Yokogawa HART Communicator YHC5150X User Manual
Page 35
29
4.2 HART
®
Connections
HART
®
connections are made using two standard banana jacks (3/4” center) located at the top end of the
communicator. Refer to the following diagram. Polarity is not a concern for HART
®
connections so both
jack collars are black. Yokogawa supplies a HART
®
lead kit (1W-A900529-00014) complete with mini-
grabber connections and a 250 Ω load resistor with each unit.
Consult the transmitter manual for proper connection in hazardous locations
For low load loops (less th
an 250 Ω), a 250 Ω resistor may be needed in the loop to insure reliable HART
®
communication. Yokogawa
supplies a 250 Ω load resistor in the form of a standard adaptor (1W-A36821).
Refer to the following diagram for connection details.
HART
®
connections are standard banana jacks
(3/4” center)
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