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Moxa Technologies 6110 manual

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  • Page 1

    1 NPort 6110 Modbus/TCP to Serial Communication Gateway User ’ s Manual Second Edition, November 2004 Moxa Technolog ies Co., Ltd. Tel: +886-2-8919-1230 Fax: +886-2-8919-1231 Web: www.moxa.com MOXA Technical Support Worldwide: support@moxa.com.tw The Americas: support@moxa.com[...]

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    2 NPort 6110 Modbus/TCP to Serial Communication Gateway The software described in this manual is furnished under a licen se agreement and may be used only in acco rdance with the terms of that agreement. Copyright Notice Copyright  2004 Moxa T echnologies Co., Ltd. All rights reserved. Reproducti on without perm ission is prohi bited. Trademarks[...]

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    MOXA Internet Services Customer satisfaction is our number on e concern. T o ensure that customers receive the full benefit of our products, Moxa Internet Services has been set up to provide technical support, dri ver updates, product information, and user’ s ma nual updates. The following services are provided: E-mail for technical support Wo r [...]

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    Table of Contents 1. Introduc tion....................................................................................... 1-1 Overview ....................................................................................... 1-1 Features ........................................................................................ 1-2 Product S pecificatio[...]

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    1-2 Unlock ................................................................................. 4-15 Upgrade Firm ware .............................................................. 4-15 Remote Monitoring and Managem ent................................. 4-17 5. T roubleshoot ing .........................................................................[...]

  • Page 9

    1-1 1 1 1. Introduction Welcome to M oxa NPort 6110 Modbus/TCP to Serial Commun ication Gateway , an easy-to-use Ethernet to RS-232/42 2/485 Modbus Gateway. This chapter is an introductio n to NPort 6110 and includes the following sections: ❑ Overview ❑ Features ❑ Product Specif ications ❑ Package Checklist ❑ Front/Top/Rear/Bottom Panel V[...]

  • Page 10

    1-2 port that can c o nnect to m any types of Mod bus device. By t r anslating Modbus/TCP (Et h ernet) and Modb us/ASCII/RT U (Serial) protoc ols, a PLC with Ethernet can use the RS-232/485 inte rface to seam lessly c ommunicate with instruments. Powerful operation modes for versatile Modbus applications For Modbus protocol conversions, it is neces[...]

  • Page 11

    1-3 Product Specifications LAN Ethernet 10/10 0 Mbps, R J45 Protection Built-in 1.5 KV magnetic isolation Serial Interface RJ-232/422/485 x 1, DB9 (M), so ftware selectable RS-232 Signals TxD, RxD, RTS, CTS , DTR, DSR, DC D, GND RS-422 Signals Tx+, Tx-, Rx+, Rx-, RTS+, RTS-, CTS+, C TS-, GND RS-485 2-wire Sig nals Data+(A), Data-(B), GND Serial Lin[...]

  • Page 12

    1-4 Environmental Operating Tem perature 0 to 55°C (32 t o 131°F), 5 to 95% RH Storage Temperat ure -20 to 85°C (-4 to 185° F), 95% RH Regulatory Approv als EMC FCC Class B, CE Class B Safety CUL, TÜV Package Checklist NPort 6110 Modbus/TCP to Serial Commu nication Gateway with 100-2 40 VAC power adaptor (U S, Euro plugs includ ed) All models [...]

  • Page 13

    1-5 Front/Top/Rear/Bottom Panel Views 21.3 42.3 67 (2.64") unit = mm (inch) (0.8") 100.4 (3.95") (1.67") 22.0 (0.87") 4 90.2 (3.55") 78 (3.07") 6 (0.24") (0.16") 7 (0.28") 25 (0.98") 12.5 (0.49") RS-232/422/485 RESET 10/100M Ethernet PWR Link Ready Modbus/TCP to Serial Communication Gatewa[...]

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    2-1 2 2 2. Getting Started This chapter includes: ❑ Power Connect ion ❑ Serial Installation ❑ Ethernet Installation ❑ Software Installation ❑ Housing " DIN-Rail " Wall Mount Power Connection Take the following step s to connect NPort 6110’s pow er adapter. 1. Plug the power adap ter’s DC plug into NPo rt 6110’s DC- IN jack[...]

  • Page 16

    2-2 Ethernet Installation There a re two ways to u se the 10/10 0Bas eT Ethernet jack located on NPort 6110’s front pane l: 1. For most applications using NPort 6110, you will simply plu g one end of an Ethernet cable in to NPort 6110’s 100BaseT jack, and p lug the other en d into an Ethernet hub/switch connected to your network. In this case, [...]

