Emerson OpenComms-485 manual

MONITORING

OpenComms -

485

Modbus Reference Guide

Contents

Main Revision Level Updates: Page Modbus Communications Connectivity to OpenComms-485 using Modbus Implementation Basics Transmission Format Modbus Packet Format RTU Framing REV. 5 7/6/2007 Liebert Monitoring Group Development 4 Liebert Nfinity Data Point Page Liebert Nx Supported Modbus Points Page Page Page Page REV. 5 7/6/2007 Liebert Monitoring Group Development 12 Liebert PowerSure Interactive Page Page Liebert PowerSure Interactive 2 Page REV. 5 7/6/2007 Liebert Monitoring Group Development 17 REV. 5 7/6/2007 Liebert Monitoring Group Development 18 Liebert GXT2 Data Point Status Coil # of Reg. Scale Notes / Units Page Data Point Input Register Holding Register # of Reg. Scale Notes / Units Page REV. 5 7/6/2007 Liebert Monitoring Group Development 22 Liebert HiNet Data Point Status Data Point Input REV. 5 7/6/2007 Liebert Monitoring Group Development 23 Liebert UPS Series 600 Data Point Status Coil # of Page Page REV. 5 7/6/2007 Liebert Monitoring Group Development 26 Liebert UPS Series 300 Data Point Status Coil # of Page Page Liebert DS Data points Mapped to Input Status and Coils Page Page Data Points Mapped to Input and Holding Registers Page Page REV. 5 7/6/2007 Liebert Monitoring Group Development 35 M OpenComms - 485 Modbus Reference Guide