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| Safety Light curtains |
ILCT |
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Areas of application:
- Wood processing machines
- packaging machines
- Textile machine
- storing and materials-handling technology
- Automatic placement machines
- revolving machines
- Palleting machines
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The light correspond to the following safety regulations.
- Safety category 2 (EN 954-1 und IEC 61496 Part1 +Part2 bzw. EN 61496)
- deployable to SIL 1 (EN 61508)
- Performance Level PL c (ISO 13849-1) |
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- Integrated control-unit with contactor control and restart can be programmed without a PC
- Contactor/valves directly connectablly, switching capacity 0,5A/24V
- Smallest safety distances by short response times 4 ms to 29 ms, depending of the protection high
- Finger and hand protection with up to 5m protective width(resolution 14 mm and 30 mm)
- Protection heights from 100mm to 1500 mm in steps of 100 mm
- Microcontroller monitoring of the safety functions (self-monitored)
- Semiconductor outputs with short-circuit and crossconnection monitoring
- Integrated self-diagnosis with a fault indication by 7-digit display
- Optional safety switchgears permit muting and clocked operation
- Direct connection via M12 connector
- Compact design 25 x 35 mm w/ flexible fastening by tenon blocks and protection category IP 65
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TLCT/ILCT safety light curtains each comprise two components:
Light transmitter and light receiver.
The clearance between these two components and the installation height
determine the width and height of the protective field (Figure 5/1).
Modular design permits realization of protective field heights ranging
from 100 mm to 1500 mm in 100-mm steps.
The transmitter generates infrared light beams in rapid pulses. These
parallel light beams are analyzed by two single-chip controllers in the
transmitter.
The beam spacing determines the resolution. If an object enters the
protective field, i.e. if at least one light beam is interrupted, the
receiver's two outputs stop the machine or prevent it from starting,
thus avoiding hazards.
In the restart with interlock operating mode, the machine can only be
restarted by means of the start button once the protective field has
been cleared again. |
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Assembly |
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The
TLCT/ILCT can be mounted on the side or the rear with the help of the
accompanying swivel fixtures. A long and a short swivel fixture are
included.
Optional:
Another means of mounting
is to position a block(available from Fiessler Elektronik) in the slot
on the rear of the TLCT/ILCT.
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Lateral mounting |
Rear mounting |
Optional mounting |
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Operating mode |
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ILCT |
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+ |
+ |
+ |
+ |
Finger protection(resolution14 mm) |
+ |
- |
+ |
- |
Hand protection(resolution 30 mm) |
+ |
+ |
+ |
+ |
EDM - Contactor control |
+ |
+ |
+ |
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RES - restart interlock |
+ |
+ |
+ |
+ |
Cascaded |
- |
+ |
- |
+ |
Blanking |
- |
+ |
- |
+ |
Reduced resolution |
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Muting |
with a voltage supply ULSG(potential free Outputs) or Contact extension FSEM |
Relay output optional |
with a controller PLSG3K or Programmable Safety Center FPSC |
Cyclical control 1 - 4 cycl |
Emergency-stop circuit monitor |
Door switch monitoring |
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technical data |
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Transmitter ILCT - S |
Receiver TLCT - E / ILCT - E |
| Supply voltage |
24 V DC + 20 % - 15 % SELV, PELV |
24 V DC ± 20% SELV, PELV |
| Current consumption |
max. 250mA |
max. 250 mA (without load) |
| Outputs |
- |
OSSD 1 and 2: Fail-safe PNP outputs with short-circuit and
cross-connection monitoring.
Output current: min. 0 mA: max. 0.5 A
Max. output current in the inactive state: 50 μA
Max. voltage in the inactive state: 0.9 V
Max. capacitive load: 1 μF |
| Inputs |
- |
Contactor control (EDM) and start button
0 V to 24 V DC ± 20 %, max. 5 mA |
| Electrical connection |
M12 plug connector, 4-pole |
M12 plug connector, 8-pole |
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Implementation |
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ULCT / 14 mm resolution(finger protection)
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System:
Protective field height/Beam count |
Reaction time (ms) |
Length (mm) |
ULCT 100/12 |
5 |
161 |
ULCT 200/24 |
6 |
261 |
ULCT 300/36 |
7 |
361 |
ULCT 400/48 |
8 |
461 |
ULCT 500/60 |
9 |
561 |
ULCT 600/72 |
10 |
661 |
ULCT 700/84 |
11 |
761 |
ULCT 800/96 |
12 |
861 |
ULCT 900/108 |
13 |
961 |
ULCT 1000/120 |
14 |
1061 |
ULCT 1100/132 |
15 |
1161 |
ULCT 1200/144 |
17 |
1261 |
ULCT 1300/156 |
18 |
1361 |
ULCT 1400/168 |
19 |
1461 |
ULCT 1500/180 |
20 |
1561 |
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Download |
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BLPG/BPSG |
Operating Instructions: Programming devices for ILCT |
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ILCT |
Selection table Lightcurtain |
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ILCT |
Appliance descrition |
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ILCT |
Operating Instructions |
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ILCT 100 - 1500 |
Housing design / CAD formats stp,igs,dxf,dwg |
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