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IOM - ALPHA CONTROLLER
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IOM
BAC-8007/BAC-8207
Section 1 — About the Controllers
Analog inputs All inputs are configured as analog
Active inputs 2
Passive inputs 4
Air flow sensor 1
Actuator position 1
Key features Standard units of measure
Overvoltage input protection
Connector Spade connectors, 0.25 inch
Conversion 12–bit analog–to–digital conversion
Input range 0–12 volts DC
Outputs, analog 2
Key features Output short protection
Configured as BACnet analog objects
Standard units of measure
Connector Spade connectors, 0.25 inch
Conversion 12–bit analog–to–digital conversion
Output voltage 0–10 volts DC
Output current 30 mA per output, 30 mA total for all
analog outputs
Outputs, binary 4 triacs for external equipment
2 for the internal actuator
Key features Optically isolated triac output
Conversion 12–bit analog–to–digital conversion
Connector Spade connectors, 0.25 inch
Output range Maximum switching 24 VAC at 3 amperes
Communications
BACnet MS/TP EIA–485 operating at rates up to 76.8 kilobaud
Removable screw terminal block
Wire size 12–24 AWG
Sensor jack RJ-45 jack compatible with model STE-8000 and
STE-6000 models with RJ-45 jacks
Supported objects See PIC statement for supported BACnet objects
Control Basic 5 program areas in BAC-8007
6 program areas in BAC-8207
PID loop objects 8
Value objects 60 analog, 32 binary, and 12 multistate
Memory Programs and program parameters are stored
in nonvolatile memory
Auto restart on power failure
SPECIFICATIONS