SensingTEK Modbus Protocol_v1.3 User Manual
Contents
1. Coordinator Address Description 40001 40006 Node 1 data 40007 40012 Node 2 data 40013 40018 Node 3 data 40019 40024 Node 4 data 40025 40030 Node 5 data X 1 6 1 X 1 6 7 Node X data Example Address Description Address Description 40001 40006 Node 1 data 40031 40036 Node 6 data 40007 40012 Node 2 data 40037 40042 Node 7 data 40013 40018 Node 3 data 40043 40048 Node 8 data 40019 40024 Node 4 data 40049 40054 Node 9 data 40025 40030 Node 5 data 40055 40060 Node 10 data Node ID1 Data Frame Address Description 40001 DAC 1 40002 DAC 2 40003 DAC 3 40004 Reserved 40005 Reserved 40006 Reserved d Remarks v The Data Sheet of 06 Preset Single Register and 16 Preset Multiple Registers are the same as 03 Read Holding Registers gt 04 Read Input Registers Usage opportunity Read THZ100 EDP100 and Analog Input AIZ100 value of registers Coordinator Address Description 30001 30006 Node 1 data 30007 30012 Node 2 data 30013 30018 Node 3 data 30019 30024 Node 4 data 30025 30030 Node 5 data X 1 6 1 X 1 6 7 Node X data Example Address Description Address Description 30001 30006 Node 1 data 30031 30036 Node 6 data 30007 30012 Node 2 data 30037 30042 Node 7 data 30013 30018 Node 3 data 30043 300482. Node is connected Example Address Description Address Description 15001 Node 1 Link Status 15006 Node 6 Link Status 15002 Node 2 Link Status 15007 Node 7 Link Status 15003 Node 3 Link Status 15008 Node 8 Link Status 15004 Node 4 Link Status 15009 Node 9 Link Status 15005 Node 5 Link Status 15010 Node 10 Link Status
3. Node 8 data 30019 30024 Node 4 data 30049 30054 Node 9 data 30025 30030 Node 5 data 30055 30060 Node 10 data Node ID1 Data Frame Address Description siio THZ100 Operating Voltage value Data Real time value x1000 EDP100 Operating Voltage value Data Real time value x1000 THZ100 Temperature value Data Real time value x100 30002 EDP100 Emergency Button High byte Data High byte Emergency Button Pressure pad Low byte Data Low byte Pressure pad THZ100 Humidity value Data Real time valuex100 ae EDP100 Humidity value Data Real time valuex100 30004 Al AD1 0 65535 30005 Al AD2 0 65535 30006 Al AD3 0 65535 gt 17 Report Slave ID Only RF Series Supported Usage opportunity Read Coordinator basic parameter Response ModBus Slave ID XX Function Code 17 Byte Count 6 ModBus Slave ID XX Run Indicator Status amp HOO OFF amp HFF ON Coordinator ID high byte XX Coordinator ID low byte XX Pan ID high byte XX Pan ID low byte XX gt Special Command 02 Link Status Address 15XXX Usage opportunity Read Node Link Status Address Description 15001 Node 1 Link Status 15002 Node 2 Link Status 15003 Node 3 Link Status 15004 Node 4 Link Status 15005 Node 5 Link Status X Node X Link Status Value 0 it means that Node is disconnected Value 1 it means that
4. Sensing hit Modbus SensingTEK Modbus Protocol v1 3 User Manual I This document describes the Modbus RTU protocol option included in ModBus series of data 1 i acquisition modules This implementation of the Modbus protocol is a subset of the protocol as described in the Modicon Modbus Protocol Reference Guide PI MBUS 300 Rev F Only the RTU version of the protocol has been implemented Available modules AIZ100 DIZ100 DOZ100 RSZ232 COZ232 RSZ485 COZ485 RTZ232 RSH232 THZ100 EDP100 MDP100 COZ100 COZ101 SensingTEK Co Ltd 2F No 6 2 Dusing Rd Hsinchu Science Park Hsin Chu 300 Taiwan R O C sales sensingtek com tw Tel 886 3 5678066 Fax 886 3 5678985 www sensingtek com Table of Contents A Introduction B Support ModBus RTU Functiont C SensingTEK WSN Modbus RTU Data Sheet v 01 Read Coil Status v 02 Read Input Status v 03 Read Holding Registers 04 Read Input Registers v 17 Report Slave ID v Special Command 02 Link Status Address 15XXX Remarks The Data Sheet of 05 Force Single Coil and 15 Force Multiple Coils are the same as 01 Read Coil Status The Data Sheet of 06 Preset Single Register and 16 Preset Multiple Registers are the same as 03 Read Holding Registers Introduction The Modbus protocol was originally developed for Modicon controllers by Modicon Inc in 1979 Detailed information can be found at http www modicon com techpubs toc7 html Vis
