Description
The KL4503X1-BA1 (often specified as VE4005 series hardware or associated base assemblies) is a Bottom CHARM Extender Base manufactured by Emerson Process Management for the DeltaV Distributed Control System (DCS) platform. It is designed to extend and support CHARM (Characteristic Modular Key) I/O baseplate architectures, providing structured physical spacing and terminal connections for field wiring in process automation environments.
Technical Specifications
| Parameter | Value |
| Manufacturer | Emerson Electric Co. (Emerson Process Management) |
| Product Series | DeltaV DCS / CHARM I/O Platform |
| Part Number (MPN) | KL4503X1-BA1 (frequently correlates to Rev F or later hardware variants) |
| Module Type | Bottom CHARM Extender Base / Extender Baseplate Accessory |
| System Compatibility | Emerson DeltaV CHARMs card/base assemblies and carrier rails |
| Enclosure Protection | IP20 standard (intended for internal mounting within a protective industrial control cabinet or marshalling panel) |
Supply Terms & Commercial Details
- Availability: Sourced through industrial automation surplus channels, specialized DeltaV spare parts distributors, and legacy hardware providers.
- Lead Time: In-stock hardware typically ships within 1 to 3 business days.
- Warranty: 12-month standard supplier replacement or repair warranty covering functional hardware defects.
- Condition: Available as New Surplus, Factory Open Box, or Fully Tested Refurbished (verify specific revision levels and packaging with your vendor prior to purchase).
- Pricing Note: Price is subject to market availability; contact your vendor for a firm quote.
Engineering & Integration Guidance
When installing or expanding a DeltaV CHARM base structure with the KL4503X1-BA1 extender, observe the following parameters:
- Mechanical Alignment: Ensure the extender base is securely locked onto the DIN rail or structural mounting carrier in proper alignment with the main CHARM blocks and carrier local buses to prevent backplane pin strain.
- DIN Rail Grounding: Verify that the mounting rail provides a solid low-impedance earth ground to maintain proper shielding and noise immunity for the surrounding I/O loops.
- System Power Safety: Always de-energize the marshalling panel power distribution feed before installing or modifying baseplate extenders to prevent electrical faults or damage to connected CHARM electronics.
Frequently Asked Questions
What system platform uses the KL4503X1-BA1?
This component is built specifically for the Emerson DeltaV Distributed Control System, functioning as a bottom extender base accessory within CHARM (Characteristic Modular I/O) deployment layouts.
What is the purpose of an extender base?
Extender bases allow control engineers to physically space out I/O blocks, accommodate specific cabinet layout constraints, or extend local bus connections across multi-tier marshalling panels.
How do I check hardware revision compatibility?
Check the revision letter stamped on the physical hardware label (such as Rev F) against your system design drawings or Emerson engineering specifications to ensure seamless physical and electrical integration with your existing CHARM carriers.
