User Manual for the HE660GGM100 Modbus
Contents
1. 3 6 Genius Bus Data to Modbus UO Mapping Before the GGM may be used by the Modbus Master to access a Genius Device s Data the Genius Device must be configured with a Reference Address which maps the Genius Device s Data to specific Modbus UO The Reference Address is a 16 bit value which may be programmed into a Genius Device by using the Genius Hand Held Monitor For complete instructions for this process see Chapter 4 MAN0026 02 09 AUG 2000 PAGE 19 CH 3 Figure 3 2 shows Modbus UO and a Genius Device s Data available for mapping The connecting arrows show how they may be mapped to each other Modbus I O Genius Device s Data 32 767 Input Register Words Up to 128 Input Bytes 32 767 Input Contact Bits 32 767 Holding Register Words Up to 128 Output Bytes Figure 3 2 Genius to Modbus I O Mapping 32 767 Output Coil Bits The GGM100 uses a Genius Device s Reference Address to map its Genius Bus Input and Output Data to Modbus UO as illustrated in Figure 3 3 If the Reference Address is either 0 or OFFFFH the Genius Device s data is not mapped into Modbus I O at all but is available for use by other Genius Bus Controllers FIEDICIBIA98 17 6 5 4 3 2 1 0 Reference Address Starting Modbus Address 1 32767 Binary Weight I O Type O Map into Modbus Bit I O Map into Modbus Word I O Figure 3 3 Ge2. shall HE APG or its suppliers be liable of any special consequential incidental or penal damages including but not limited to loss of profit or revenues loss of use of the products or any associated equipment damage to associated equipment cost of capital cost of substitute products facilities services or replacement power down time costs or claims of original purchaser s customers for such damages To obtain warranty service return the product to your distributor with a description of the problem proof of purchase post paid insured and in a suitable package ABOUT PROGRAMMING EXAMPLES Any example programs and program segments in this manual or provided on accompanying diskettes are included solely for illustrative purposes Due to the many variables and requirements associated with any particular installation Horner APG cannot assume responsibility or liability for actual use based on the examples and diagrams It is the sole responsibility of the system designer utilizing this software to appropriately design the end system to appropriately integrate the Operator Interface Unit and to make safety provisions for the end equipment as is usual and customary in industrial applications as defined in any codes or standards which apply Note The programming examples shown in this manual are for illustrative purposes only Proper machine operation is the sole responsibility of the system integrator MAN0026 02 09 AUG 2000 PAGE 5 R
3. 23 APPENDIX A APPENDIX A SERIAL PORT WIRING 285 75mm 11 2500 10 2500 0 5000 eon 0 5000 12 7mm 12 7mm RV DH 0 1620 teica To 411mm 2 7500 69 85mm 0 5000 12 7mm ee FH 0 2500 6 35mm Figure A 1 GGM Back Plate PAGE 24 09 AUG 2000 MAN0026 02 APPENDIX A NOTES
4. RI O O N OD OP OIN 2 5 GENI Configuration The GGM s integrated GENI board is equipped with a bank of 8 DIP switches These dip switches are exposed on the left side of the GGM These switches are used to configure the Genius bus address or Device Number for the GGM and to set the Genius baud rate Each device on the Genius network must have a unique Device Number 0 to 31 The GGM may be configured for any device number When shipped from the factory the GGM dip switches are configured for device number 29 and for communication baud rate of 153 6K standard Available dip switch settings are illustrated on the GGM itself and in Figure 2 3 below 8 7 6 5 4 3 2 1 Genius Bus Address CC dl Binary Weight 7 6 baud rate l 0 0 153 6K extended 0 1 38 4K 1 0 76 8K 1 1 153 6K standard 8 output disable 0 illegal 1 normal Figure 2 3 GENI DIP Switch Assignments MAN0026 02 2 6 Modbus Configuration PAGE 13 CH 2 The GGM s Modbus Main RS 232 port is configured with two 8 position dip switches which are mounted on a circuit board in one of the GGM s expansion slots These switches are labeled SW1 and SW2 and are accessible from the front of the GGM Proper configuration of the switches is illustrated in Figure 2 4 below SW1 8 7 6 5 4 ine de
