107031-23 EN FR26 GLO 1199 Printed in France
57
IMPROPER USE OF THE FF-SYA LIGHT CURTAIN
•
The loads impedance allowed by the FF-SYA failsafe static outputs must be 55.2
Ω
minimum and 5k
Ω
maximum. The turn-on voltage must be greater than 5 V on
resistive loads or greater than 5 V on resistive loads or greater than 7 V on inductive
loads.
•
The maximum cable length between the FF-SYA static outputs and the loads mainly
depends upon the loads resistance : the cable length must be L
cable
≤
50000 / R
load.
•
If the FF-SYA light curtain outputs are connected on safety relays with
mechanically linked contacts, the maximum cable length between the FF-SYA
outputs and the relays is greater than 100 m.
•
If the SYA light curtain outputs are connected to the FF-SRM muting module,
the maximum cable length between the FF-SYA outputs and the muting
module is 50 m.
•
If the FF-SYA light curtain ouputs are connected to the FF-SRS5939 safety
control module, the maximum cable length between the FF-SYA outputs and
the control module is 50 m (for cable length greater than 10 m, use a cable
with a 20pF / m capacitance per unit length).
•
The cycle-start push-button is the normal push-button used to start the machine cycle
and not an additional button for the operator.
•
The cross-monitoring of the FF-SYA static outputs is based upon a self-checking
principle which guarantees the detection of an output short-circuit and the detection of
a short-circuit between the outputs (cross-fault detection). The FF-SRS5939 interface
control module is primarily designed to be interfaced with Honeywell fail-safe static
outputs. Compatibility with any other emergency stop relay module is not guaranted.
Figure 4-8 Wiring Diagram using the FF-SRS59392 safety relay module
(DC+)
FF-SYA
emitter
1
2
(DC-)
FF-SYA
receiver
1
2
4
FF-SRS59392
relay module
K
1
K
2
Signalling
contact
NO
P/
B
Neutral
(DC-)
Emergency stop
Push-button
5
X3
X1
X2
O
SSD2
O
SSD1
3
Phase
(DC+)
(1)
K3
FSD
Fuse
S22
S12
internal
fuse
A1(+)
A2(-)
31
23
13
32
24
14
Y2
S34/Y1
S33
K4
FSD
(1)
Fuse
K3
K4
internal
fuse
internal
fuse
4
5
Optional test
input
(or
jumpered)
Fuse
Fuse
Fuse
Fuse
Single channel
machine control circuit
Phase
(DC+)
Fuse
K3
K4
Neutral
(DC-)
OR
Dual channel
machine control circuit
(recommended circuit)
Phase
(DC+)
Fuse
K4
Fuse
K3
Neutral
(DC-)
(*)
(*)
(+)
(-)
6
(1) : arc suppressors (220
Ω
+ 0.22 µF), NO P/B: cycle-start push button (Normally
open contact)
(*) : use pin 3 for the FF-SYA
qqqqq
Q2E emitter and pin 7 for the FF-
SYA
qqqqq
Q2R receiver
Figure 4-9 Wiring Diagram using three independent stop circuit safety relays
Содержание SYA14 Series
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