Connecting Power To Gw-Bac1; Figure 7: Required Current Draw For The Gw-Bac1; Figure 8: Power Connections - Unitronics GW-BAC1 User Manual

Unitronics's BACnet Gateway User Guide
2.4

Connecting Power to GW-BAC1

Apply power to GW-BAC1 as show below in Error! Reference source not found.. Ensure that the power supply
used complies with the specifications provided in Appendix B.1.

GW-BAC1 accepts either 9-30VDC or 12-24 VAC on pins 4 and 5.
o
The "Frame Ground" (pin 6) is not typically connected.
Power Requirement for GW-BAC1 at 9V through 30 VDC or 12-24 VAC
GW-BAC1 Family
FPC – N34 (Typical)
FPC – N34 (Maximum)
Note: These values are 'nominal' and a safety margin should be added to the power supply of the host system. A
safety margin of 25% is recommended.
Power to GW-
BAC1
Power In (+)
Power In (-)
Frame Ground
Unitronics
Current Draw Type
12VDC/VAC
170mA
240mA

Figure 7: Required current draw for the GW-BAC1

GW-BAC1
Pin # Assignment
Pin 4
Pin 5
Pin 6 FRAME GND

Figure 8: Power Connections

24VDC/VAC
100mA
140mA
Pin
V +
V -
Page 11 of 28
30VDC
80mA
100mA