5. to Modbus UO Mapping cnn nn cn cnn conan nn nn ncnnnns 18 3 7 Programming the Starting Modbus Reference with the Hand Held Monitor 20 CHAPTER 4 MAPPING GENIUS I O INTO MODBUS cnn nannrnnanins 21 4 1 Genius Hand Held Monitor Setup ono cnnnn cnn naar rn nn cnn nn rra rr nncnnnn 21 APPENDIX A SERIAL PORT WIRING A 23 PAGE 8 09 AUG 2000 MAN0026 02 NOTES MAN0026 02 09 AUG 2000 PAGE 9 CH 1 CHAPTER 1 INTRODUCTION Congratulations on your purchase of the Horner APG Genius Gateway GGM The HE660GGM100 is a Modbus to Genius Gateway module which allows a RTU Modbus M Master to access Genius Bus Data as though it were Modbus I O Modbus is a communications protocol used widely in distributed control systems DCS supervisory control and data acquisition systems SCADA and remote terminal unit RTU installations GE Fanuc s Genius I O Network is a versatile and powerful Distributed I O system offering superior performance and diagnostic capabilities Horner APG s Genius Gateway GGM allows DCS SCADA and RTU applications to use Genius as its I O system 1 1 What You Have The Horner APG Genius Gateway Module GGM comes complete with the following items A Stand alone GGM in a backplate mountable aluminum enclosure B IBM compatible I O mapping utility Available February 1993 C This manual 1 2 Genius Gateway Features The Horner GGM provides the following features A Self en
6. A the 128 64 32 16 8 SW2 8 7 6 5 4 Modbus Slave Address 1 247 Binary Weight 3 2 1 baud rate l 0 0 0 300 0 0 1 600 0 1 0 1200 0 1 1 2400 1 0 0 4800 1 0 1 9600 1 1 X 19200 0 1 1 2 0 0 Odd 0 1 Even 1 X None 0 ASCII 1 RTU binary 0 disabled 1 disabled Figure 2 3 Main RS 232 Port Modbus DIP Switch Assignments PAGE 14 09 AUG 2000 MAN0026 02 CH 2 NOTES MAN0026 02 09 AUG 2000 PAGE 15 CH 3 CHAPTER 3 OPERATION As mentioned previously in the introduction the GGM100 allows Genius Distributed I O to be used with devices communicating with Modbus protocol as if the Genius I O was Modbus I O The GGM acts at once as a Genius master and a Modbus slave This chapter describes both sides of the GGM s communications first with Genius and second with Modbus Later in the chapter it describes how the GGM allows the two protocols to interact with one another the mapping of Genius UO into the Modbus I O scheme 3 1 Genius Bus Data The Genius bus uses a token passing protocol and consists of up to 32 Genius Devices numbered from 0 to 31 As a Genius Bus Controller the GGM100 1 Must be assigned a Genius Device Number from 0 to 31 see Chapter 2 2 can access Genius Bus Input and Output data from the other 31 Genius Devices 3 can provide its own Genius Bus Input and Output Data and 4 can exchange
7. HORNER APG User Manual for the HE660GGM100 Modbus Gateway Module Second Edition 09 August 2000 MAN0026 02 MAN0026 02 09 AUG 2000 PAGE 3 PREFACE This manual explains how to use the Horner APG Genius Gateway Module GGM Copyright C 2000 Horner APG LLC 640 North Sherman Drive Indianapolis Indiana 46201 All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior agreement and written permission of Horner APG LLC All software described in this document or media is also copyrighted material subject to the terms and conditions of the Horner Software License Agreement Information in this document is subject to change without notice and does not represent a commitment on the part of Horner APG LLC Genius Series 90 and Logicmaster are trademarks of GE Fanuc Automation North America Inc Alspa 8000 and P8 are trademarks of CEGELEC Modbus is a trademark of AEG Modicon For user manual updates contact Horner APG Technical Support Division at 317 916 4274 or visit our website at www heapg com PAGE 4 09 AUG 2000 MAN0026 02 LIMITED WARRANTY AND LIMITATION OF LIABILITY Horner APG LLC HE APG warrants to the original purchaser that the Genius Gateway Unit manufactur
