Configured for high-density I/O connectivity within control system cabinets, the Yokogawa AKB336-M002 (AKB336-M002 Signal Cable) provides direct physical signal transmission between I/O modules and terminal boards.

Suffix Breakdown & Model Matrix

Hardware Specifications

Industrial Network Connectivity and Signal Integrity

The AKB336-M002 is engineered to maintain low-latency data flow within Yokogawa CENTUM VP and ProSafe-RS architectures. The cable utilizes intrinsic safety (Ex i) barrier-compatible construction where required and provides DIN-rail mounting stability when used in conjunction with secondary conduit routing. The assembly offers surge voltage protection limits necessary for maintaining communication link stability in high-EMI industrial zones. By adhering to standardized pin-out configurations, the cable ensures protocol conversion latencies are kept within the precise millisecond tolerances required for deterministic I/O communication.

Frequently Asked Questions

Q: Can the 20-pin connector be re-terminated in the field?

A: No. The connectors are factory-molded and terminated to ensure consistent impedance and shielding integrity. Field modification will compromise the mechanical and electrical specifications of the cable assembly.

Q: What is the recommended tightening torque for the M4 connector screws?

A: Tighten the M4 screws to a value consistent with industrial standard practices for terminal blocks, typically 0.8 to 1.2 Nm, ensuring a secure electrical contact without damaging the lug or the terminal board threads.

Field Installation Guidelines

1. Inspect the 20-pin connector housing for any pin deformation or debris before mating with the I/O module or terminal board.
2. Route the cable through dedicated electrical conduits or cable trays, maintaining physical separation from high-voltage power lines to prevent induced electromagnetic noise.
3. Secure the M4 screws on the solderless lugs to ensure a reliable electrical path and prevent intermittent contact caused by cabinet vibration.
4. Maintain the cable's bending radius at least 5 times the cable diameter to prevent mechanical stress on the internal conductor cores or degradation of the outer sheath.
5. Once installed, verify the continuity of each signal wire using a multimeter prior to energizing the I/O rack to ensure no shorts exist between adjacent pins or to ground.