Satchwell Modbus/JBUS Protocol Interface Unit Manual

This document describes the Satchwell Modbus/JBUS PIU, a configurable interface that integrates third-party monitoring and control equipment using Modbus or JBUS protocols with the Satchwell Building Automation System (BAS). It details features, specifications, point mapping, operation, and validation for up to 350 mapped points, supporting RS 232/RS 485 communication and ASCII/RTU protocol types.