER
PSIO (Processor)
ADDRESS 1
SAT AI 1 IGV* AO 13
OAT AI 2 MIXD AO, DO† 14
MAT AI 3 HWC AO 15
RH AI 4 CWC AO 16
LTT DI 5 SF DO 17
SPT AI 6 HIR* DO 18
RAT AI 7 — — —
SP* AI 8 — — —
AFS DI 9 — — —
FLTS DI 10 — — —
OARH AI 11 — — —
ENT DI 12 — — —
PSIO (Option)
ADDRESS 31
SVP* AI 31 RFVC* AO 43
RVP* AI 32 HUM1 AO, DO 44
DHH DI 33 HUM2 DO 45
TEMP AI 34 AOTC AO 46
PRES DI 35 DOTC DO 47
EVAC DI 36 DTCC DO 48
PURG DI 37 — — —
FSD DI 38 — — —
AQ1 AI 39 — — —
AQ2 AI 40 — — —
OAVP* AI 41 — — —
METER DI 42 — — —
DSIO (Electric Heat)
ADDRESS 19
— — — EHS1 DO 23
— — — EHS2 DO 24
— — — EHS3 DO 25
— — — EHS4 DO 26
— — — EHS5 DO 27
— — — EHS6 DO 28
— — — EHS7 DO 29
— — — EHS8 DO 30
DSIO (DX without
Electric Heat)
ADDRESS 19
CUST DI 19 DXS1 DO 23
DXSD DI 20 DXS2 DO 24
— — — DXS3 DO 25
— — — DXS4 DO 26
— — — DXS5 DO 27
— — — DXS6 DO 28
— — — DXS7 DO 29
— — — DXS8 DO 30
DSIO (DX with
Electric Heat)
ADDRESS 49
CUST DI 49 DXS1 DO 53
DXSD DI 50 DXS2 DO 54
— — — DXS3 DO 55
— — — DXS4 DO 56
— — — DXS5 DO 57
— — — DXS6 DO 58
— — — DXS7 DO 59
— — — DXS8 DO 60
LEGEND
AFS — Airflow Switch (Supply Fan
Status Switch)
AI — Analog Input
AO — Analog Output
AOTC — Analog Output Temperature
Control
AQ1, 2 — Air Quality Sensors 1, 2
CUST — Condensing Unit Status
(Outdoor Air Thermostat)
CWC — Chilled Water Coil
DI — Discrete Input
DHH — Duct High Humidity
DO — Discrete Output
DOTC — Discrete Output Temperature
Control
DTCC — Discrete Output Timeclock
Control
DXS1-8 — Direct Expansion Cooling
Stages 1-8
DXSD — Direct Expansion Cooling
Shutdown
EHS1-8 — Electric Heater Stages 1-8
ENT — Enthalpy Switch
EVAC — Evacuation
FLTS — Filter Status Switch
FSD — Fire Shutdown
HIR — Heat Interlock Relay
HWC — Hot Water Coil
HUM1, 2 — Humidity Stages 1, 2
IGV — Inlet Guide Vanes
LTT — Low Temperature Thermostat
(also labelled FRZ)
MAT — Mixed-Air Temperature
METER — Meter (Pulsed Dry-Contact
Input)
MIXD — Mixed-Air Dampers
OARH — Outdoor-Air Relative Humidity
OAT — Outdoor-Air Temperature
OAVP — Outdoor-Air Velocity Pressure
PRES — Pressurization
PURG — Purge
RAT — Return-Air Temperature
RFVC — Return Fan Volume Control
RH — Relative Humidity
RVP — Return Velocity Pressure
SAT — Supply-Air Temperature
SF — Supply Fan Relay
SP — Static Pressure
SPT — Space Temperature
SVP — Supply Velocity Pressure
TEMP — Optional Temperature Input
*Available on VAV only.
†Discrete output with two-position damper control.
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