
16
English
opening closing 1 2
stationary
Stationary Opening
Stationary Closing
Transmit Closing
Transmit Opening
STOP
Opening STOP
Closing
STATIONARY
Opening Closing 1 2 3
TRANSMIT 24V AC/DC PE L1 N
Power
2
2
2
5. System components fitted to the gate
2
4
3
Gate opens
Gate closes
SCE
OPEN
mo
vemen
t
SCE
OPEN
mo
vemen
t
SCE
OPEN
mo
vemen
t
SCE
CL
OSE
mo
vemen
t
SCE
CL
OSE
mo
vemen
t
SCE
CL
OSE
mo
vemen
t
1 ISK 74-312 control device
2 Stationar�� coil core
3 Travelling coil core
4 Steel cable acting as transmission medium
Example of use
The actual arrangement of the individual components
depends on the design of the gate in question and the
conditions at the installation site.
6. Device overview
6.1 Mechanical mounting
.1 Mechanical mounting
Mechanical mounting
Pol��carbonate housing with screw connections for on-wall mounting in harsh environments.
The switching unit is to be professionall�� mounted at a suitable location. After removing the cover, the housing
can be mounted with four screws.
The switching unit ma�� be mounted in an�� orientation. To prevent moisture penetration, it should, however,
be installed so that the cable conduits point downward.
6.2 Signal Indicators
LED
SCE Stationary open
(red)
actuated (on) - interrupted (flashes)
LED
SCE Stationary close
(red)
actuated (on) - interrupted (flashes)
LED
SCE Transmit open
(red)
actuated / interrupted (on)
LED
SCE Transmit close
(red)
actuated / interrupted (on)
LED
POWER
(green)
Functional test (off briefl��)
Error message (pulse output)
1
ISK 74-312 Inductive Safety Relay
74-312 Inductive Safety Relay
Inductive Safety Relay
Relay