Pepperl+Fuchs 3RG7256-3NQ00-PF Instructions De Service Et De Montage page 43

Mounting and
operating instructions
Optical data (typ.)
Operating range
Measuring range
Resolution
Linearity
Light used
Pulse width
Pulse repetition frequency
Max. pulse output
Size of light spot
Ambient light
Laser class
Electrical data (typ.)
Operating voltage U
B
Power consumption (no load)
Signal outputs
Output current Q , Q
1 2
Switching frequency Q
Response time Q , Q
1 2,
Maximum capacitive load Q
Pulse stretching Q , Q
1
Analogue output Q
A
Interface
Temperature drift
Protective circuits
VDE protection class *
Stand­by delay
Mechanical data (typ.)
Housing material
Front screen
Protection
Ambient temperature range
Storage temperature range
Connection
Weight
*1 at ambient temperature : +40 °C
*2 limit values
*3 recommended burden < 500 Ohm (apparent ohmic resistance )
*4 rating 50V DC
*5 with attached connector
3RG7256­3NQ00­PF Distance sensor ­ 068­13787 / 45­3489 ­ Stand: 03/2011
, Q
1 2
Q
A
, Q
1 2
2
4
250 to 750 mm
500 mm
<0.1% of measuring range
<0.25% of measuring range
Pulsed laser light, red 650 nm, MTBF>50,000h *1
Tp = 20 µs
f = 2.5 kHz
Pp = <1.65 mW
See Illustr. 4
Constant light 5000 lux as per EN 60947­5­2
2 (EN 60825/1)
2
18­30 V DC *
≤ 40 mA at 24 V DC
Q /Q (PNP, N.O./ N.C. selectable)
1 2
≤ 100 mA
≤ 1 kHz
0.4 ms (when averaging = off) / 4ms / 40ms
< 100 nF
50 ms (when activated)
3
4­20 mA*
RS485 half­duplex
< 0.02% / °C
Reverse battery protection, short circuit protection (not RS 485)
≤ 300 ms
PBT
PMMA
5
IP 67*
-10 to +60 °C
-20 to +80 °C
M12 connector, 8­pin
approx. 107 g
43