*2. These sensing distance values apply when a E39-R12 Reflector is used. The MSR function is built-in. The reflected light from the object being measured may affect
the sensing accuracy, so adjust the threshold value before use.
*3. The beam radius is the value for the middle measurement distance and indicates a typical value for the middle sensing distance. The radius is defined by light
intensity of 1/e
2
(13.5%) of the central light intensity.
Light will extend beyond the main beam and may be affected by conditions surrounding the object being measured.
*4. The E3C-LR12 has a fixed beam size (the focal point cannot be changed).
4
E3C-LDA
Amplifier Units
Type
External-input models
Standard models
Pre-wired
Model NPN output
Item
PNP output
Supply voltage
Power consumption
ON/OFF output
E3C-LDA21
E3C-LDA51
Wire-saving
connector
E3C-LDA7
E3C-LDA9
Twin-output models
Standard models
Pre-wired
E3C-LDA11
E3C-LDA41
Wire-saving
connector
E3C-LDA6
E3C-LDA8
Model for Sensor
Communications
Unit
E3C-LDA0
*1
ATC-output models
Standard models
Pre-wired
E3C-LDA11AT
E3C-LDA41AT
Wire-saving
connector
E3C-LDA6AT
E3C-LDA8AT
Analog-output
models
Standard models
Pre-wired
E3C-LDA11AN
E3C-LDA41AN
12 to 24 VDC
±10%,
ripple (p-p) 10% max.
1,080 mW max. (current consumption: 45 mA max. at power supply voltage of 24 VDC)
Load power supply voltage: 26.4 VDC max.; NPN/PNP (depends on model) open collector
Load current: 50 mA max.; residual voltage: 1 V max.
Control output
Voltage output: 1
to 5 VDC
(connected load
10 kΩ min.)
Temperature
characteristics
0.3% F.S./°C
Response time/
Repeat
accuracy
Super-high-
speed mode:
100
μs/4.0%
F.S.
High-speed
mode: 250
μs/
4.0% F.S.
Standard mode:
1 ms/2.0% F.S.
High-resolution
mode: 4 ms/
2.0% F.S.
---
100
μs
for operation and reset
Control output
Analog output
---
Response time
Super-highspeed
80
μs
for operation and reset
mode
*2
High-speed mode
250
μs
for operation and reset
Standard mode
High-resolution
mode
Differential
detection
Timer function
1 ms for operation and reset
4 ms for operation and reset
100
μs
for operation and reset
Switchable between single edge and double edge detection mode.
Single edge: Can be set to 250
μs,
500
μs,
1 ms, 10 ms, or 100 ms.
Double edge: Can be set to 500
μs,
1 ms, 2 ms, 20 ms, or 200 ms.
---
Select from OFF-delay, ON-delay, or one-shot timer.
1 ms to 5 s (1 to 20 ms set in 1-ms increments, 20 to 200 ms set in 10-ms increments, 200 ms to 1 s set in 100-ms increments, and 1 to
5 s set in 1-s increments)
Negative values can be displayed.
Settings can be returned to defaults as required.
Possible for up to 10 Units.
*2
Switchable between up counter
and down counter.
Set count: 0 to 9,999,999
External input setting (Select from
teaching, power tuning, zero reset, light
OFF, or counter reset.)
Output setting (Select from channel 2 output, area
output, or self-diagnosis.)
---
Output setting (Select from channel 2
output, area output, self-diagnosis, or
ATC error output.)
Analog output setting
(Offset voltage can be
adjusted.)
Functions
Zero-reset
Initial reset
Mutual interference
prevention
Counter
I/O settings
Digital display
Display orientation
Ambient temperature
range
*3
Ambient humidity range
Insulation resistance
Dielectric strength
Vibration resistance
*4
Shock resistance
*5
Degree of protection
Connection method
Weight
(packed state)
Materials
Case
Cover
Select from digital incident level + threshold or six other patterns.
Switching between normal/reversed display is possible.
Operating: Groups of 1 to 2 Amplifiers:
−25°C
to 55°C, Groups of 3 to 10 Amplifiers:
−25°C
to 50°C, Groups of 11 to 16 Amplifiers:
−25°C
to 45°C
Storage:
−30°C
to 70°C (with no icing)
Operating and storage: 35% to 85% (with no condensation)
20 MΩ at 500 VDC
1,000 VAC at 50/60 Hz for 1 min.
Destruction: 10 to 55 Hz with a 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Destruction: 500 m/s
2
, 3 times each in X, Y, and Z directions
IP50 (IEC 60529)
Pre-wired or wire-saving connector
*6
Pre-wired Models: Approx. 100 g
Wire-saving Connector Models: Approx. 55 g
Sensor Communications Unit Connector Models: Approx. 55 g
Polybutylene terephthalate (PBT)
Polycarbonate
*1. This model allows you to use an E3X-ECT EtherCAT Sensor Communications Unit or E3X-CRT CompoNet Sensor Communications Unit.
*2. Communications are disabled if super-high-speed mode is selected, and the mutual interference prevention function and the communications function for the
Mobile Console will not function.
*3. The following temperature ranges apply when an E3X-ECT EtherCAT or E3X-CRT CompoNet Sensor Communications Unit is used with the E3C-LDA0: Groups
of 1 or 2 Amplifier Units: 0 to 55°C, Groups of 3 to 10 Amplifier Units: 0 to 50°C, Groups of 11 to 16 Amplifier Units: 0 to 45°C, Groups of 17 to 30 Amplifier Units
(with the E3X-ECT): 0 to 40°C.
*4. The vibration resistance of the E3C-LDA0 is as follows: Destruction: 10 to 150 Hz with a 0.7-mm double amplitude for 80 min each in X, Y, and Z directions.
*5. The shock resistance of the E3C-LDA0 is as follows: Destruction: 150 m/s
2
, 3 times each in X, Y, and Z directions.
*6. A connector for a Sensor Communications Unit is used to connect the E3C-LDA0.
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