The Yokogawa AKB331-M030, also cataloged as the AKB331 Signal Cable, operates as a dedicated hardware component for multi-channel field signal transmission between SDV modules or SAT145 units and system terminal boards within ProSafe-RS control platforms.
| Parameter | Specification |
|---|---|
| Model | AKB331-M030 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 3.0 kg (Shipping weight 2.0 kg to 5.0 kg) |
| Dimensions | Length: 30 meters |
| Operating Temp | -40 to 105 deg C |
| Power Consumption | Passive physical media / loop-powered 24 VDC (+10% / -10%) |
| Connector Type | 50-pin to 50-pin |
| Supported Sensors | 3-wire and 4-wire RTD (Pt100, JPt100, Ni120) |
| Output Signal | Redundant 4-20 mA (Channel A / Channel B) |
| Lead Resistance Compensation | Less than or equal to 20 Ohm (automatic) |
| Isolation Voltage | 2.0 kV AC (Input/Output/Power) |
| Response Time | Less than or equal to 150 ms (0-90%) |
| Ingress Protection Rating | IP68 |
The AKB331-M030 signal cable delivers deterministic analog and RTD sensor signal routing across dual-channel output paths. Integrated channel-to-channel isolation and galvanic separation up to 2.0 kV AC protect loop electronics against ground loops and external voltage surges. Supporting a 4-20 mA HART loop protocol framework, the 50-pin cable assembly maintains measurement accuracy within +/-0.1% F.S. across extended 30-meter distances, compensating automatically for lead wire resistance up to 20 Ohm without introducing signal latency.
Q: What module interfaces are compatible with the AKB331-M030 50-pin cable?
A: The cable connects directly between Yokogawa SDV144, SDV531, SDV53A, SDV541, and SAT145 modules and their corresponding field terminal boards.
Q: Does the cable support isolation between field inputs and control electronics?
A: Yes. The assembly supports galvanic channel isolation rated up to 2.0 kV AC to isolate field sensor loops from system backplane circuitry.
Q: How does the cable handle variations in field lead resistance?
A: Integrated automatic lead resistance compensation balances loop resistance up to 20 Ohm to preserve signal calibration accuracy across 3-wire and 4-wire RTD circuits.
Align the 50-pin connectors on the AKB331-M030 cable with the header interfaces on the designated SDV card or terminal board prior to engagement. Secure all retaining screws on the connector housing to maintain IP68 sealing and prevent mechanical disconnects under high-vibration conditions. Route the 30-meter cable assembly through dedicated, grounded instrument wire trays away from heavy motor feeds or high-voltage AC cables. Ensure that cable shields ground at a single panel ground bar to suppress electromagnetic noise and eliminate ground loop potential.
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.