Omron GD-C1 — Metal Overlap Detector Controller
SKU: GD-C1USD 655.00
GD-series metal double-sheet overlap detector controller, RS-232C, 12-24 VDC, 2 NPN outputs + alarm. Pairs with GD-3 / GD-10 / GD-20 heads.
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Product Overview
The Omron GD-C1 is the standard controller unit for the GD-series metal double-sheet overlap detection system. It is manufactured by Omron Corporation. Hengyixin Automation stocks this controller in Xiamen and ships within 3-5 business days; safety-rated components ship with a batch-trace certificate. It pairs with one of the GD detection heads (GD-3, GD-10, or GD-20 - sold separately) to detect single-sheet, double-sheet, and overlap conditions on metal feed lines. The controller runs on 12 to 24 VDC plus or minus 10 percent and provides RS-232C communication for parameter setup and process logging. Front-panel LEDs indicate power, self-diagnostic state, current detection level, and the state of OUT-1 / OUT-2 for easy commissioning without a PC. Key specs: Model GD-C1; Supply Voltage 12 to 24 VDC plus or minus 10 percent, ripple P-P 10 percent max; Current Consumption 700 mA max at 12 VDC, 400 mA max at 24 VDC; Outputs OUT-1 (single sheet), OUT-2 (double sheet), ALM (sensor fault), NPN open collector 100 mA max at 30 VDC max; Response Time 5 ms or 30 ms, auto-selected by target material; Setup Method Teach-in via front-panel buttons, 8-channel parameter memory; Communication RS-232C.
Key Features
- 50 ms fixed off-delay timer, switchable on or off
- ABS housing, approximately 440 g, DIN-rail or panel mount
- Teach-in sensitivity setup with 8-channel memory for different materials
- GD-series metal double-sheet overlap detector controller (standard type with RS-232C)
- SKU: GD-C1
- Series: GD-series metal overlap detector controllers
- Voltage: 12 TO 24 VDC
Best-Fit Applications
- Detecting overlap on a stack of lead frames entering assembly.
- Verifying foil thickness on a battery-tab feed line.
- Auditing aluminum-foil blister-pack loading on a pharma line.
Buying Checklist
- Choose GD-C3 (small-part) when the line carries parts too small for the GD-10 head.
- Choose GD-C2 (basic) when RS-232C parameter setup is not needed - the GD-C2 is the lower-cost basic variant.
- Allow for the 50 ms off-delay timer - faster lines need to disable the timer for accurate overlap detection.
Technical Specifications
| Model | GD-C1 |
|---|---|
| Series | GD-series metal overlap detector controllers |
| Supply Voltage | 12 to 24 VDC plus or minus 10 percent, ripple P-P 10 percent max |
| Current Consumption | 700 mA max at 12 VDC, 400 mA max at 24 VDC |
| Outputs | OUT-1 (single sheet), OUT-2 (double sheet), ALM (sensor fault), NPN open collector 100 mA max at 30 VDC max |
| Response Time | 5 ms or 30 ms, auto-selected by target material |
| Setup Method | Teach-in via front-panel buttons, 8-channel parameter memory |
| Communication | RS-232C for external setup and parameter logging |
| Off-Delay Timer | 50 ms fixed, switchable on / off |
| Compatible Heads | GD-3, GD-10, GD-20 detection heads (sold separately) |
| Housing / Rating | Heat-resistant ABS, approx 440 g, -10 to +50 degC operating |
FAQ for GD-C1
What detection heads work with the GD-C1 controller?
The GD-C1 accepts the GD-3, GD-10, and GD-20 detection heads. The GD-3 is the small-range head for thin metal foils down to 0.05 mm. The GD-10 is the standard 100 mm-range head for general sheet-metal applications. The GD-20 is the long-range head for thicker plates up to 6 mm. The head and controller are connected via the dedicated GD-series cable, available in 2 m, 5 m, and 10 m lengths.
What is the difference between GD-C1, GD-C2, and GD-C3?
All three are controllers for the GD-series metal overlap detector heads. The GD-C1 is the standard type with RS-232C communication for external setup and parameter logging. The GD-C2 is the basic type without RS-232C, set up via front-panel buttons only. The GD-C3 is the small-part detection variant with a tighter detection threshold for smaller parts. Pick GD-C1 for production lines that need external setup logging; pick GD-C2 for standalone cells with no PC link.
Can the GD-C1 detect non-metal materials?
No - the GD-series uses electromagnetic induction and is calibrated for ferrous and non-ferrous metals only. For paper, plastic, or cardboard overlap detection, use an ultrasonic double-sheet sensor such as the Microsonic DBK series or the Sick UD18. The GD-C1 will not detect non-conductive overlap.
How is sensitivity set on the GD-C1?
Use the teach-in routine via the front-panel buttons. Place a single sheet under the GD head, press SET-1, and the controller learns the single-sheet level. Place a double sheet, press SET-2, and the controller learns the double-sheet level. The eight memory channels store different setups for different materials - recall a channel with the rotary switch on the front panel.
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