8. RS 232 up to 19 2k baud Power Requirements 8 32 VDC 3W Operating Environment 0 to 60 C 32 to 140 F 0 to 95 relative humidity non condensing Non volatile Memory 32K Flash EPROM Atmel AT29256 MAN0026 02 09 AUG 2000 PAGE 11 CH 2 CHAPTER 2 INSTALLATION 2 1 Mounting Requirements The GGM is designed for permanent backplate mounting To install the GGM A Drill four starter holes in the mounting surface backplate as located from the drawing in Appendix A B Secure the GGM to the backplate with four 8 32 screws 2 2 Power Requirements The GGM requires a DC supply voltage between 8 and 32 volts A maximum of 3W will be drawn by the GGM The GGM power connector is a removable three position screw connector The pinout for the connector is drawn on the cover of the GGM and is recreated in Figure 2 1 Figure 2 1 Power Connector Pinout 2 3 Genius Network Connection The GGM connects to the Genius LAN as a typical Genius I O block would The connection is drawn on the front of the GGM and is reproduced in Figure 2 2 amp lalel DOOD Figure 2 2 Genius Connector Pinout PAGE 12 09 AUG 2000 MANO026 02 CH 2 2 4 Main RS 232 Connector The Main RS 232 port on the GGM is the Modbus RTU communications link to the GGM The pinout for the 9 pin D connector is illustrated in Table 2 1 Table 2 1 Main RS 232 Port Pinout Pin Signal DCD TXD RXD DTR GND DSR CTS RTS
9. closed in a backplate mountable aluminum enclosure B Integrated Genius Network Interface board GENI for communications on GE Fanuc s Genius Distributed l O Network C Standard 9 pin RS232 port communicating with Modbus slave protocol D Genius Hand Held Monitor HHM port for convenient network configuration E Spare HE BUS option slot for use with optional RS 232 RS 485 and modem boards 1 3 Hardware Description The Genius Gateway HE660GGM100 consists of four main components and one optional component They are A Metal Enclosure 2 pieces B Main Circuit Board C Genius Network Interface GENI Board D Modbus Configuration Board E Optional Auxiliary Serial Board HE BUS architecture The block diagram of the GGM is illustrated in Figure 1 1 PAGE 10 09 AUG 2000 MAN0026 02 CH 1 8 32 VDC 3W GGM100 MAIN GENI MODBUS BOARD BOARD CONF IG BOARD POWER SUPPLY BUS LOCAL BUS INTERFACE MEN HHM GENIUS PORT PORT GENIUS LAN GENIUS HHM DIP SWITCHES SHARED RAM GENIUS INTERFACE DIP SWITCHES gt LOCAL HE BUS D FUTURE OPTION BOARD MODBUS Figure 1 1 GGM100 Block Diagram 1 4 Specifications Table 1 1 Specifications Mounting Requirements Backplate mountable no NEMA rating Dimensions 10 25 H x AH x 5 25 D Genius Communications Genius Network Interface GENI Modbus Communications
10. datagrams with the other 31 Genius Devices Each Genius Device including the GGM100 itself may provide the following Genius Bus Data 1 Genius Bus Input Data up to 128 bytes 2 Genius Bus Output Data up to 128 bytes The GGM100 provides 12 bytes of Genius Bus Input Data of its own as follows 1 Genius Bus Error Count 2 bytes 2 Genius Bus Scan Time mS 2 bytes 3 Genius Device Map Error Status 4 bytes 4 Genius Device Present Status 4 bytes For information on the Genius Bus Data bytes provided by other Genius Devices refer to their individual user s manuals 3 2 Genius Bus Datagrams As mentioned above the GGM100 can exchange datagrams with other Genius Devices Some datagrams are handled automatically by the GGM100 such as the Set Status Table Address datagram and datagrams associated with log on and log off of Genius Devices For other datagrams the GGM100 simply acts as a datagram exchange buffer for the Modbus Master This is accomplished via the two special Modbus Commands Receive Datagram and Transmit Datagram described later on 3 3 Modbus l O Modbus uses a Master Slave protocol and consists of one Modbus Master and up to 247 Modbus Slaves numbered from 1 to 247 PAGE 16 09 AUG 2000 MANO026 02 CH 3 As a Modbus Slave the GGM100 1 must be assigned a Modbus Slave Address from 1 to 247 see Chapter 2 and 2 responds to commands received from the Modbus Master A Modbus Master sends commands t
11. ed by HE APG is free from defects in material and workmanship under normal use and service The obligation of HE APG under this warranty shall be limited to the repair or exchange of any part or parts which may prove defective under normal use and service within two 2 years from the date of manufacture or eighteen 18 months from the date of installation by the original purchaser whichever occurs first such defect to be disclosed to the satisfaction of HE APG after examination by HE APG of the allegedly defective part or parts THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR USE AND OF ALL OTHER OBLIGATIONS OR LIABILITIES AND HE APG NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR HE APG ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS GENIUS GATEWAY UNIT THIS WARRANTY SHALL NOT APPLY TO THIS GENIUS GATEWAY UNIT OR ANY PART THEREOF WHICH HAS BEEN SUBJECT TO ACCIDENT NEGLIGENCE ALTERATION ABUSE OR MISUSE HE APG MAKES NO WARRANTY WHATSOEVER IN RESPECT TO ACCESSORIES OR PARTS NOT SUPPLIED BY HE APG THE TERM ORIGINAL PURCHASER AS USED IN THIS WARRANTY SHALL BE DEEMED TO MEAN THAT PERSON FOR WHOM THE GENIUS GATEWAY UNIT IS ORIGINALLY INSTALLED THIS WARRANTY SHALL APPLY ONLY WITHIN THE BOUNDARIES OF THE CONTINENTAL UNITED STATES In no event whether as a result of breach of contract warranty tort including negligence or otherwise
