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Designed for industrial radio-frequency identification systems, this Omron V680-HS51 electromagnetic inductive read/write head provides high-reliability non-contact data transmission within heavy-duty manufacturing environments. Operating at the standard high-frequency band, this industrial RFID antenna features an M12 cylindrical housing that allows for compact, space-restricted installation directly on automated machinery. The unit comes equipped with an integrated 2-meter high-flexibility coaxial connection cable, ensuring robust signal integrity and resistance to mechanical wear during continuous operation. With its oil-resistant engineering-grade construction, the device is optimized for harsh shop floors, conveyor lines, and CNC machining centers requiring rapid, accurate workpiece and tool identification.
| Parameter / Specification | Value / Rating |
|---|---|
| Manufacturer | Omron Corporation |
| Model Number | V680-HS51 |
| Series | V680 Industrial RFID System |
| Form Factor | Cylindrical, M12 x 1.0 Threaded |
| Operating Frequency | 13.56 MHz |
| Cable Length | 2 meters |
| Ambient Operating Temperature | -10 degC to 60 degC (with no icing) |
| Ambient Storage Temperature | -25 degC to 75 degC (with no icing) |
| Insulation Resistance | 20 MOhm minimum (at 500 VDC) between cable terminals and case |
| Shock Resistance | 1000 m/s² (approx. 100G) in X, Y, and Z directions (3 times each, 18 total) |
| Vibration Resistance | 10 to 2000 Hz, 1.5-mm double amplitude at 150 m/s² acceleration, 10 sweeps in X, Y, and Z directions for 15 minutes each |
| Degree of Protection | IP67 (IEC 60529), IP67G (JIS C 0920 oil-resistant) |
| Compatible Tag Models | V680-D1KPxx, V680-D2KFxx (depending on application range requirements) |
| Shipping Weight (Calculated) | 1.0 kg |
| Package Dimensions (Calculated) | 160 mm x 160 mm x 60 mm |
The V680-HS51 is the highly compact M12 threaded member of the V680 antenna family. For applications requiring larger read/write ranges, specify the M18-threaded V680-HS52 or the square V680-HS63. This antenna interfaces seamlessly with standard V680 controller modules (such as the V680-CA5D01-V2) and device net/Ethernet interfaces via the V680-HA11A amplifier. Ensure compatibility of tag memory sizes (1k-byte vs. 2k-byte/32k-byte Fram tags) as performance distances depend directly on the antenna-tag combination.
When embedding the M12 antenna head into metallic brackets, a strictly non-metallic surrounding area is required to prevent detuning of the internal coil. Mounting this antenna flush in ferrous metals without the proper radial clearance (minimum 10 mm recommended) will alter the resonant frequency, severely dropping the read/write communication range. Additionally, do not pull or stress the junction point between the cylindrical head and the cable sheath during installation to maintain water and oil-tight integrity.
To eliminate electromagnetic coupling and communication dropouts, route the 2-meter antenna coaxial cable away from high-power AC motor drives, servo supply lines, and 480V distribution conduits. If the application demands dynamic movement, do not bend the cable below its minimum dynamic bending radius of 30 mm. Secure the antenna thread using the provided brass nuts, ensuring torque does not exceed 10 N-m to avoid stripping or cracking the internal housing.
CRITICAL SAFETY WARNING
Disconnect all power from the RFID controller/amplifier system before connecting or disconnecting the antenna coaxial cable. Hot-plugging the antenna can cause inductive voltage spikes that may permanently damage the sensitive RF frontend of the controller or degrade the antenna's internal matching network.
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Returns & Warranty

Designed for industrial radio-frequency identification systems, this Omron V680-HS51 electromagnetic inductive read/write head provides high-reliability non-contact data transmission within heavy-duty manufacturing environments. Operating at the standard high-frequency band, this industrial RFID antenna features an M12 cylindrical housing that allows for compact, space-restricted installation directly on automated machinery. The unit comes equipped with an integrated 2-meter high-flexibility coaxial connection cable, ensuring robust signal integrity and resistance to mechanical wear during continuous operation. With its oil-resistant engineering-grade construction, the device is optimized for harsh shop floors, conveyor lines, and CNC machining centers requiring rapid, accurate workpiece and tool identification.
| Parameter / Specification | Value / Rating |
|---|---|
| Manufacturer | Omron Corporation |
| Model Number | V680-HS51 |
| Series | V680 Industrial RFID System |
| Form Factor | Cylindrical, M12 x 1.0 Threaded |
| Operating Frequency | 13.56 MHz |
| Cable Length | 2 meters |
| Ambient Operating Temperature | -10 degC to 60 degC (with no icing) |
| Ambient Storage Temperature | -25 degC to 75 degC (with no icing) |
| Insulation Resistance | 20 MOhm minimum (at 500 VDC) between cable terminals and case |
| Shock Resistance | 1000 m/s² (approx. 100G) in X, Y, and Z directions (3 times each, 18 total) |
| Vibration Resistance | 10 to 2000 Hz, 1.5-mm double amplitude at 150 m/s² acceleration, 10 sweeps in X, Y, and Z directions for 15 minutes each |
| Degree of Protection | IP67 (IEC 60529), IP67G (JIS C 0920 oil-resistant) |
| Compatible Tag Models | V680-D1KPxx, V680-D2KFxx (depending on application range requirements) |
| Shipping Weight (Calculated) | 1.0 kg |
| Package Dimensions (Calculated) | 160 mm x 160 mm x 60 mm |
The V680-HS51 is the highly compact M12 threaded member of the V680 antenna family. For applications requiring larger read/write ranges, specify the M18-threaded V680-HS52 or the square V680-HS63. This antenna interfaces seamlessly with standard V680 controller modules (such as the V680-CA5D01-V2) and device net/Ethernet interfaces via the V680-HA11A amplifier. Ensure compatibility of tag memory sizes (1k-byte vs. 2k-byte/32k-byte Fram tags) as performance distances depend directly on the antenna-tag combination.
When embedding the M12 antenna head into metallic brackets, a strictly non-metallic surrounding area is required to prevent detuning of the internal coil. Mounting this antenna flush in ferrous metals without the proper radial clearance (minimum 10 mm recommended) will alter the resonant frequency, severely dropping the read/write communication range. Additionally, do not pull or stress the junction point between the cylindrical head and the cable sheath during installation to maintain water and oil-tight integrity.
To eliminate electromagnetic coupling and communication dropouts, route the 2-meter antenna coaxial cable away from high-power AC motor drives, servo supply lines, and 480V distribution conduits. If the application demands dynamic movement, do not bend the cable below its minimum dynamic bending radius of 30 mm. Secure the antenna thread using the provided brass nuts, ensuring torque does not exceed 10 N-m to avoid stripping or cracking the internal housing.
CRITICAL SAFETY WARNING
Disconnect all power from the RFID controller/amplifier system before connecting or disconnecting the antenna coaxial cable. Hot-plugging the antenna can cause inductive voltage spikes that may permanently damage the sensitive RF frontend of the controller or degrade the antenna's internal matching network.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Japan
|