Endress+Hauser iTEMP HART DIN rail TMT112 Bedienungsanleitung Seite 15

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Connection HART communication
Hand operating module DXR275/375 or Commubox FXA 191 in
combination with PC and Endress+Hauser operating software (See
"Operation" on page 14.).
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A = Connection HART
A* = Connection HART
B = PLC with passive input
C = The measurement circuit must have a load of at least 250 Ω. If using the
Endress+Hauser power supplies RNS221 and RN221N this resistance is
already installed in the unit and is therefore not required externally!
Connection of Commubox FXA191:
Set the Commubox DIP switch to 'HART
communication directly to the transmitter
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communication to a power supply
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'!
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