Engine Start Interlock - Bosch Rexroth Marex SB Manual

3.6 Engine start interlock

single engine
supply -
battery
+
-
engine
The relay "start interlock" is closed whenever the active control head is in neutral or warming up (see
5.4 "warming up") is active.
Wiring control unit
engine start interlock via control unit
LED start interlock
If inductive loads shall be switched, these must be provided with a free-wheeling diode.
!
If not, the digital output may be destroyed.
Wiring I/O-extension board
configuration
start interlock
1
2
3
2
4
1
2
3
4
LED start-
interlock
If inductive loads shall be switched, these must be provided with a free-wheeling diode.
!
If not, the digital output may be destroyed.
shielded cable
type LIYCY
2
2 x 0,75 mm
+
starter-
engine
battery
-
connection to
I/O-extension board 1
2
max. 30 V DC
max. 0,5
1
A
shielded cable
type LIYCY
earthed at both ends
16
twin engine
1
2
+
+
-
-
+
engine
-
port starboard
connection to
I/O-extension board 2
potential-free
relay contact
when
closed ,
lever in neutral or
warming up active
potential-free
relay contact
max. 30V DC
max. 2 A
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shielded cable
type LIYCY
2
2 x 0,75 mm
earthed at both ends
configuration
start interlock
2
1
2
3
4
shielded cable
type LIYCY
2
2 x 0,75 mm
+
-
2
1
closed when,
lever in neutral or
Warming Up active
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