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Metal-sheet Double-feed Detector GD (Discontinued Products)

Specifications

Sensor heads

Type Small object detection High precision Long sensing range
Model No. GD-3 GD-10 GD-20
Applicable controllers GD-C3 GD-C1, GD-C2, GD-C3 GD-C1, GD-C2
Sensing range
(between sensor heads)
10 mm 0.394 in or less 30 mm 1.181 in or less 70 mm 2.756 in or less
Detectable sheet thickness (Note 2) Standard sensing object size: 20 x 20 mm 0.787 x 0.787 in Standard sensing object size: 80 x 80 mm 3.150 x 3.150 in Standard sensing object size: 200 x 200 mm 7.874 x 7.874 in
  Setting distance 5 mm
0.197 in
10 mm
0.394 in
20 mm
0.787 in
30 mm
1.181 in
35 mm
1.378 in
70 mm
2.756 in
Material Applicable
controllers
Iron
(SPCC)
GD-C1/C2 - - 0.07 to 1 mm
0.003 to 0.039 in
0.07 to 0.5 mm
0.003 to 0.020 in
0.07 to 10 mm
0.003 to 0.394 in
0.07 to 6 mm
0.003 to 0.236 in
GD-C3 0.01 to 0.1 mm
0.0004 to 0.004 in
0.03 to 0.1 mm
0.001 to 0.004 in
0.01 to 0.3 mm
0.0004 to 0.012 in
0.01 to 0.1 mm
0.0004 to 0.004 in
- -
Aluminum GD-C1/C2 - - 0.03 to 6 mm
0.001 to 0.236 in
0.03 to 2 mm
0.001 to 0.079 in
0.03 to 10 mm
0.001 to 0.394 in
0.03 to 6 mm
0.001 to 0.236 in
GD-C3 0.015 to 1 mm
0.001 to 0.039 in
0.015 to 1 mm
0.001 to 0.039 in
0.015 to 1 mm
0.001 to 0.039 in
0.015 to 1 mm
0.001 to 0.039 in
- -
Copper GD-C1/C2 - - 0.03 to 6 mm
0.001 to 0.236 in
0.03 to 2 mm
0.001 to 0.079 in
0.03 to 10 mm
0.001 to 0.394 in
0.03 to 6 mm
0.001 to 0.236 in
GD-C3 0.018 to 1 mm
0.001 to 0.039 in
0.018 to 0.3 mm
0.001 to 0.012 in
0.018 to 1 mm
0.001 to 0.039 in
0.018 to 1 mm
0.001 to 0.039 in
- -
Brass GD-C1/C2 - - 0.03 to 6 mm
0.001 to 0.236 in
0.03 to 2 mm
0.001 to 0.079 in
0.03 to 10 mm
0.001 to 0.394 in
0.03 to 6 mm
0.001 to 0.236 in
GD-C3 0.03 to 1 mm
0.001 to 0.039 in
0.03 to 0.5 mm
0.001 to 0.020 in
0.01 to 1 mm
0.0004 to 0.039 in
0.01 to 1 mm
0.0004 to 0.039 in
- -
Stainless steel
(SUS304)
GD-C1/C2 - - 0.1 to 6 mm
0.004 to 0.236 in
0.1 to 2 mm
0.004 to 0.079 in
0.1 to 10 mm
0.004 to 0.394 in
0.1 to 6 mm
0.004 to 0.236 in
GD-C3 0.3 to 1 mm
0.012 to 0.039 in
0.3 to 1 mm
0.012 to 0.039 in
0.05 to 2 mm
0.002 to 0.079 in
0.05 to 1 mm
0.002 to 0.039 in
- -
Protection IP67 (IEC) IP67 (IEC), IP67G
Ambient temperature -10 to +60 ℃ +14 to +140 ℉,
Storage: -25 to +70 ℃ -13 to +158 ℉
Ambient humidity 45 to 85 % RH, Storage: 35 to 95 % RH
Vibration resistance 10 to 55 Hz frequency, 1.5 mm 0.059 in double amplitude in X, Y and Z directions for two hours each
Shock resistance 1,000 m/s2 acceleration (100 G approx.) in X, Y and Z directions three times each
Material Enclosure: Stainless steel (SUS303), Sensing face: ABS Enclosure: Polyalylate Sensing face: Polyacetal, Main body: Stainless steel
Cable Sender: 0.3 mm2 single core shielded cable, 3 m 9.843 ft long
Receiver: 0.1 mm2 2-core shielded cable, 3 m 9.843 ft long
Sender: 0.5 mm2 single core shielded cable, 3 m 9.843 ft long
Receiver: 0.3 mm2 2-core shielded cable, 3 m 9.843 ft long
Cable extension Extension up to total 20 m 65.617 ft is possible with an equivalent shielded cable.
Weight Net weight: 90 g approx. Net weight: 80 g approx. Net weight: 440 g approx.
Accessory - Sensor head mounting bracket: 1 set for sender and receiver -

Note 1 :Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.
Note 2 :The above detectable sheet thicknesses are typical data at the given sensing distance. The allowable thickness will differ from the range described in the above table at other setting distances. Further, double feeds of aluminum foils can also be detected at distances shorter than the above.
Please contact our office for details.

Controllers

Type Standard With RS-232C communication function Small object detection
Model No. GD-C1 GD-C2 GD-C3
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 12 V DC: 700 mA or less, 24 V DC: 400 mA or less
Outputs
OUT-1, OUT-2, ALM.
Answer-back
NPN open-collector transistor
・Maximum sink current: 100 mA
・Applied voltage: 30 V DC or less (between output and 0 V)
・Residual voltage: 1 V or less (at 100 mA sink current)
0.4 V or less (at 16 mA sink current)
  Output operation OUT-1 OFF above the one-sheet threshold level
OUT-2 OFF above the two-sheet threshold level
A L M. OFF when an error occurs
Answer-back (ANS. OUT) Refer to the time chart. (Note 2)
Short-circuit protection Incorporated
Response time Automatically selected either 5 ms or less, or 30 ms or less, depending on the object 5 ms or less
Set level storage function Set values of eight channels stored
Set level teaching function Incorporated
External setting function Incorporated
Indicators Power Green LED (lights up when the power is ON)
Self-diagnosis (ALM.) Red LED (lights up during SET mode and when an error occurs during RUN mode)
Sensing mode (SENSE) 2-color indicator
(lights up green during normal sensing mode, but yellow during precise sensing mode)
Comparative output-1 (OUT-1) Green LED
(lights up when OUT-1 is OFF, and blinks twice on completion of 0-ADJ. or SET-1 setting in SET mode)
Comparative output-2 (OUT-2) Red LED
(lights up when OUT-2 is OFF, and blinks twice on completion of 0-ADJ. or SET-2 setting in SET mode)
Sensing level Yellow LED x 1 and green LED x 6 (indicate the sensing level)
Timer function Approx. 50 ms fixed delay timer (switchable either effective or ineffective)
Ambient temperature -10 to +50 ℃ +14 to +122 ℉ (No dew condensation or icing allowed), Storage: -25 to +70 C° -13 to +158 ℉
Ambient humidity 45 to 85 % RH, Storage: 35 to 90 % RH
Voltage withstandability 1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance 50 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance 10 to 55 Hz frequency, 0.75 mm 0.030 in double amplitude in X, Y and Z directions for two hours each
Shock resistance 300 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Material Heat-resistant ABS
Weight Net weight: 440 g approx.
Accessory Insulation plate: 2 pcs.

Note 1 :Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.
Note 2 :Time chart

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