Overview
The Honeywell XCL5010, also cataloged as the XCL5010 central processor module, executes direct digital control (DDC) logic and coordinates distributed I/O within the Honeywell Excel 500 building management system. It supports LONWORKS network communication, C-bus controller networking, and CARE-based application programming for HVAC control and building automation.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | XCL5010 |
| Brand | Honeywell |
| Product Type | Central Processor Modules |
| System | Excel 500 / Excel 5000 family |
| Controller Architecture | Freely programmable DDC controller |
| Distributed I/O Capacity | Up to 16 distributed I/O modules |
| Physical Data Points | Up to 128 |
| Pseudo Data Points | Up to 256 |
| Network Variables | Supports up to 512 LONWORKS network variables |
| Controller Network | C-bus, up to 30 Excel 500 controllers |
| Serial Communication | Modem or ISDN terminal adapter connection, up to 38.4 kbaud |
| Programming Software | Honeywell CARE |
| Memory | Flash EPROM |
| Mounting | DIN rail |
| Operator Interface | External XI582AH terminal or PC-based XI584 / XL-Online software |
Building Automation Communication and Control
The XCL5010 coordinates controller logic, distributed I/O data, and communication between Excel 500 controllers. Its LONWORKS interface supports network-variable exchange, while C-bus provides communication between interconnected Excel 500 controllers.
The controller supports HVAC control sequences, including optimum start/stop and night purge, subject to the configured application. CARE software provides the application programming environment. Flash EPROM supports firmware downloads and updates.
The XCL5010 belongs to a building automation control platform. The supplied specifications do not identify it as a 4-20 mA HART field instrument interface, FOUNDATION Fieldbus interface, or isolated analog input module. Field signal handling depends on the connected I/O hardware.
Frequently Asked Questions
Q: How many distributed I/O modules can the XCL5010 support?
A: The supplied specifications state a maximum of 16 distributed I/O modules per controller. Confirm the applicable hardware configuration before expanding an installed system.
Q: Does the XCL5010 include a built-in operator display?
A: No built-in display is specified. The controller uses an external XI582AH operator terminal or PC-based XI584 / XL-Online software for operator interaction.
Q: Which communication interfaces does the XCL5010 support?
A: The supplied information identifies a LONWORKS network interface, C-bus controller networking, and a serial connection for a modem or ISDN terminal adapter at up to 38.4 kbaud.
Field Installation Guidelines
- Mount the controller on a compatible DIN rail inside the control cabinet.
- Verify the power supply requirements and transformer arrangement against the applicable Honeywell installation documentation.
- Check distributed I/O compatibility and wiring before connecting the controller to the I/O modules.
- Route communication cables separately from high-voltage and high-current wiring where practical to reduce electrical interference.
- Follow the manufacturer’s grounding, shielding, and cable termination instructions for LONWORKS, C-bus, and serial connections.
- Use compatible CARE software and the correct application configuration for commissioning or firmware updates.
- Confirm the external operator interface and network communication before placing the controller into service.
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