Configured for precise signal transmission and module-to-terminal interconnectivity in CENTUM VP platforms, the Yokogawa AKB331-M002 (AKB331 Signal Cable) provides direct physical/electrical execution.
| Base Model | Suffix Code | Functional Specification |
|---|---|---|
| AKB331 | -M002 | Signal Cable (50-50 pins, 2-meter length) for I/O module-to-terminal board connection |
| Parameter | Specification |
|---|---|
| Model | AKB331-M002 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.35 to 0.40 kg (Shipping weight ~2.0 kg) |
| Dimensions | 2 meters (length) |
| Operating Temp | -20 to +55 deg C |
| Power Consumption | Passive signal path (supports 24 VDC auxiliary power distribution) |
| Pin Configuration | 50-pin to 50-pin interface |
| Connector Type | Keyed multi-pin connectors |
| Module Compatibility | SDV144, SDV531, SDV53A, SDV541, SAT145 |
| Shielding | Multi-strand braided shielding for noise suppression |
The AKB331-M002 cable maintains dedicated wiring channels enclosed within a heavy-duty continuous braided shield to eliminate electromagnetic interference (EMI) across high-density analog and digital lines. When interfacing analog input cards with external field termination blocks, the low-resistance copper cores transmit 4-20 mA HART signals and thermocouple CJC reference voltages without signal attenuation. Integrated optical and electrical isolation within connected CENTUM VP and ProSafe-RS I/O modules prevents ground loops from propagating along the cable assembly during process control operation.
Q: Which Yokogawa modules directly interface with the AKB331-M002 cable assembly?
A: The cable links standard safety and process I/O modules—specifically SDV144, SDV531, SDV53A, SDV541, and SAT145—to designated 50-pin terminal boards.
Q: What physical specification does the -M002 suffix designation represent?
A: The -M002 suffix denotes a factory-preformed cable length of exactly 2 meters equipped with 50-pin connectors at both ends.
Q: Can the cable carry power lines in addition to discrete logic signals?
A: Yes, the 50-pin conductor matrix supports low-voltage field signaling as well as auxiliary 24 VDC power routing between I/O cards and field termination assemblies.
Inspect the 50-pin connector faces on both the module and terminal board prior to installation to confirm pins remain straight and free of debris. Align the keyed connector shells carefully before pushing the harness straight into the mating receptacle. Tighten the integral retaining thumbscrews completely to secure the connection against industrial vibration and prevent accidental disengagement.
Route the flexible cable assembly through panel wire ducts, strictly observing minimum bend radius limits to prevent mechanical stress on internal conductors. Avoid routing the signal harness parallel to high-voltage AC power lines or variable frequency drive cables. Connect the cable's overall shield drain wire securely to the primary cabinet earth ground terminal to maintain maximum noise immunity across all 50 conductor paths.
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