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LUFP7
Telemecanique
User’s manual
Gateway
Profibus-DP / Modbus RTU
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LUFP9 Gateway Profibus-DP / Modbus RTU Page 4 3
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In spite of all the care taken over the writing of this document, Schneider Electric SA does not give any guarantees in relation to the information contained in it, and may not be held liable for any errors, nor for any damage which might result from its use or its application. The characteristics and operation of the products and additives presented in this document may change at any time. The description is in no way contractually binding. 4
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Table of Contents 6.1.2. RS-232 Link Protocol......................................................45 1. Introduction............................................................6 6.2. Installing AbcConf.................................................................46 1.1. Introduction to the User Guide ............................................... 6 6.3. Importing the Gateway Configuration ...................................46 1.2. Introduction to the LUFP7 Gateway ..........................
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1. Introduction 1.1. Introduction to the User Guide Chapter 1 Introduction (page 6) describes the gateway, the user guide that comes with it and the terms used in it. Chapter 2 Hardware Implementation of the LUFP7 Gateway (page 13) gives an introduction to the gateway and describes all the items used when setting it up, both inside (thumb wheels) and outside (cables and connectors) the gateway. Chapter 3 Signalling (page 23) describes the six LEDs on the front of the gateway. Chapter 4 Software
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1. Introduction 1.2. Introduction to the LUFP7 Gateway The LUFP7 gateway allows a master located on a Profibus-DP network to enter into a dialogue with the slaves on a Modbus RTU network. This is a generic protocol converter operating in a way which is transparent to the user. This gateway allows you to interface many products marketed by Schneider Electric with a Profibus-DP network. These include TeSys U motor starters, Altivar drivers and Altistart soft start- soft stop units. 1.3. Terminolog
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1. Introduction 1.4. Notational Conventions 16#••••...............Value expressed in hexadecimal, which is equivalent to the H••••, ••••h and 0x•••• notations, sometimes used in other documents. N.B. The AbcConf softwre uses the 0x•••• notation. e.g. 16#0100 = 0x0100 = 256. 02#•••• ••••.........Value expressed in binary. The number of ‘•’ digits depends on the size of the item of data represented. Each nibble (group of 4 bits) is separated from the other nibbles by a space. Examples: byte 2#0010
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1. Introduction 1.5. Additional Documentation In the case of Modbus slaves, the features, services and adjustment of the Modbus communications are not dealt with in this document. 1.6. Introduction to the Communication “System” Architecture Profibus-DP Master Total of 16 motor starters (TeSys U model) Upstream network (Profibus-DP) Downstream network no.1 (Modbus) Downstream network no.2 ATS48 ATS46 (Modbus) VW33-A48 VW3-G46301 Downstream network no.3 (Modbus) 10
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1. Introduction Each LUFP7 Profibus-DP / Modbus RTU gateway allows one of the PLCs on the Profibus-DP network to command, control and configure up to 8 Modbus slaves. Other Profibus-DP masters on that same network can only control them. If there are more than 8 Modbus slaves, you will need to use an appropriate number of LUFP7 gateways. In the same way, if the exchanges with the Modbus slaves require more than 25 Modbus commands (that is to say more than 50 queries and responses), you will have
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1. Introduction Each LUFP7 gateway is shipped pre-configured so as to make it easier to operate and the factory settings can be used as a basis for a configuration which will best meet the user’s expectations. The typical operations applicable to this default configuration are described in chapter 6 Configuring the Gateway, page 44. The Profibus-DP network is totally separate from the Modbus network. The frames on a network are not directly “translated” by the gateway to generate frames on the
