ABB FEX300 Operating Instruction page 55

Fig. 54
1 Housing cover
2 Transmitter electronics unit
3 Mounting screws for the transmitter
electronics unit
4 Backplane (in the transmitter housing)
Set the current output as follows:
1.
2.
3.
4.
5.
•
•
Important (Notice)
The backplane is not installed in the transmitter electronic unit (3) but rather in the transmitter
housing (1).
6.
OI/FEX300/FEX500-EN
1
2 3 4
3
Switch off the supply power.
Open the housing cover.
Remove the mounting screws for the transmitter electronics unit
Pull out the transmitter electronics unit
Plug in the jumper on the backplane in the transmitter housing to Position A or B.
A = 4 ... 20 mA output, passive
B = 4 ... 20 mA output, active
Reinstall the transmitter electronic unit in reverse order
A B
5 Jumper SW3
FEX300, FEX500
Commissioning
1
A B 4
• off: SensorMemory provided in the
flowmeter sensor (standard)
• on: No SensorMemory in flowmeter
sensor
5
G00679-01
55