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MOBILITY DHH800-MFC CONFIGURATOR INSTRUCTION MANUAL
5.0
External Connections to Mobility MFC
1. AC Adapter – The Mobility DHH800-MFC can be powered by external AC Adapter connected to the jack
located on the left side of the Mobility MFC. P/N 3KXD311800L0036 bypasses the battery circuit to power
the unit. The battery symbol in the display header is replaced by a wall plug symbol.
WARNING: Serious injury or death may result from explosions. Do not make connection to the AC
adapter jack in a hazardous area. Use the AC adapter only in non-hazardous areas.
2. HART lead set – All Mobility MFC models are equipped with a standard size banana jack on 0.75" center.
The lead set supplied with the Mobility MFC has a standard banana plug on one end and mini-grabbers on
the other for convenient connections.
Note: For Intrinsically Safe Mobility MFC 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 Mobility MFC's HART jack. See Hazardous Area Use Section of this manual for
Intrinsically Safe guidelines / restrictions.
3. DB-9 Connection Port – All Mobility MFC models are equipped with a standard DB-9 connection for RS-
232 communications located on the Mobility MFC's bottom end. The DB-9 provides the hardware interface to
facilitate download / upload operations from a host PC. This connection port facilitates download of Mobility
®
MFC firmware improvements, HART
Device Object Files (DOFs) and documenting operations. All Mobility
MFC upgrades are available via the DPC Manager Download Site (refer to the DOF/Firmware Download Site
section in this manual). The Mobility MFC does not need to be returned to ABB for firmware updates or for
the addition of DOF files.
Note: Do not use the DB-9 connection port in Hazardous Areas. Use in non-hazardous areas only. See
Intrinsic Safety Control Document in the Appendix for more details on I. S. Mobility MFC units.
5-1
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