Barix X8
I/O to RS-485 Modbus converter for commercial interfacing, control and home automation applications.

Overview
An efficient I/O to RS-485 Modbus converter, ideal for commercial interfacing, control, and home automation applications.
Technical Specifications
Protocols
RS-485; Modbus/RTU
Power Requirements
12-24VAC / 9-30VDC, 1W max
Dimensions / Weight
Ø51mm (70mm mounting) h23mm · 33g
MTBF
Min 59,000h (MIL217F at 24VDC 40°C)
Real-World Scenarios
How Barix X8 solves specific industry challenges.
8-Point Status Monitoring Expansion
An OEM equipment manufacturer needs 8 additional TTL I/O points on their controller product without adding a large I/O module. Barix X8's small form factor and Modbus RTU interface fit inside the OEM enclosure, providing 8 configurable I/O points at minimal cost and board space.
Security Sensor Zone Expansion
A security panel installer needs to add 8 more sensor zones to an existing IP security controller. X8's 8 universal I/O pins connect PIR sensors, door contacts, and tamper switches, reporting their status to the security controller via Modbus RTU over the existing RS-485 bus.
Process Status Indicator Control
A machine builder needs 8 TTL outputs to drive status LED indicators on an operator panel. Barix X8 connects to the machine PLC via Modbus RTU and drives 8 LED indicators directly from TTL outputs — eliminating the need for a separate indicator driver board.
Ordering Numbers
- 2004.9044 – Barix X8
Resources & Downloads
Enquire About This Product
For project consultancy, design engineering and commercials.
barix@bnaindia.com 080-41289377