  • Page 17

    2-3 2. You will be greeted by the Welcome window. Click on Next to continu e. 3. Enter your Name and Co mpany name in the spaces provided, a nd then click on Next to continue. 4. When the Choose Destination Locati on window appea rs, click on Next to continue. If you would like to u se a Destination Directory different than the one displ ayed, fi r[...]

  • Page 18

    2-4 5. If desire d, modify the highlig hted name i n the Program Folders text box (thi s is the name that will appear under Start # Program s ) and then click on Next to conti nue.[...]

  • Page 19

    2-5 6. Click on Next to start copying the software files. 7. Wait patiently while the files are bein g copied. The pro cedure should on ly take a few seconds. 8. The NPort Modbus Gateway Utility folder will open showing the Modbus Gateway Configurator icon.[...]

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    2-6 9. You m ay also view t his program short cut by cli cking on Start # Progra ms # NPort Modbus Gateway Utility # Modbus Gateway Configurator , as shown below.[...]

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    2-7 Housing DIN-Rail For many industrial applications, you w ill find it convenient to use the DIN-Rail attachments, as shown below. STEP 1: Use 2 screws per ear to att ach DIN-Rail mounts to each of NPort 6110’s two ears. ⇒ STEP 2: Insert the top o f the DIN-Rail into the top slot of the DIN-Rail mount. STEP 3: Push t he bottom of NPort 6110 s[...]

  • Page 22

    2-8 Wall Mount For many industrial applications, you will find it convenient to mount NPo rt 6110 on the wall, using t wo screws, as indicated bel o w. STEP 1: Scre w two screws , separated by 7.8 cm, into the wall. The heads of the screws should be no greater than 6.5 mm in diameter, and the shafts should be no greater than 3 m m in diameter. Do n[...]

  • Page 23

    3-1 3 3 3. Typical Modbus Applications In this chapter, we introduce three typical Mo dbus applications. Serial master device talks to serial slave devices over the Internet Let traditional Modbu s serial devices talk o ver the Internet… Many traditio nal serial Modbus devices can talk over RS-485, but t he RS-485 network lim its the maximum numb[...]

  • Page 24

    3-2 Ethernet master devices talk to multiple serial slave devices Connect all Modbus d evices over the Ethernet network… Most host computers and newly develope d PLCs support the Ethernet interface and run Modbus/TCP. NPort 6110 Modbu s Gateway is needed to link discr ete Serial Modbus Devices for data collect ion and c ontrol. Each NPort 6110 su[...]

  • Page 25

    3-3 Serial master devices talk to multiple Ethernet slave devices Link the Serial Master device with Ethernet Slave devices… Many HMI (Human Machine Interface) sy stems use a seria l interface and are required to access a discrete DCS (Dat a Control System). These days however, more and more DCSs suppor t Ethernet and run under Modbus/TCP slave m[...]

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    4-1 4 4 4. Configuring Modbus Gateway We discuss the following topics in this chapter: ❑ Starting Modbus Gateway Conf igurator ❑ Searching fo r NPort 6110 " Broadcast Search " Specify by IP Address ❑ Modify C onfiguration " Network Sett ings " Modbus Settings " Advanced M odbus Sett ings " Modbus Serial Settings [...]

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    4-2 Starting Modbus Gateway Configurator To start Modb us Gateway Configurato r, click on Start # Programs # NPort Modbus Gateway Utility # Modbus Gateway C onfigurator . The Modbus Gateway Configurator window will open as shown below.[...]

  • Page 29

    4-3 Searching for NPort 6110 There are two methods available to searc h the network for NPort 6110s. Broadcast Search is u sed to locate all NPort 61 10s connected to the same LAN as the host, and Se arch by IP is used to locate a specific NPort 6110, particularly if it is locat ed outside the LAN a nd can only be accessed by going through a router[...]

  • Page 30

    4-4 When the Sear ch by IP Address wi ndow opens, input the I P address of th e NPort 611 0 you want t o search for, and t hen click OK . If the search is successful, informati on related to the NPort 6110 will be displayed in the Modbus Gatew ay Configurator window. NOTE I f using the Search by IP Address fun ction fails to locate the NPort 6110 ,[...]

  • Page 31

    4-5 The Configurati o n window ope ns to the Network Settings pa ge. Refer to the following subsection s to learn more about how to configur e NPort 6110’s various settings. Network Settings The Network Settings page is use d to configu re Modbus Gateway Name , IP Address , Net mask , Default Gat eway , and IP Configuration . At the t op of the p[...]

