Connecting the
Commubox FXA 191 for
operating via
Commuwin II
The Commubox FXA 191 connects Smart transmitters with a HART protocol to the
RS 232 C serial interface of a personal computer. This enables the transmitter to be
remotely operated with the Hauser Commuwin II operating program.
The Commubox FXA 191 is used for intrinsically safe signal circuits.
Connection of
handheld terminals
•
Do not change batteries of the handheld terminal inexplosion hazardous
areas.
•
For correct transmission of the communication signal a there must be a total
minimum resistance of 250
Ω
between the connecting points and the power supply.
4…20 mA
4...20 mA
Test
1
2
3
+
PC with Commuwin II
operating program
Commubox
FXA 191
Deltabar S
minimum line
resistance 250
Ω
BA235
Y18
Figure 2.5
The Commubox can be
connected anywhere along the
4…20 mA cable.
4...20 mA
min. 250
Ω
250
Ω
min.
4...20 mA
Test
1
2
3
+
I
O
FMD 230:LIC0001
Online
1 >Group Select
2 PV
20 mbar
HELP
I
O
FMD 230:LIC0001
Online
1 >Group Select
2 PV
20 mbar
HELP
any follow-up
device
BA235
Y19
Figure 2.6
Connection of the handheld
terminal for remote operation
Deltabar S
2 Installation
Hauser
13