9
SLG 420
Operating instructions
Safety light grid
EN
4. Electrical connection
4.1 Wiring example default
5
Kn 1
Kn 2
S 1
K 1
K 2
6
1
8
2
7
3
4
Schüt
zkontr
olle/EDM
(RD)
DIAG
IN
(WH)
DIAG
IN
(GY)
DIAG
OUT
(PK)
Fr
eigabe
WA
(WH)
DIAG
OUT
(BK)
0
V
DC
(BU)
0
V
DC
(BU)
OSSD
1(
GN)
OSSD
2
(YE)
+2
4
V
DC
(BN)
+2
4
V
DC
(BN)
Brücke 1
Brücke 2
Erdung
E 1
Nur
für
Diagnose
1
2
3
4
DIAG IN (WH)
DIAG OUT
(BK)
Only for diagnostic
DIAG IN (GY)
Bridge 1
DIAG OUT
(PK)
+24 VDC (BN)
0 VDC (BU)
Release manual (WH)
Bridge 2
+24 VDC (BN)
Contactor control/EDM (RD)
OSSD 2 (YE)
OSSD 1 (GN)
0 VDC (BU)
Earth connection
Restart interlock (manual reset) (bridge 1)
By bridging DIAG IN (pin 5) and DIAG OUT (pin 6), the restart interlock
(manual reset) is activated.
Protective mode (bridge 2)
By bridging DIAG OUT (pin 6) and authorised operation (pin 1), the
protective mode is activated.
K1, K2:
Relay for processing the switching outputs OSSD
1,OSSD 2
Kn1, Kn2: Auxiliary contacts of the last switching relay (optional)
S1:
Command device for restart (optional)
E1:
Power supply 24 VDC ± 10%
To ensure correct functionality, an operating mode (restart
interlock or protective mode) must be selected.
Upon delivery, the "contactor control" function is deactiva-
ted. The function is activated by means of the NSR0801
BUS converter and the PC software.
4.2 Activation of the contactor control (EDM) without software
The contactor control can be activated without PC software as of firm-
ware version 1.23 in diagnostic mode by means of cable bridges (refer
to wiring diagram).
To activate the EDM function without PC software, proceed in the
following way: