©Yokogawa Corporation of America
2 Dart Road, Newnan, GA 30265
770-254-0400
IM 61A YHC1-E-A
1st Edition: Feb. 2008
Page 13 of 34
DOFs” and “Documenting HART Configurations with Yokogawa DMS Software” sections of this manual
for more information on communications.
Note: For YHC 4150X Intrinsically Safe units, the Communication / AC Adapter Dongle must be used
only in a safe area. See the “Hazardous Area Use” section of this manual and the Intrinsic Safety
Control Drawing in the Appendix of this manual for more information.
WARNING: Serious injury or death may result from explosions. Do not make any connection to the
YHC’s Dongle connector while in a hazardous area. Use the connector / Dongle only in non-hazardous
areas.
2. HART Jacks / Lead Set –
All YHC models are equipped with a standard size banana jack on 0.75”
center. The lead set supplied with the YHC has a standard banana plug on one end and mini-grabbers on the
other for convenient connections.
Note: For Intrinsically Safe YHC models, verify the instruments in the loop are installed in accordance
with intrinsically safe field wiring practices before making connection from the field device to the YHC’s
HART jack. See the Hazardous Area Use Section of this manual and the Intrinsic Safety Control
Drawing in the Appendix for more information.
to PC
to AC adapter