5. escription 00001 00004 Node 1 DO 00021 00024 Node 6 DO 00005 00008 Node 2 DO 00025 00028 Node 7 DO 00009 00012 Node 3 DO 00029 00032 Node 8 DO 00013 00016 Node 4 DO 00033 00036 Node 9 DO 00017 00020 Node 5 DO 00037 00040 Node 10 DO Node ID1 Data Frame Address Description 00001 DO 1 Status 00002 DO 2 Status 00003 DO 3 Status 00004 Reserved Remarks v The Data Sheet of 05 Force Single Coil and 15 Force Multiple Coils are the same as 01 Read Coil Status gt 02 Read Input Status Usage opportunity Read Digital Input DIZ100 status Address Description 10001 10004 Node 1 DI 10005 10008 Node 2 DI 10009 10012 Node 3 DI 10013 10016 Node 4 DI 10017 10020 Node 5 DI X 1 4 1 X 1 444 Node X DI X lt 256 Example Address Description Address Description 10001 10004 Node 1 DI 10021 10024 Node 6 DI 10005 10008 Node 2 DI 10025 10028 Node 7 DI 10009 10012 Node 3 DI 10029 10032 Node 8 DI 10013 10016 Node 4 DI 10033 10036 Node 9 DI 10017 10020 Node 5 DI 10037 10040 Node 10 DI Node ID1 Data Frame Address Description 10001 DI 1 Status 10002 DI 2 Status 10003 DI 3 Status 10004 DI 4 Status gt 03 Read Holding Registers Usage opportunity Read Analog Output AOZ100 value of registers
6. it http www modbus org to find more valuable information The characterization is standardized and open construction ModBus protocol is widely used in Industrial Automation Controller can monitor all devices which different manufacturer produce through the Industrial Network The lead in system combines ModBus protocol with Wireless Sensor Network WSN It lets WSN could be applied in Industrial Control Domain and closer the real market The platform supports ModBus TCP and ModBus RTU There are nine function codes as Table 1 Users can receive sensor values of WSN including digital input DI power on off status analog input Al value temperature and humidity value Node link status Coordinator status set digital output DO power on off write analog output AO value through the software of Industrial Chart Control which as Honeywell EBI i Fix Specification and Notes as the followings Support ModBus TCP and ModBus RTU of industrial standardized communication interface One Coordinator only links one Server Coordinator will keep the last data before Node is disconnected PON gt Judge whether Node is connected or not through Special Command Link Status Function code 02 address 15XXX to get the Node status For example 15001 means Node ID 1 If Node is connected the data value is 1 if it s disconnected the data value is 0 5 To read and write single Modbus Command of the maximum is 64 bytes If ModBus co
7. mmand length is more over than 64 bytes Coordinator will automatically reply error code overflow to server 6 The transmitting time between Modbus Commands is at least 50ms Support ModBus RTU Function ModBus Series modules support the ModBus RTU protocol The communication Baud Rates range from 4800bps to 115200bps SensingTEK ModBus support nine function code types as Table 1 The function code address is in ModBus RTU Data Sheet Table 1 Support ModBus RTU Function Function Code Description Function 01 Read Coil Status Read Digital Output DO Status 02 Read Input Status Read Digital Input DI Status 03 Read Holding Registers Read Analog Output AO Data 04 Read Input Registers Read T amp H e Diaper and Analog Input Al Data 05 Force Single Coil Set the single DO power on off Value 06 Preset Single Register Write the single AO value 15 Force Multiple Coils Set multiple DO power on off 16 Preset Multiple Registers Write multiple AO value 17 Report Slave ID Report Coordinator information SensingTEK WSN ModBus RTU Data Sheet gt 01 Read Coil Status Usage opportunity Read Digital Output DOZ100 status Address Description 00001 00004 Node 1 DO 00005 00008 Node 2 DO 00009 00012 Node 3 DO 00013 00016 Node 4 DO 00017 00020 Node 5 DO X 1 441 X 1 444 Node X DO X lt 256 Example Address Description Address D
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