12. evisions to This Manual This version MAN0026 03 of the Modbus Gateway User Manual contains the following revisions additions and deletions 1 Converted manual into Word format 2 Changed company name from Horner Electric Inc to Horner APG LLC PAGE 6 09 AUG 2000 MAN0026 02 NOTES MAN0026 02 09 AUG 2000 PAGE 7 Table of Contents PREFA CE EE EE 3 ABOUT PROGRAMMING EXAMPLES i 4 Revisions to Ihis Manual na RANNER 5 CHAPTER 1 INTRODUCTION i 9 dl Mat YoWHaveigi iDan sno rn rune issue esse ees 9 12 G nius Gateway e TEE 9 1 3 FHardware Deseriplion iissisanr naaS3 3950000050000 0550000 PENR R a 9 1342 Specifications notano nada np RRR PDI ananas mn lo 10 GHAPTER 2 INSTALLATION iguana nola pal oaa gica nia a a a a aai 11 2 1 Mounting Requirements n urna lapo nanne ona anice ale 11 2 2 Power Heouirements ea aiaa a daaa i Ee a aA AAN naaa Aaaa Aaaa Ea Aaa Oaea aada eaaa 11 2 3 Genius Network Connechon 11 2 4 Main SL i 12 2 57 GENI G nfiguration AA 12 2 6 Modbus Configuration cnn anne n Annaan rra nan n nn nnrnn nn ren nnnnnnnncnnnnnnnnnnes 13 CHAPTER 37 OPERATION u ern 15 331 EE BUS DAA A Net 15 3 2 Genus Be Datagram Siia ie Ahi LAI 15 3 98 2MODDUS VO EE 15 3 4 Standard Modbus Commands and Responses non ncn nan rnnnn nr nn cnn 17 3 5 Special Modbus Commands and Hesponses nn cnn nn n rn naar nn nncnnnn 17 3 6 Genius Bus Data
13. he starting Modbus address and the upper bit of which indicates register type bit or word The GGM maps Genius I O into a Modbus I O map by reading the reference address from each Genius block as well as the block configuration information which specifies which I O points are inputs and which are outputs Assigning the reference address for each block is accomplished with the Genius Hand Held Monitor HHM The I O Block setup procedure is similar to the setup of a Genius block for use with a Series 5 or Series 6 Genius Bus Controller There are some peculiarities to this setup procedure and the prescribed procedure should be carefully followed This procedure is outlined in the remainder of this chapter 4 1 Genius Hand Held Monitor Setup The Hand Held Monitor must be configured as a Series Six or Series Five Host in order to properly set the Modbus Reference Address This is accomplished via the following steps Display Press F1 HHM UTILITIES F2 ANALYZE F3 CONFIGURATION F4 Fl F1 HHM CONFIG F2 HHM SELF TEST F3 HELP F4 Fl HHM CONFIG BLOCK NO 0 chng nxt nxt PAGE 22 CH 4 09 AUG 2000 Display HHM CONFIG LANGUAGE ENGLISH tel entr nxt HHM CONFIG SELECT HOST CPU SERIES 90 tgl entr nxt HHM CONFIG SELECT HOST CPU SERIES SIX tgl entr nxt HHM CONFIG SELECT HOST CPU SERIES FIVE tgl entr nxt MAN0026 02 Press nxt tgl tgl entr for Series 6 entr MAN0026 02 09 AUG 2000 PAGE
14. lave s Slave Address that Slave executes the indicated Function Code and then returns a Modbus Response back to the Modbus Master If a Modbus Command s Slave Address is zero ALL Modbus Slaves execute the indicated Function Code and DO NOT return Modbus Respones Note that only Function Codes 5 6 15 16 72 and some sub functions of Function 8 may be broadcast in this way If a Modbus Slave detects an error it DOES NOT execute the indicated Function Code but may return an Exception Response Data contained in Modbus Commands and Modbus Responses is dependent on the Function Code while Error Check Codes are used to validate message frames The GGM100 supports the standard Exception Codes listed below in Table 3 1 Table 3 1 GGM100 Supported Exception Codes Code Meaning 01 Illegal Function 02 Illegal Data Address 03 Illegal Data Value 04 Failure in Associated Device The GGM100 supports the standard Function Codes listed in Table 3 2 on Page 18 The standard Function 8 Loopback Diagnostic Test Sub function Codes are listed in Table 3 3 on Page 18 For more specific information on the standard Exception codes Function Codes and Sub function Codes listed in this chapter refer to documentation provided by AEG Modicon 3 5 Special Modbus Commands and Responses The GGM100 supports two special Modbus commands listed in Table 3 4 on Page18 These Modbus Commands are used for exchanging datag
