APG PG5 user manual - Manual (Page 22)

PG5 Rev. A1, 3/10
22
Automation Products Group, Inc.
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4-20 mA Option (loop powered):
NOTE 1: The supply voltage must be sufficient to maintain a minimum of 9 VDC
after “dropping” voltage across the load resistance with the output at
20mA. Example: If RL = 250 ohm then “drop” is 0.02 Amps X 250 ohm
= 5 volts. Therefore power supply minimum is 5 V + 9 V = 14 V.
NOTE 2: Completion of the earth ground (Pin F) is recommended for proper
circuit protection.
A F
B E
C D
6 Pin Connector
Externally powered with 0-5 VDC or 0-2 VDC analog output:
A F
B E
C D
6 Pin Connector
NOTE: C ompletion of the earth ground (Pin F) is recommended for proper
circuit protection.