KMC Controls
Revision E
About the BAC-7401
Specifications
4
Communications
BACnet MS/TP
EIA–485 operating at rates up to 76.8 kilobaud.
Automatic baud detection.
Automatically assigns MAC addresses and device
instance numbers.
Removable screw terminal block.
Wire size 14–22 AWG
NetSensor
Compatible with models KMD-1161 and KMD-1181,
Connects through RJ–12 connector.
Programmable features
Control Basic
10 program areas
PID loop objects
4 loop objects
Value objects
40 analog and 40 binary
Time keeping
Real time clock with power backup for 72 hours
(BAC-7401-C only)
See PIC statement for supported BACnet objects
Schedules
Schedule objects
8
Calendar objects
3
Trend objects
8 objects each of which holds 256 samples
Alarms and events
Intrinsic reporting
Supported for input, output, value, accumulator,
trend and loop objects.
Notification class objects
8
Memory
Programs and program parameters are stored in
nonvolatile memory.
Auto restart on power failure
Application programs
KMC Controls supplies the BAC-7401 with
programming sequences for heat pump units:
◆
Roof top operation based on occupancy, night
setback, proportional hot and chilled water valve
control.
◆
Economizer operation.
◆
Freeze protection.
Regulatory
UL 916 Energy Management Equipment
FCC Class B, Part 15, Subpart B
BACnet Testing Laboratory listed
CE compliant
SASO PCP Registration KSA R-103263