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1. Introduction — Managing Gateway ↔ Profibus-DP master exchanges — LUFP7 gateway Configuration of the Profibus-DP exchanges for the master PLC by the user (excluding programming) 0x0000 Input Hilscher : Modbus : data Configuration of Profibus-DP exchanges : : Free ♦ Type and address of the LUFP7 gateway : memory locations 0x00F3 ♦ Size of the input Profibus-DP data : : ♦ Size of the output Profibus-DP data 0x0200 Output : Modbus Export of the configuration : data : Free PL7 PRO : memory D
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2. Hardware Implementation of the LUFP7 Gateway 2.1. On Receipt After opening the packaging, check that the following element is there: • One LUFP7 Profibus-DP / Modbus RTU gateway. 2.2. Introduction to the LUFP7 Gateway The cables and other accessories for connecting to Profibus-DP and Modbus networks need to be ordered separately. Legend: Detachable power connector for the gateway ( 24V ±10%). Female RJ45 connector to a PC running AbcConf configuration software. Female RJ45 connector for
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2. Hardware Implementation of the LUFP7 Gateway 2.3. Mounting the Gateway on a DIN Rail Mounting the gateway Removing the gateway 1 1 2 2 Start by fitting the rear base of the gateway to the Start by pushing the gateway downwards (1) to upper part of the rail, pushing downwards (1) to compress the gateway’s spring. Then pull the compress the gateway’s spring. Then push the bottom of the gateway box forwards (2) until the box gateway against the DIN rail (2) until the base of the comes away from
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2. Hardware Implementation of the LUFP7 Gateway 2.5. Connecting the Gateway to the Modbus Network Three typical examples of Modbus connection for the gateway and its slaves are shown below. There are many other possible Modbus connections, but they are not covered in this document. 2.5.1. Examples of Modbus Connection Topologies • “Star” topology: This topology uses LU9GC03 Modbus hubs, which have 8 female RJ45 connectors. These hubs should be placed close to the Modbus slaves to which they are
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2. Hardware Implementation of the LUFP7 Gateway • “Bus” topology with VW3 A8 306 TF3 drop boxes: This topology uses VW3 A8 306 TF3 drop boxes to connect each of the Modbus slaves to the main section of the Modbus network. Each box should be placed in the immediate vicinity of the Modbus slave it is associated with. The cable for the main section of the Modbus network must have male RJ45 connectors (like the VW3 A8 306 R•• cable used for the “star” topology). The lead between the drop box and the
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2. Hardware Implementation of the LUFP7 Gateway • “Bus” topology with tap boxes: This topology is similar to the previous one, except that it uses TSXSCA62 subscriber connectors and/or TSXCA50 subscriber connectors. We recommend using a VW3 A68 306 connection cable and the TSXCSA•00 Modbus cables. Connect the RJ45 connector on the VW3 A68 306 cable to the Modbus connector on the LUFP7 gateway. The connections are shown below: VW3 A68 306 TSXSCA62 Modbus LUFP7 Gateway TSXCSA•00 2.5.2. Pin Outs In
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2. Hardware Implementation of the LUFP7 Gateway 2.5.3. Wiring Recommendations for the Modbus Network • Use a shielded cable with 2 pairs of twisted conductors, • connect the reference potentials to one another, • maximum length of line: 1,000 metres • maximum length of drop line / tap-off: 20 metres • do not connect more than 9 stations to a bus (slaves and one LUFP7 gateway), • cable routing: keep the bus away from power cables (at least 30 cm), make crossings at right angles if necessary, and
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2. Hardware Implementation of the LUFP7 Gateway 2) Cables: VW3 A8 306 R•• Modbus cable................................... Shielded cable with a male RJ45 connector at each (“star” topology / “bus” topology with tap boxes) end. VW3 A68 306 Modbus cable....................................... Shielded cable with a male RJ45 connector and a (“bus” topology with tap boxes) male 15 point SUB-D connector. It is used to connect a Modbus subscriber (slave or master) to a TSXSCA62 or TSXCA50 box. Shie
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2. Hardware Implementation of the LUFP7 Gateway 2.6.2. Wiring Recommendations for the Profibus-DP Network • Use a shielded cable with a twisted pair of copper conductors, preferably a type A Profibus-DP cable. • Connect the reference potentials to one another, • You may choose the transmission rate, within limits ranging from 9.6 kbit/s to 12 Mbit/s. The choice is made at network startup and applies to all network subscribers. • The maximum length of the line (segment) is inversely proportiona
