Set-Up - Vega VEGABAR 14 Operating Instructions Manual

Set-up

Correct zero point
1)
Always observe: if you set
the zero point to approx.
4.5 mA the sensor con-
sumes at nominal pressure
a current of 20.5 mA
(operating range shift)
18
6 Set-up
After mounting and electrical connection, VEGABAR
14 is ready for operation.
–> Switch on power supply
VEGABAR 14 delivers a current of 4 ... 20 mA ac-
cording to the actual process pressure.
Further settings are not necessary.
Proceed as follows:
1 Loosen the screw on the rear of the plug connec-
tor
2 Remove plug connector and screw
3 Plug the plug connector back in without screw
4 Insert 2 mm screwdriver approx. 45 mm into the
hole of the screw
You will reach this way a small potentiometer
5 Adjust zero point 4 mA ± 1 mA with the variable
potentiometer
handheld in the appropriate measuring range.
Fig. 10:
Adjustment of zero point
6 Tighten the plug screw
1)
. If necessacry, connect a
VEGABAR 14