4 switch on phase – VEGA VEGASON 65 4 … 20 mA_HART four-wire User Manual
Page 27
3
1
2
3
4
1
2
L 1 N
4... 20mA
I S
GND
Fig. 22: Connection compartment, double chamber housing
1
Spring-loaded terminals for signal output
2
Ground terminal for connection of the ground conductor and screen
3
Spring-loaded terminals for voltage supply
4 ... 20 mA
PE
/ L
/ N
L1 N
GND
1
2
1
2
3
4
4...20mA
IS
Fig. 23: Wiring plan, double chamber housing
1
Power supply
2
Signal output
5.4 Switch on phase
A
fter connecting VEGASON 65 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
Connection compart-
ment
Wiring plan
Switch on phase
VEGASON
65 • 4 … 20
mA/HART four-wire
27
5 C
onnecting to power supply
28782
-
EN
-081127