Allen-Bradley 20D-DL2-CKE1 Original Industrial Spare PowerFlex 700S

Product Overview

Allen-Bradley 20D-DL2-CKE1 Original Industrial Spare PowerFlex 700S: System Stability & Maintenance Value

The Allen-Bradley 20D-DL2-CKE1 is a genuine DriveLogix Control Kit designed for the PowerFlex 700S AC drive platform — one of Rockwell Automation’s most widely deployed variable frequency drive series in heavy industrial environments. Whether you are managing a planned shutdown, responding to an unplanned drive fault, or building a strategic spare parts inventory, the 20D-DL2-CKE1 represents a critical line item in any PowerFlex 700S-based control system.

Industrial facilities running PowerFlex 700S drives in continuous-process applications — including conveyors, compressors, pumps, fans, and extruders — depend on the DriveLogix control module for embedded logic execution, motion coordination, and real-time I/O management. A failed or degraded control kit can halt production entirely. Stocking the 20D-DL2-CKE1 as an on-hand spare eliminates the lead-time risk associated with sourcing this module during an active downtime event.

Critical Technical Specs

Preventive Maintenance Strategy

When a PowerFlex 700S drive is pulled from service for inspection or the 20D-DL2-CKE1 control kit is being replaced, experienced maintenance engineers treat the event as an opportunity to audit the entire drive cabinet and associated control loop. Limiting the scope of inspection to the failed component alone is a common cause of repeat failures within short intervals.

During a DriveLogix control kit replacement, the following components should be inspected or replaced concurrently:

Power and Filtering: The 20-HIM-A6 Human Interface Module should be checked for firmware currency and display integrity — it shares the same control bus and is often overlooked during drive servicing. The drive’s internal DC bus capacitor bank should be evaluated for capacitance degradation, particularly in drives with more than five years of continuous service. The 20-XCOMM-DC-BASE communication adapter base should be inspected for secure seating and corrosion on the backplane connector.

I/O and Signal Integrity: Analog and digital I/O wiring terminations at the 20D series I/O terminal block should be re-torqued to specification. Signal isolators on 4–20 mA feedback loops — particularly those feeding speed reference or process variable signals into the DriveLogix controller — should be tested for drift. If the facility uses 1756-IB16 or similar ControlLogix digital input modules upstream of the drive, their input filter timing should be verified against the application’s response requirements.

Communication Infrastructure: EtherNet/IP-connected drives should have their 20-COMM-E2P dual-port EtherNet/IP adapter inspected for firmware version and network configuration. ControlNet-connected installations should verify the 20-COMM-C adapter’s node address and scheduled connection parameters. Any 1585J series EtherNet patch cables within the control cabinet should be inspected for jacket integrity and connector seating.

Protection Devices: Upstream 140M series motor protection circuit breakers and 700-CF series control relays in the drive’s enable and fault-reset circuit should be tested for proper operation. Fuse modules protecting the 24 VDC control power rail — commonly 1492-FB series fuse blocks — should be checked for continuity and replaced on a scheduled basis regardless of apparent condition.

Mechanical and Environmental: Cabinet door seals, filter mats, and cooling fan assemblies (including the 20-FAN-D1 or equivalent frame-specific fan kit) should be inspected and replaced as part of any major drive service event. Thermal imaging of the drive cabinet under load, prior to shutdown, provides a baseline for identifying hot spots that may indicate impending failures in adjacent components.

Proactive spare parts planning that includes the 20D-DL2-CKE1 alongside these associated components significantly reduces mean time to repair (MTTR) and supports a predictable maintenance budget cycle.

Strategic Replacement Solutions

The 20D-DL2-CKE1 is the correct replacement control kit for PowerFlex 700S drives originally configured with DriveLogix embedded control. It is not interchangeable with the standard PowerFlex 700S control kit (20D-DL1-CKE1), which lacks the DriveLogix processor. Facilities upgrading from a non-DriveLogix 700S configuration to an embedded-logic architecture should consult Rockwell Automation’s drive compatibility documentation before substitution.

For aging PowerFlex 700S installations approaching end-of-support milestones, stocking the 20D-DL2-CKE1 as a long-term spare extends the operational life of the installed base without requiring a full drive replacement or control system migration. This is particularly valuable in applications where the drive’s parameter set, custom logic, and tuning data represent significant engineering investment that would be costly to recreate on a newer platform.

Field replacement of the DriveLogix control kit is a documented procedure within Rockwell Automation’s installation and maintenance manuals. With the correct spare on hand, a trained technician can complete the swap, restore parameters from backup, and return the drive to service within a single maintenance window — minimizing production impact and avoiding the extended lead times associated with emergency procurement.

All units supplied by TOPNLMS are tested prior to shipment, shipped with protective packaging appropriate for sensitive electronic assemblies, and covered by a 12-month warranty against manufacturing defects and functional failure.

Support FAQ

Q1: Is the 20D-DL2-CKE1 compatible with all PowerFlex 700S drive frames?
The 20D-DL2-CKE1 DriveLogix Control Kit is compatible with PowerFlex 700S drives configured for DriveLogix embedded control, typically Frame D and larger. Compatibility should be verified against the drive’s catalog number and existing control kit designation before ordering. Drives originally shipped with a non-DriveLogix control kit require additional configuration steps for DriveLogix adoption.

Q2: What does the 12-month warranty cover?
The 12-month warranty covers functional failure and manufacturing defects under normal operating conditions. Units are bench-tested prior to dispatch. Warranty claims are supported by TOPNLMS directly — contact [email protected] with the order reference and a description of the fault condition.

Q3: How should I verify the module before installation?
Upon receipt, inspect the unit for physical damage and verify the catalog number label against your purchase order. Before installation, confirm that the target drive’s firmware is compatible with the DriveLogix control kit version. Restore drive parameters from a previously saved backup file using RSLogix 5000 or Studio 5000 after installation to minimize commissioning time.

Q4: What is the recommended inventory strategy for this spare part?
For facilities operating three or more PowerFlex 700S DriveLogix drives, maintaining a minimum of one 20D-DL2-CKE1 on-site is recommended. High-criticality applications — where drive failure results in immediate production stoppage — may justify a two-unit buffer. Spare parts should be stored in a clean, dry environment within the original ESD-protective packaging and inventoried annually for condition verification.