What the SICK LTG-2308-MWENC Encoder Cable Is

The SICK LTG-2308-MWENC is a ready-to-assemble 8-wire shielded encoder cable supplied by the meter with bare flying leads at both ends. Its 4 × 2 × 0.15 mm² conductor construction carries SSI, incremental and HIPERFACE® signals in mission-critical motion feedback circuits.

Because no fixed length is applied at the factory, the cable is cut to the exact run length your application requires. That flexibility suits retrofit and field-build projects where pre-terminated cable assemblies rarely match the routing path.

Key Features and Technical Specifications

• Conductor configuration: 4 × 2 × 0.15 mm² twisted-pair construction supports differential encoder signal pairs.
• Shielding: Shielded design limits electrical noise pickup on low-level feedback lines.
• Sheath material: PUR, halogen-free and black for rugged duty in demanding environments.
• Cable diameter: 5.6 mm overall diameter keeps routing through tight cabinet entries practical.
• Termination: Flying leads (bare wires) at both ends for customer-side connector assembly.
• Length supply: Sold by the meter with no fixed length, so runs are cut to order.
• Bending radius: Above 5 × cable diameter in stationary position and above 7.5 × cable diameter in drag chain operation.

The PUR sheath is the standout feature for oil and gas duty. It resists the abrasion and flexing that shorten the life of ordinary PVC-jacketed cable on moving machine members.

How This Cable Compares with Other Encoder Cable Options

Encoder cabling generally falls into three groups: pre-terminated assemblies, unshielded bulk cable and shielded bulk cable with flying leads. This unit sits in the third group, which gives engineers the most control over termination and routing.

• Pre-terminated assemblies: Fast to install, but fixed lengths can leave excess cable coiled in a cabinet or force a splice.
• Unshielded bulk cable: Lower cost per meter, but no protection against electrical noise on encoder feedback lines.
• Shielded bulk cable with flying leads: This unit category, offering noise protection plus cut-to-length freedom.

For SSI and HIPERFACE® signals, the shielded construction matters more than connector convenience. Noise on these lines produces position errors that are difficult to trace after commissioning.

Applications in Oil and Gas Automation

Encoder feedback links motor speed and position to drives and controllers across many oil and gas assets. This unit suits valve actuator position feedback, pump and compressor speed monitoring, and drawworks or winch drum encoders. In each case, the shielded 8-wire construction carries the differential pairs these encoders require.

Drag chain routing appears frequently on reciprocating and sliding equipment. The stated drag chain bending radius of more than 7.5 × cable diameter gives installers a clear minimum to design around. Therefore, cable trays and carrier radii should be checked against the 5.6 mm cable diameter before pulling cable.

Installation and Handling Guidance

Because both ends are bare flying leads, the installer terminates each conductor into the encoder connector or junction box. Keep the shield continuous to the control cabinet ground point to preserve noise rejection. In addition, respect the minimum bend radius at every clamp and entry point.

Cut the cable to length before termination, leaving a modest service loop at the encoder end. Avoid sharp pulls over cabinet edges, since the PUR sheath protects against abrasion but not against cutting. Finally, verify conductor identification against the encoder pinout before energizing the circuit.

Reliability and Maintenance Considerations

Encoder cable failures usually trace to flex fatigue, shield damage or moisture ingress at terminations. The PUR sheath and halogen-free construction address the mechanical side of that risk. During routine maintenance, inspect the cable at drag chain transition points and near connector entries for flattening or sheath wear.

Check shield continuity if position readings become erratic, and re-terminate any conductor showing strand breakage. These simple checks keep feedback circuits dependable between scheduled outages. Reliability you can depend on starts with correct routing and periodic inspection.

Frequently Asked Questions

What is the SICK unit encoder cable used for?

It carries SSI, incremental and HIPERFACE® encoder signals between sensors and controllers. The shielded 8-wire construction with 4 × 2 × 0.15 mm² conductors suits differential feedback pairs.

Is This unit supplied with connectors?

No. Both ends are flying leads (bare wires), so the installer fits the connector or terminal block required by the application.

What length does This unit come in?

The cable is sold by the meter and has no fixed length. Order the exact run length needed for each installation.

What bend radius should be allowed for this encoder cable?

Allow more than 5 × cable diameter in stationary position and more than 7.5 × cable diameter in drag chain operation. With a 5.6 mm cable diameter, that sets the minimum carrier radius.

What is the operating temperature of This unit?

The source data does not list an operating temperature for this model. Contact PetroPartsOnline for parts suited to your application's requirements and for current datasheet confirmation.

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