AutomationDirect Light Curtain Controller User Manual
1-800-633-0405
For the latest prices, please check AutomationDirect.com.
Dold Safety Relays – Light Curtain Controller
Designed to protect people and machinery in applications with light curtains.
• For light curtains with symmetric or asymmetric outputs,
adjustment with switch S1
• Output: 3 N.O. and 1 N.C. contacts
• Line fault detection for ON-button
• LED indicators for power and state of operation
• Single and 2-channel operation
Safety Relays Selection Chart
Part Number Price Marking Type Voltage Outputs
LG5925-48-900-61
$124.00 Light curtain controller, 2-channel 24 VDC 3 N.O. and 1 N.C.
2-Channel Light Curtain Controller Specification Table
General Specifications
Temperature
Altitude
Vibration Resistance
Degree of Protection
Housing
Weight
Agency Approvals and Standards
Terminal Designation per EN 50 005 Wire Connections
Wire Fixing
Nominal Voltage
Voltage Range
Maximum Consumption
Control Voltage - S11
Control Current on S12, S22
Minimum Voltage on Terminals S12, S22(when relay activated)
Short Circuit Protection
Overvoltage Protection
Electrical Contact Life
Mechanical Life
Contact Type
Operate Delay
Release Delay
Nominal Output Voltage
Thermal Current (I
th)
Switching of Low Loads
Short Circuit Strength
Switching Capacity
Switching Frequency
1x4 mm2 solid or 1 x 2.5 mm2 stranded ferruled (isolated) or 2 x 1.5 mm2 stranded ferruled (isolated) DIN 46
Input Specifications
Output Specifications
Storage: -25°C to 85°C (-13°F to 185°F) Operating: -15°C to 55°C (5°F to 131°F)
Amplitude: 0.35mm, Frequency: 10 to 55 Hz (IEC/EN 60-068-2-6)
228-1/-2/-3/-4 or 2 x 2.5 mm2 stranded ferrruled DIN 46 228-1/-2/-3
Terminal screws M3.5 box terminals with wire protection or cage clamp terminals.
Internal with PTC (Positive Temperature Coefficient resistor)
To 5 A, AC 230V: >.5 x 105 switching cycles IEC/EN 60 947-5-1
3 N.O. positively driven and 1 N.C. relay contacts, (N.O. contacts are safety contacts)
Operate delay typ at UN: manual start 20 ms; automatic start: 350 ms.
Release delay typ. at U
AC: 250V; DC: See continuous current limit curve in installation manual.
Max. 8A per contact. See continuous current limit curve in installation manual.
Max fuse rating:10A gl (IEC/EN 60 9470-5-1); Line circuit breaker: B 6 A
AC 15: N.O. contacts: 3A/230V; N.C. contacts: 2A/230V AC
DC 13: N.O. contacts: 4A/24V AC, 0.5A/110V AC; N.C. contacts: 4A/24V DC
Per IEC/EN 60 529. Housing: IP40; Terminals IP20
UL 94V-0 Thermoplastic; Din mount 35 mm x 7.5 mm
Internal VDR (Voltage Dependent Resistor)
: Disconnecting the supply: 20 ms.; Disconnecting S12, S22: 15 ms.
N
M100 mV; (contacts with 5µ Au) M 1 mA
Safety Data – Values per EN ISO 13849-1
Category 4 according to EN 954-1
Performance level PLe according to EN 13849-1
MTTF
DC
avg
d
584.5 years
99%
Safety Data –
Values per IEC/EN 62061 /IEC/EN 61508
SIL CL
SIL
HFT (Hardware Failure Tolerance)
DC
avg
SFF
PFH
D
< 2,000 meters
220 g (7.76 oz.)
cULus file E107778, CE, RoHS, TUV
24V DC
At 5% residual ripple: 0.9 to 1.1 U
DC approx. 1.7 W
UN: 22.5V DC
35 mA at U
N
21V DC
20 x 106 switching cycles
Max. 1,200 switching cycles/hr
N
3 per IEC/EN 62061
3 per IEC/EN 61508
1
99%
99.7%
2.66E-10 h
-1
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Safety Electrical Components
tESC-292
L1(+)
Contact reinforcement and contact extension by external contactors
Note: Refer to "Unit programming"
Set switches or dip switches in position:
S1: With symmetric outputs on light curtain, switch S1 in position “without.”
With asymmetric outputs on light curtains, switch S1 in position “with.”
S2: "manual"
1-800-633-0405
For the latest prices, please check AutomationDirect.com.
Dold Safety Relays – Light Curtain Controller
Wiring
LG5925-48-900-61 Block Diagram
Dimensions mm [in]
A1(+)A2(-) S11
Overvoltage and
shortcircuit prot.
S21
Applications
L1(+)
S12S22 S33S34 33 412313
Monitoring logic
24V
A1(+)
A2(-)
K2
Power
start
S11S33
S21
K1
receiver
S34
LG5925__/900
K1
K2
K1K2
S12S22
34 422414
light curtain
transmitter
..
13
..
14
receiver
start
A1(+)
A2(-)
S11S33
S21
..
..
S34
S12S22
LG5925__/900
lightcurtain
transmitter
..
13
..
14
..
..
L2(-)
Single channel connection of light curtains with self-test
according to EN 61 496-1.
Note: Refer to "Unit programming"
Set switch or dip switches in position:
S1 "without"
S2 "manual"
With autostart link S33 - S34 set to "automatic."
L2(-)
2 channel connection of light curtains with self-test
according to EN 61 496-1.
Cross fault detection in the light curtain.
Note: Refer to "Unit programming"
Set switch or dip switches in position:
S1: With symmetric outputs on light curtain, switch S1 in position "without."
L1(+)
W i t h asymmetric outputs on light curtains, switch S1 in
S2: "manual"
Receiver
L3
Si Si Si Si
Start
A1(+)
S11S33
A2(-)
S21
N(-)
K3
K4
S34
S12S22
LG5925.__/900
K3 K3
13 23
K1
K2
L4
position "with."
Sender
Light curtain
K4
..
24..14
K4
*Note: When switching inductive loads, surge suppressors are recommended.
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Safety Electrical Components
tESC-293
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