Brand: Honeywell
Category: Gas Detector Transmitter
Document Type: Installation Guide
Language: EN
Installation Guide for XNX Universal Transmitter Relay Board
Uploaded: April 20, 2026, 7:55 p.m.
Manual Publish Date: 2009-03-01
Warranty Information
No specific warranty period is mentioned in the provided text.
The XNX Universal Transmitter Relay Board provides 3 form "C" contacts for alarm and fault indication. It includes a remote reset to silence alarms. Wiring is done through terminal block TB3. The board is not compatible with Modbus or Foundation Fieldbus options. The document also details the installation process for retrofitting an option board into a previously installed unit, including steps for power removal, cover removal, POD extraction, component replacement, and configuration updates via the transmitter's interface. Warnings are provided regarding electrostatic discharge and the need to disconnect power before servicing.
Troubleshooting and error codes
| Fault Code | Description |
|---|---|
| 152 | XNX must be configured to recognize the new option board. |