Honeywell SYA14 Series Manual page 61

Figure 4-12 Connection of Two Safety Light Curtains
(using independent stop circuit safety relays)
Five safety relays, K1, K2, K3, K4 and K5 are used as follows:
(DC+)
1A
Fuse
1
internal
4 (+)
fuse
K4
K3
FF-SYA
K5
emitter A
(-)
5 (*)
2
(DC-)
(DC+)
1A
Fuse
1
(+) internal
4
fuse
K1
K3
FF-SYA
K2
emitter B
(-) (*)
5
2
(DC-)
(1) : 31Vdc varistors
(*) : use pin 3 for the FF-SYAqqqqqQ2E emitter and pin 7 for the FF-SYAqqqqqQ2R
receiver
IMPROPER CONNECTION OF LOAD
For safety reasons, the loads must be connected connected between terminals 4-6 and
between terminals 5-6 .
Failure to comply with these instructions could result in death or serious injury.
If the sensing field of one safety light curtain is interrupted, the other goes immediately
into the RED condition.
107031-23 EN FR26 GLO 1199 Printed in France
1A 1.5A max
Fus
Fuse Fuse
e
NO P/
B
1 3
K1
FF-SYA
internal
fuse
A
(*) receiver
K2
2 6 4 5
K3
K4
K3 K1 K3 K2
(1) (1)
K5
K2
K1
FSD FSD
K1
(1)
K2
K3
1A 1.5A max
Fuse Fuse
K3
1 3
internal
fuse
K4
FF-SYA
(*) B
receiver
K5
2 6 4 5
K3 K4 K3 K5
(1) (1)
Stopping
K5
K4
valve
FSD FSD
61