Azbil PTG60 - Power Supply and External Load Resistance

Wiring Azbil Corporation
3-4 Model PTG 60/70/71/72 - Smart Pressure Transmitter
Power supply and external load resistance
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supply so that both fall inside the diagonally-shaded area below.
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Transmitter, which includes the resistance in the cables forming the loop, the internal
resistance in instruments connected between the Transmitter and the power supply,
etc.
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11.5 16.9
30
0
Operating
range
A load resistance of
250 : is required for
communicator.
250
()
External load resistance (:)
Supply voltage (V DC)
850
Figure 3-2 Relationship between power supply voltage and external load
resistance