Cerabar M, Deltabar M, Deltapilot M / 4...20 mA HART Wiring
Endress+Hauser 35
4.2.6 Connecting Commubox FXA195 for operation via
FieldCare
P01-xMx5xxxx-04-xx-xx-xx-002
Fig. 24: Connecting PC with FieldCare operating program via Commubox FXA195
1 Computer with FieldCare operating program
2Commubox FXA195
Connecting Commubox FXA195 (USB)
The Commubox FXA195 connects intrinsically safe transmitters with the HART protocol to a
computer's USB port. This allows remote operation of the transmitter using Endress+Hauser's
FieldCare operating program. Power is supplied to the Commubox through the USB port. The
Commubox is also suitable for connection to intrinsically safe circuits. A communication resistor
(250 ), which can be switched on and off, is integrated in the Commubox FXA195. See
Technical Information TI237F for further information.
4.3 Potential equalization
Hazardous area applications: Connect all devices to the local potential equalization.
Observe the applicable regulations.
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