VEGA VEGASWING 83 fail safe and signal conditioning instrument VEGATOR 526 Ex - Manual (Page 22)

22 VEGASWING 81 W5 Ex.C, 83 W5 Ex.C fail safe
z8 z10 d8
d20 d18
d20 d18
d20 d18
d20 d18
4 Set-up
4.1 VEGASWING 8… W5 Ex.C
Functional table
The following table gives a survey on the switching conditions dependent on the adjusted mode
and the level.
Level Level Relay Fail safe Fail safe
relay control relay control
(closing lamp (spdt) lamp
contact) VEGATOR
526 Ex
Mode A
(fail safe)
Relay Relay
energized energized
Relay Relay
de-energized energized
Mode B
(not
fail safe)
Relay Relay
energized energized
Relay Relay
de-energized energized
Failure of the voltage supply
Mode A / B individual
Relay Relay
de-energized de-energized
Failure
Mode Acc. to Acc. to
A / B individual mode mode
“see “see Relay
above“ above“ de-energized
Set-up
d20 d18
z8 z10 d8
z10 z8 d8
z8 z10 d8
z8 z10 d8
z8 z10 d8