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Honeywell PUL6438S Spyder Series-4 LonWorks DIN rail controller, grey plastic housing

Honeywell

Honeywell PUL6438S Spyder Series-4 LonWorks DIN rail controller

SKU CH-EY62-ZCGB3 MPN PUL6438S

A programmable LonWorks controller for building automation that mounts on a DIN rail and operates on 24 VAC power

  • TypeOthers
  • Honeywell Spyder Series-4 programmable controller for flexible building automation
  • DIN rail mounting enables quick installation in standard electrical panels
  • LonWorks FTT-10A communication for reliable network integration
  • Operates on 24 VAC within a 20 to 30 VAC range for stable power
  • New condition with 90-day seller warranty for purchase confidence

Honeywell Spyder Series-4 LonWorks Controller

The Honeywell PUL6438S is a Series-4 Spyder programmable controller designed for building automation systems. It mounts on a standard DIN rail and operates on a 24 VAC supply with a functional range of 20 to 30 VAC. The unit communicates via an FTT-10A LonWorks network for integration into larger management platforms.

Installers needing stand-alone programmable logic

This controller suits contractors commissioning HVAC or lighting systems that require a freely programmable, stand-alone LonWorks node. It is not for projects that demand BACnet or Modbus communication out of the box, nor for applications needing built-in I/O expansion beyond the base model.

FTT-10A LonWorks network interface

The decisive specification is the FTT-10A LonWorks port, which determines compatibility with existing Echelon-based building management infrastructure. Verify that the site network uses this exact transceiver type before specifying the PUL6438S.

Highlights

  • Honeywell Spyder Series-4 programmable controller for flexible building automation
  • DIN rail mounting enables quick installation in standard electrical panels
  • LonWorks FTT-10A communication for reliable network integration
  • Operates on 24 VAC within a 20 to 30 VAC range for stable power
  • New condition with 90-day seller warranty for purchase confidence

Specifications

TypeOthers

Questions about this item

How is the DIN rail controller mounted and what is the common wiring mistake with the 24 VAC supply?

Snap the unit onto a standard DIN rail; the frequent error is feeding voltage outside the 20 to 30 VAC window, which prevents the controller from powering up.

Which component will need attention first during long-term operation?

The FTT-10A LON communication port is the primary interface; if network errors appear, inspect the port and its wiring before replacing the controller.

What limit appears first when the controller runs continuously at the top of its voltage range?

Operating continuously at 30 VAC stresses the internal power regulation, so thermal headroom becomes the first constraint under sustained load.

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