ES 2050/51
Tipical Electrical wiring diagrams
39
Typical Electrical wiring diagrams.
Remote control valves or pilot stagers
which do not automatically return to the
service position.
Two
or
four
steps.
Changeover switch control of positioning.
The live output is switched between terminals 6(13) and 7(14)
Remote control valves or pilot stagers
which automatically return to the
service
condition.
Two
or
four
steps.
Changeover switch control of positioning.
The live output is switched between terminals 6(13) and 7(14). In the service
condition
terminal
8(15)
is
live.
Remote control valves or pilot stagers
which do not automatically return to
the
service
position.
Two,
four
or
five
steps.
Pulse switch control of positioning.
Valve with integral program routine (external control).
Pulsed
live
output
at
terminal
7(14).
Maintained
drive
supply
from
terminal
4.
Remote control valves or pilot stagers
which automatically return to the
service
position.
Two,
four
or
five
steps.
Pulse
control
of
positioning.
Pulsed
live
output
at
terminal
7(14).
In the service condition terminal 8(15) is live.
Connection
of
signal lamp, klaxon or solenoid valve
using the volt free
relay outputs AD, RE, FL or AN.
l1 and C to be bridged.
Warning
Do not connect the alarm relay output (MF) in this manner.
Connection
of
signal lamp, klaxon or solenoid valve
using the volt free
alarm relay output (MF).
l1 and C to be bridged.
Normally open Solenoid valves
should be connected to the NC terminal instead
of the NO terminal.
IMPORTANT
The alarm relay output (MF) uses the normally closed contact (NC)
instead of the normally open contact (NO).