Description

Yokogawa AKB337-M015 Signal Cable

The Yokogawa AKB337-M015, also cataloged as the AKB337 Signal Cable, operates as a dedicated hardware component for high-fidelity signal transmission between I/O modules such as ADV161 and ADV561 within Yokogawa DCS platforms. It provides stable electrical pathways for 50-pin interconnections in industrial process control networks.

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa AKB337-M015
Origin	Japan
Weight	Approx. 0.4 kg
Dimensions	15 meters length, 7.5 mm diameter
OperatingTemp	-20 to +70 degC
PowerConsumption	N/A (passive signal cable)
CableType	Signal Cable, 50-pin to 50-pin
ConductorResistance	0.12 ohm/m
Capacitance	100 pF/m
Impedance	120 ohm
ConnectorType	Solderless lug with M4 screws
JacketMaterial	PVC, UL1581 flame retardant
MinimumBendRadius	75 mm (10 x cable diameter)
FlexLife	1 million cycles
Application	Connects Yokogawa I/O modules to terminal boards or interface units
CompatibleSystems	CENTUM VP, CENTUM CS 3000

Process Control Signal Integrity

The AKB337 cable design maintains channel-to-channel isolation to reduce crosstalk and signal degradation over extended distances. It is suitable for analog and digital loop communication, supporting 4-20 mA HART protocol and interfacing with FOUNDATION Fieldbus or Profibus PA systems when integrated with compatible I/O modules. The PVC jacket provides environmental shielding and limited EMI suppression.

Frequently Asked Questions

Q: Can the AKB337 cable be hot-swapped while modules are powered?
A: No. Connectors must be de-energized before insertion or removal to prevent signal errors and potential module damage.

Q: How should the cable be routed to minimize interference?
A: Avoid parallel routing alongside high-voltage power lines. Maintain separation and utilize grounded metallic trays if available.

Q: Are there any specific connector torque requirements?
A: Use standard M4 screw torque values (approximately 0.5 to 0.6 N·m) to ensure secure mechanical and electrical contact without deforming the connector.

Field Installation Guidelines

• Align connector pins carefully before tightening screws to avoid misalignment.
• Respect minimum bend radius (75 mm) to prevent internal conductor stress.
• Avoid tight looping or repeated sharp bends during installation.
• Shielded cables should be grounded at one end to maintain noise immunity.
• Maintain separation from high-voltage or high-current power lines to reduce EMI risk.
• Use cable management channels or trays to prevent mechanical strain and accidental disconnections.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems