4 switch on phase – VEGA VEGAPULS 67 (≥ 2.0.0 - ≤ 3.8) 4 … 20 mA_HART four-wire User Manual

Page 27

Advertising
background image

Information:
K

eep in mind that the indicating and adjustment module must only be

used in the electronics compartment.

4 ... 20 mA

PE

/ L
/ N

L1 N

GND

1

2

1

2

3

4

4...20mA

IS

Fig. 22: Wiring plan, double chamber housing

1

Voltage supply

2

Signal output

5

.4 Switch on phase

A

fter connecting VEGAPULS 67 to power supply or after a voltage

recurrence, the instrument carries out a self-check for approx. 30
seconds:

l

I

nternal check of the electronics

l

I

ndication of the instrument type, the firmware as well as the

sensor TAGs (sensor designation)

l

O

utput signal jumps briefly (approx. 10 seconds) to the set fault

current

T

hen the corresponding current is outputted to the cable (the value

corresponds to the actual level as well as the settings already carried
out, e.g. factory setting).

Wiring plan

Switch on phase

VEGAPULS

67 • 4 … 20

mA/HART four-wire

27

5 C

onnecting to power supply

32939

-EN

-100514

Advertising