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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
µ
s/
4.0% F.S.
High-speed mode: 250
µ
s/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
µ
s for operation and re-
set
100
µ
s for operation and reset
High-speed mode
250
µ
s 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
µ
s, 500
µ
s, 1 ms, 10 ms, or 100 ms.
Double edge: Can be set to 500
µ
s, 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