What the SICK DOL-1208-G10MAC1 Cable Delivers in the Field

The SICK DOL-1208-G10MAC1 is a sensor-actuator connector cable with a straight 8-pin M12 female connector on head A and flying leads on head B. Its 10 m shielded PUR cable carries incremental and SSI encoder signals, and the assembly is rated IP67 for washdown-prone machine areas.

From a maintenance engineer's viewpoint, this cable is a service-friendly link between a field encoder and the cabinet. The straight M12 head threads onto standard 8-pin encoder ports, while the bare flying leads land directly in terminal blocks. Because the cable is shielded and the conductors are 0.25 mm², it suits low-level signal runs where electrical noise is a real concern.

Key Features and Technical Specifications

• Connector 1: Female connector, M12, 8-pin, straight.
• Connector 2: Flying leads (bare wires).
• Cable length: 10 m per ordering code.
• Conductor specification: 4 × 2 × 0.25 mm² (0.25 mm² conductors).
• Shielding: Shielded construction for signal integrity.
• Rated current: 2 A current loading.
• Operating temperature: −25 °C ... +80 °C for flexible use and head.
• Protection rating: IP67.
• Cable material: PUR, halogen-free, black; cable diameter 7 mm.
• Connector body: TPU with CuZn nickel-plated brass locking nut; tightening torque 0.5 N·m.
• Bending radius: Flexible use > 10 × cable diameter; stationary position > 5 × cable diameter; bending cycles > 2,000,000.

The temperature window is the parameter that most affects service life on a plant floor. At −25 °C ... +80 °C, This unit covers cold outdoor skids and warm machine enclosures alike. In addition, the PUR jacket resists the oils and coolants common in oil & gas maintenance bays, so the cable stays flexible where PVC would stiffen.

Why the Shielded 8-Pin Layout Matters for Encoder Signals

Incremental and SSI encoders send fast, low-voltage pulses. Without shielding, those pulses can pick up noise from nearby drives and contactors. The shielded construction of This unit gives maintenance teams a predictable signal path, which reduces nuisance faults during production.

The 8-pin M12 female head matches common encoder pinouts. Meanwhile, the flying-lead end removes the need for a matching male plug inside the cabinet. As a result, one cable part can serve several cabinet layouts. The 4 × 2 × 0.25 mm² conductor arrangement provides paired conductors for signal and return paths.

Installation and Setup Guidance

Route the cable with the bending radius in mind. For flexible use, keep bends greater than 10 × cable diameter; for stationary runs, greater than 5 × cable diameter. The cable diameter is 7 mm, so plan tray and duct routes accordingly. Tighten the M12 locking nut to 0.5 N·m; over-torque can damage the connector body.

Terminate the flying leads in the cabinet according to the encoder manufacturer's wiring diagram. Keep the shield continuous to the cabinet ground point. Because the connector is IP67, the mated pair is protected against dust and water jets, but the flying-lead end must be enclosed in a suitable cabinet or junction box.

Maintenance and Reliability in Oil & Gas Environments

Inspect the cable jacket at each scheduled maintenance interval. Look for cuts, abrasion, or crushed sections near cable carriers and cabinet entries. The PUR sheath is halogen-free and black, which makes surface damage easy to spot under inspection lighting. If the jacket is breached, replace the cable rather than taping it, because moisture ingress can degrade encoder signals.

The rated current of 2 A gives headroom for typical encoder supply loads. However, always confirm the actual load against the encoder datasheet. The > 2,000,000 bending cycles rating supports continuous flexing in cable carriers, which is common on moving skids and valve actuators. For demanding environments, this flex rating is a useful indicator of service life.

Because the operating temperature reaches +80 °C, keep the cable away from hot process lines and steam traps. In cold service down to −25 °C, the PUR jacket remains flexible, so routing does not need a heated enclosure. These temperature limits are the key parameters to check when specifying a replacement.

Compatibility and Integration Notes

This unit is designed for incremental and SSI encoder signals. It connects an 8-pin M12 encoder port to cabinet terminals via flying leads. Before ordering, verify the encoder pinout and the required conductor count. The cable carries 8 contacts, so confirm that the encoder uses all eight or that unused conductors can be safely terminated.

Integration Note: when wiring into fieldbus-controlled encoder networks, the cable itself is a passive connection. Confirm gateway or connection module requirements with the supplier before installation.

Frequently Asked Questions

What is the operating temperature range of This unit?

The SICK unit is rated for −25 °C ... +80 °C for flexible use and head. This range covers most outdoor and enclosure-mounted encoder applications in oil & gas facilities.

Is This unit cable shielded?

Yes, the cable is shielded. The shield helps protect incremental and SSI encoder signals from electrical noise generated by drives and contactors.

What is the bending radius for flexible use?

For flexible use, the bending radius is greater than 10 × cable diameter. With a 7 mm cable diameter, that means a minimum bend radius above 70 mm. For stationary positions, the radius is greater than 5 × cable diameter.

How many conductors does This unit have?

The cable has 8 contacts and a conductor specification of 4 × 2 × 0.25 mm². Each conductor is 0.25 mm², which suits low-power encoder signals and supplies.

What is the tightening torque for the M12 connector?

The locking nut should be tightened to 0.5 N·m. The connector body is TPU and the locking nut is CuZn nickel-plated brass.

Ordering This unit for Your Application

PetroPartsOnline supplies the SICK unit for maintenance teams that need a dependable encoder cable. The official SICK production status is unverified, so please confirm current lifecycle status and availability with PetroPartsOnline before ordering. Contact PetroPartsOnline for parts suited to your application's requirements.

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