Page 2 - Revision Level Updates:
REV. 5 7/6/2007 Liebert Monitoring Group –Development iii Revision Level Updates: Revision Date Description 1 11/30/04 Initial Revision 2 04/10/06 Added Liebert DS Modbus Registers 3 09/15/06 Updated DS Registers with additional BMS Fan Control data 4 12/06/06 Update S300/S600 register map 5 7/6/200...
Page 3 - TABLE OF CONTENTS
REV. 5 7/6/2007 Liebert Monitoring Group –Development iv TABLE OF CONTENTS Modbus Communications .................................................. 4 Liebert Nfinity ...................................................................... 4 Liebert Nx......................................................
Page 4 - Modbus Communications; Connectivity to OpenComms-485 using Modbus; Implementation Basics
REV. 5 7/6/2007 Liebert Monitoring Group –Development 1 Modbus Communications Connectivity to OpenComms-485 using Modbus This design specification describes the Modbus communications protocol as supported by the OC-485 interface card. It includes information on how to pass information to and from th...
Page 5 - Modbus Packet Format
REV. 5 7/6/2007 Liebert Monitoring Group –Development 2 Modbus Packet Format Each Modbus packet consists of the following fields: • Device Address • Function Code • Data Field(s) • Error Check Field Device Address: The address field immediately follows the beginning of the frame and consists of 8-bi...
Page 6 - RTU Framing
REV. 5 7/6/2007 Liebert Monitoring Group –Development 3 16 Write multiple Registers Write values into a block of contiguous registers (1 to 120) Data Field(s): The data field varies in length depending on whether the message is a request or a response to a packet. This field typically contains infor...
Page 7 - Liebert Nfinity; Supported Modbus Points
REV. 5 7/6/2007 Liebert Monitoring Group –Development 4 Liebert Nfinity Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes/ Units Automatic Battery Test Enabled 10003 3 1 1 Battery Charger On 10044 1 1 Inverter Ready 10047 1 1 Power Factor Correction State 10050 1 1 Load On Inverte...
Page 10 - Liebert Nx
REV. 5 7/6/2007 Liebert Monitoring Group –Development 7 Liebert Nx Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Economode 10005 5 DC-To-DC Converter On 10042 Battery Charge Compensation 10046 Inverter Ready 10047 Power Factor Correction State 10050 Battery Charge Mode...
Page 15 - Liebert PowerSure Interactive
REV. 5 7/6/2007 Liebert Monitoring Group –Development 12 Liebert PowerSure Interactive Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes /Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 Battery Charge Compensation 10046 1 1 Inverter Ready 10047 1...
Page 18 - Liebert PowerSure Interactive 2
REV. 5 7/6/2007 Liebert Monitoring Group –Development 15 Liebert PowerSure Interactive 2 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 DC-To-DC Converter On 10042 1 1 Battery Charger On 10044 ...
Page 21 - Liebert GXT2
REV. 5 7/6/2007 Liebert Monitoring Group –Development 18 Liebert GXT2 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 DC-To-DC Converter On 10042 1 1 Battery Charge Compensation 10046 1 1 Invert...
Page 25 - Liebert HiNet
REV. 5 7/6/2007 Liebert Monitoring Group –Development 22 Liebert HiNet Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units DC-To-DC Converter On 10042 1 1 Load On Inverter 10073 1 1 Bypass Active 10074 1 1 Load On Battery 10128 1 1 Permanently On Bypass 10133 1 1 Bypass SCR ...
Page 26 - Liebert UPS Series 600
REV. 5 7/6/2007 Liebert Monitoring Group –Development 23 Input Current L2 30204 1 1 A Input Voltage L3 30253 1 1 V Input Current L3 30254 1 1 A Liebert UPS Series 600 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Battery Charger On 10044 1 1 Battery Charge Compensation...
Page 29 - Liebert UPS Series 300
REV. 5 7/6/2007 Liebert Monitoring Group –Development 26 Liebert UPS Series 300 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Automatic Restart Enabled 10001 1 1 1 Battery Charge Compensation 10046 1 1 Inverter Ready 10047 1 1 Load Circuit 1 State 10057 1 1 Load Circui...
Page 32 - Liebert DS; Data points Mapped to Input Status and Coils
REV. 5 7/6/2007 Liebert Monitoring Group –Development 29 Liebert DS Data points Mapped to Input Status and Coils Reference Document: ST100I&C PA Parameters and Events, Version 18.0 Data Description Status Coil# # bit - Notes iCOM Reference Sleep on Monday 10001 1 1 U603 Sleep on Tuesday 10002 2 ...
Page 35 - Data Points Mapped to Input and Holding Registers
REV. 5 7/6/2007 Liebert Monitoring Group –Development 32 Data Points Mapped to Input and Holding Registers (A value read from an input register is the real-time data value. A value read from a holding register is the value last set to this modbus server by a user.) Reference Document: ST100I&C P...
Page 39 - ONITORING; Modbus Reference Guide
M ONITORING OpenComms - 485 Modbus Reference Guide T HE C OMPANY B EHIND T HE P RODUCTS With over a million installations around the globe, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of support and protection systems...