Description
Engineered to facilitate stable, high-speed data transmission across extended physical layouts, the Delta Electronics AHACABH0-5A is a specialized heavy-duty backplane extension cable. This high-integrity link is designed to connect main and active expansion backplanes within the Delta AH Series PLC automation architecture, ensuring seamless synchronization across multiple decentralized racks.
Featuring high-noise-immunity shielding and ruggedized connector interfaces, this cable maintains the signal integrity required for complex multi-rack physical configurations.
Features
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Industrial-Grade Shielding: Built with robust electromagnetic shielding to prevent cross-talk and EMI interference on long-distance runs.
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Heavy-Duty Connectors (HDC): Integrated heavy-duty multi-pin connectors provide extreme physical stability and vibration resistance.
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Multi-Rack Synchronization: Enables reliable high-speed expansion bus continuity across extended hardware distances.
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Secure Latching: Dual-metal latching mechanism prevents accidental disconnects in harsh industrial environments.
Applications
- Decentralized Delta AH500 series PLC control topologies.
- Multi-rack industrial control cabinets.
- Large-scale factory floor automation requiring remote physical I/O racks.
- Process plants with high electrical noise profiles demanding shielded bus cabling.
Technical Specifications Table
| Parameter |
Specification |
| Manufacturer |
Delta Electronics |
| Model Number |
AHACABH0-5A |
| Cable Type |
Heavy-Duty Backplane Extension Cable (HDC) |
| Compatible PLC Series |
Delta AH Series (AH500) |
| Cable Length |
80.0 m |
| Compatible Backplane Modules |
AHBP04M1-5A, AHBP06M1-5A, AHBP08M1-5A, AHBP12M1-5A, AHBP06E1-5A, AHBP08E1-5A |
| Shipping Weight (Calculated) |
1.0 kg |
Empirical Engineering Insights
Alternative Models & Compatibility
The AHACABH0-5A extension cable is specifically matched to the Delta AH Series backplanes using the dedicated 5A-suffix expansion ports. It cannot be used with standard D-sub or RJ-45-based expansion setups from older DVP series lines. When upgrading existing legacy racks, verify that the bus termination settings on your main and active extension backplanes are configured to support long-distance extension.
Application Pitfalls & Engineering Notes
Running an 80m backplane expansion bus requires careful routing strategy. Do not run this cable parallel to high-current AC motor supply lines or variable frequency drive (VFD) output cables. Although the cable is heavily shielded, high-frequency common-mode noise on the factory floor can cause communication dropouts, resulting in intermittent backplane sync faults on the CPU.
Commissioning & Wiring Tips
Ensure the minimum bending radius of the cable is respected throughout the conduit paths. Severe bends can degrade high-frequency impedance, causing data transmission errors on the expansion bus. Ensure both connector shells are cleanly grounded through the chassis bracket grounding lugs.
Installation Guidelines
CRITICAL WARNING
De-energize all system power (main CPU rack and remote expansion rack power supplies) before connecting or disconnecting the AHACABH0-5A cable. Connecting this cable while the backplanes are live can result in transceiver damage, hardware errors, or erratic CPU behavior.
1
Route the cable along dedicated low-voltage instrument cable trays, avoiding close physical proximity to high-voltage power paths.
2
Align the pin guide keys of the heavy-duty connector with the mating port on the main CPU backplane extension interface.
3
Push the connector firmly into place until it is fully seated, then engage the metal security latches to lock the assembly physically.
4
Repeat the process for the active expansion backplane side, then power up the remote rack prior to initializing the main CPU rack.