Honeywell SYA14 Series Manual page 614

Muting of a safety light curtain on a mechanical press (using 2 sensors)
IMPROPER INSTALLATION
For sensor installation, strictly adhere to instructions given in chapter 3.2.2 Use in the press
mode.
Failure to comply with these instructions could result in death or serious injury.
Figure 4.23 : Muting of a safety light curtain on a mechanical press (using two
sensors)
+24Vdc (+/-15%)
0.5A
2.5A
(1)
SSD
K3
K3
(1)
ESPE test
input (3)
K1
(+) (-) restart
contact
K2
32 31 30 29 28 27 26
+ -
+24V SSD SSD
OUTPUT MONITOR TEST RESTART
OSDs
RESTART MUTING
STATUS
RESET
GUARD OSDs
POWER
ONLY - STATUS
+24V OV MUTING RESTART OSD 2
MUTING
LAMP STATUS
1 2 3 4 5 6 7
(1)
0V
(1) varistor
(2) the ESPE must be set in the automatic restart mode
(3) Comply with the ESPE test input polarity and correct test contact
(ST2 switch)
SSD relay possibly used for machine power shutdown
FSD relays used for emergency stop in the machine control circuit
ESPE OSSD1 light curtain normally open contact
ESPE OSSD2 light curtain normally open contact
Restart contact restart is achieved 30ms after release
P/B1 & P/B2 for the override function
SM1 & SM2 start and end muting sensors (ST3 switches)
80
ESPE
sensor
Push -
OSSD1
SM1
button
(2)
P/B1
Press cycle
start
FSD
K1
25 24 23 22 21 20 19 18 17
+ - + + -
+ - -
OSD 1 0.1s < t < 1s
SM 1 EM 1 OSSD 1 P/B 1
FF - SRM
Honeywell
SM 2 EM 2 OSSD 2 P/B 2
+ - + - + -
+ -
8 9 10 11 12 13 14 15 16
ESPE Push -
sensor
OSSD2
button
SM2
(2)
P/B2
FSD
K2
see chapter 6.2
see ESPE installation manual
see ESPE installation manual
and chapter 4.5.2.
see chapter 4.7..3
see chapter 4.7..2
see chapter 4.5.1
see chapter 4.5..1
see chapter 4.8..2
see chapter 4.8.1.
see chapter 4.6.1.
107004-15 EN FR26 ROW 0899 Printed in France
Dual channel
machine control circuit
(recommended circuit)
Phase
(DC+) Press
cycle
start
Fuse Fuse
K1 K1
K2 K2
Neutral
(DC-)
OR
Single channel
machine control circuit
Phase
(DC+) Press
cycle
start
Fuse
K1
K2
Neutral
(DC-)