15. nius reference Address for Modbus I O Mapping PAGE 20 09 AUG 2000 MAN0026 02 CH 3 3 7 Programming the Starting Modbus Reference with the Hand Held Monitor Assigning a Modbus Reference to a Genius Device is accomplished with the Genius Hand Held Monitor The procedure is slightly different for digital and non digital I O blocks Programming Digital Blocks 1 Configure the Hand Held Monitor as a Series 5 Host 2 Make Active the I O Block to be configured 3 Assign an I O address Legal values are 1 32767 The HHM will show the address as OX Y where X is the starting Modbus bit address and Y is the ending address Programming Analog Blocks Including PowerT RAC 1 Configure the Hand Held Monitor as a Series 6 Host 2 Make Active the I O Block to be configured 3 Assign a REG address Legal values are 1 32767 The HHM will show the address as REGX Y where X is the starting Modbus word address and Y is the ending address MAN0026 02 09 AUG 2000 PAGE 21 CH 4 CHAPTER 4 MAPPING GENIUS I O INTO MODBUS As mentioned previously there are four different types of Modbus data Holding output Registers Input Registers Output Coils and Input Contacts Each Genius Block must be mapped into one or more of these data types Mapping of Genius I O into Modbus data types is accomplished by setting a reference address in each Genius I O Block This reference address is a 16 bit register the lower 15 bits of which indicate t
16. o the GGM100 s Modbus Slave Address to access its simulated Modbus I O to obtain status information or to exchange datagrams with a Genius Device A Modbus Slave may contain the following Modbus 1 0 1 Output Coils up to 65 536 bits 2 Input Contacts up to 65 536 bits 3 Holding Registers up to 65 536 words 4 Input Registers up to 65 536 words A Modbus Slave maintains the following status information 1 Exception Status 8 bits 2 Bus Message Count 16 bits 3 Bus CRC Error Count 16 bits 4 Bus Exception Error Count 16 bits 5 Slave Message Count 16 bits 6 Slave No Response Count 16 bits The GGM100 s Exception Status byte is defined below in Figure 3 1 7 6 5 4 3 2 1 0 Exception Status Genius HHM Present Genius Device Map Error Genius Bus Errors Excessive Genius Datagram Available Genius Datagram Overrun GENI Board Fault Main Board Fault Modbus Timeout Error Figure 3 1 GGM Exception Status Register MAN0026 02 09 AUG 2000 PAGE 17 CH 3 3 4 Standard Modbus Commands and Responses The Modbus Master sends Modbus Commands to Modbus Slaves and receives Modbus Responses returned by Modbus Slaves Modbus Commands and Modbus Responses consist of message frames in either ASCII or RTU binary format which contain the following information Slave Address Function Code Data Error Check Code POD If a Modbus Command s Slave Address matches a Modbus S
17. rams between the Modbus Master and Genius Devices PAGE 18 09 AUG 2000 MAN0026 02 CH 3 The formats for these commands and for their associated responses are described in detail in the Appendix Table 3 2 GGM Supported Function Codes Code Meaning VO Type Min Max 01 Read Coil Status Bit 2000 02 Read Input Status Bit 2000 03 Read Holding Registers Word 125 04 Read Input Registers Word 125 06 Preset Single Register Word 05 Force Single Coil O Bit O 0o _ ech 07 Read Exception Status Bit 8 08 Loopback Diagnostic Test See Table 3 2 15 Force Multiple Coils O Bit 2000 16 Preset Multiple Registers O Word 125 Table 3 3 GGM Supported Loopback Diagnostic Test Function 8 Sub functions Code Meaning UO 00 Return 2 byte query data 01 Re start communications hardware no response O 02 Return 16 bit diagnostics register 03 Change ASCII mode delimiter LF is default O 04 Force Slave into listen only mode no response O 10 Clear counters and diagnostic register O 11 Return 16 bit bus message count 12 Return 16 bit bus CRC error count 13 Return 16 bit bus exception error count 14 Return 16 bit Slave message count 15 Return 16 bit slave no response count Table 3 4 GGM Special Function Code Meaning UO 68 Receive Datagram I 72 Transmit Datagram O
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