E3C-LDA Series Photoelectric Sensors with Separate Digital Amplifiers (Laser-type Amplifier Units) 3
Amplifier Units
Note:Communications are disabled if super-high-speed mode is selected, and the mutual interference prevention function and the communica-
tions function for the Mobile Console will not function.
Type External-input models Twin-output models ATC-output models Analog-output models
Model NPN output E3C-LDA21 E3C-LDA7 E3C-LDA11 E3C-LDA6 E3C-
LDA11AT
E3C-LDA6AT E3C-LDA11AN
Item PNP output E3C-LDA51 E3C-LDA9 E3C-LDA41 E3C-LDA8 E3C-
LDA41AT
E3C-LDA8AT E3C-LDA41AN
Supply voltage 12 to 24 VDC
±10%, ripple (p-p) 10% max.
Power consumption 1,080 mW max. (current consumption: 45 mA max. at power supply voltage of 24 VDC)
Con-
trol out-
put
ON/OFF output 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.
Analog output --- Control output
Voltage output: 1 to 5 VDC (con-
nected load 10 k
Ω 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 .
Re-
sponse
time
Super-high-speed
mode
80
µs for operation and re-
set
100 µs for operation and reset
High-speed mode 250
µs for operation and reset
Standard mode 1 ms for operation and reset
High-resolution
mode
4 ms for operation and reset
Func-
tions
Differential detec-
tion
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.
Timer function 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)
Zero-reset Negative values can be displayed.
Initial reset Settings can be returned to defaults as required.
Mutual interference
prevention
Possible for up to 10 Units. (See note.)
Counter Switchable between up
counter and down counter.
Set count: 0 to 9,999,999
---
I/O settings External input setting (Se-
lect from teaching, power
tuning, zero reset, light OFF,
or counter reset.)
Output setting (Select from
channel 2 output, area out-
put, or self-diagnosis.)
Output setting (Select from
channel 2 output, area output,
self-diagnosis, or ATC error
output.)
Analog output setting (Offset volt-
age can be adjusted.)
Digital display Select from digital incident level + threshold or six other patterns.
Display orientation Switching between normal/reversed display is possible.
Ambient temperature range 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)
Ambient humidity range Operating and storage: 35% to 85% (with no condensation)
Insulation resistance 20 M
Ω at 500 VDC
Dielectric strength 1,000 VAC at 50/60 Hz for 1 min.
Vibration resistance Destruction: 10 to 150 Hz, 0.7-mm double amplitude for 80 min each in X, Y, and Z directions
Shock resistance Destruction: 500 m/s
2
, 3 times each in X, Y, Z directions
Degree of protection IP50 (IEC 60529)
Connection method Prewired cable or wire-reducing connector
Weight (packed state) With prewired cable: Approx. 100 g
With wire-reducing connector: Approx. 55 g
Materi-
als
Case Polybutylene terephthalate (PBT)
Cover Polycarbonate
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