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© 2020 Carrier
5.5
Power-Up MB485ETH-CG
Check power requirements in the table below:
Power Requirement for MB485ETH-CG External Gateway
Current Draw Type
MB485ETH-CG Family
12VDC
24VDC/AC
FPA – W44 (Typical)
250mA
125mA
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.
Figure 10: Required Current Draw for the MB485ETH-CG
Apply power to the MB485ETH-CG as shown below in
Ensure that the power supply used
complies with the specifications provided in
•
The MB485ETH-CG accepts 9-30VDC or 24VAC on pins L+ and N-.The NXF4000 or PPC4000
can supply 24VDC voltage, all other devices will require an external 24VDC power supply.
•
Frame GND should be connected.
Power to
MB485ETH-CG
MB485ETH-
CG
Pin Label
Pin
Assignment
Power In (+)
L +
V +
Power In (-)
N -
V -
Frame Ground
FG
FRAME GND
Figure 11: Power Connections