  • Page 32

    4-6 Network Setti ngs Setting V alue Notes Modbus Gateway N ame Alp hanumeric Choose a name that easily identifies the Gateway’ s location, function, etc. IP Address 32-bit number , default = 192.168.127.25 4 The IP (Internet Pr otocol) address identifies the serv er on the TCP/IP network. Netmask 32-bit number , default = 255.255.255.0 Identifie[...]

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    4-7[...]

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    4-8 Modbus Settings Setting V alue No tes Modbus R TU Slave 1 Modbus ASCII Slav e 2 Modbus R TU Master 3 Attached Serial Device type Modbus ASCII Master 4 Set the Modbus type of the serial device attached to NPort 61 10’ s serial port. Initial delay time 100 to 32 76 ms; default = 100 m s NPort Modbus Gateway provides this setting fo r those PLCs[...]

  • Page 35

    4-9 4. Modbus ASCII Master mode works th e same as Modbus/RTU Master mode, except that the data fo rmat is Modb us/ASCII. 5. When the NPort Modbus Gat eway recei ves a command from the serial port, the ID No. range table is used identify wh ich IP address to connect to (e.g., if ID No. = 15, t hen according to the tabl e in the Modb us Settings pa [...]

  • Page 36

    4-10 Advanced Mo dbus Settings Setting V alue No tes Enable (Defau lt) Auto Slave Unit ID Disable Select En able wh en multiple Modbus devices are accessible at the sam e IP address. 1 Character T imeout 10 to 3000 ms (default = 100 ms) This parameter is active when the attached serial device is set to Modbus/R TU. 2 Message T imeout 10 to 3000 ms [...]

  • Page 37

    4-11 when Auto Slave Unit ID is “Disabled.” 2. When the Modbus serial prot ocol is set to Modbus/RTU, each message packet is determined by a character tim eout. An incorrect character timeout might cause a CRC checksum error. NPort Modbus Gateway allows a variable cha racter tim e out setting, ranging from 10 to 3000 ms, when the attached seria[...]

  • Page 38

    4-12 Modbus Serial Settings The Modbus Serial Settings page is used to configure NPor t 6110’s DB9 Male port. You can configure Interface Mode , Baud Rate , Parit y , Data Bits , Stop Bit , Flow Control , and UART FIFO . NOTE To modify the settings on this page, you must first checkmark the Change Modbus Settings box at t he top of the Modbus Set[...]

  • Page 39

    4-13 Modbus Serial Settings Setting V alue No tes RS-232 RS-422 Interface Mode RS-485 NPort 6110 supports 2-wire RS- 485 mode. Baud Rate 1200 bps to 230400 bps Parity None, Odd, Even, Space, Mark Data Bits 7, 8 Stop Bit 1, 2 Flow Contr ol None, Xon/Xof f, R TS/CTS UAR T FIFO Ena b le, Disable[...]

  • Page 40

    4-14 Password Use the Password page to set a passwo rd, change the password, or erase the password. NOTE To modify the settings on this page, you must first checkmark the Change Passw ord box at the top of the Password page. To erase an existing password, leave both the New Password an d Confirm Password text input boxes bl ank, and then click OK i[...]

  • Page 41

    4-15 Other Functions The Unlock , Start L og Monitor , and Upgrade Firmw are functions a r e described in th is section. Unlock The Unlock fu nction is used f or NPort 6110 units that are password protected. To use the function , first click on th e NPort 6110 that you wish to unlock to highlight it, and th en click on the Unlock toolbar icon, or s[...]

  • Page 42

    4-16 When the Open window a ppears, navigate to the fol der that cont ains the NPort 6110 firmware file, a nd then click on the file name. M ake sure the co rrect filename appea rs in the File name box, a nd then click on the Open bu tton to start downloading t he firmware. Once the downloading pr ocess ends, click on Close to close the Upgrade Fir[...]

  • Page 43

    4-17 Remote Monitoring and Management To troublesh oot and manage Modbus-based device connect ivity, information such as TCP/IP , Modbus pro tocol type, and Master/Sla ve type are im portant. NPort Modbus Gateway provides a powerful function that allows you to monitor the operation of each Modbus Gateway on the In ternet. The log monitor records de[...]

  • Page 44

    4-18 To start capturing the operation log, press the Start Log Moni tor button . The operation log appears with time stamp stating conn ection status for connected Modbus devices. To keep a reco rd of this monitor session, save the log to a text file. T o clear all the records, press the L og Monitor Flush button .[...]

  • Page 45

    5-1 5 5 5. Troubleshooting In this chapter, we give answers to some comm on troubleshooting q uestions related to Modbus Gateway applications. 1. ID No. mis match ID number mismatch is the most c omm on field installation problem encountered. First, make su re the ID num ber of each Modbus device c o rresponds t o the settings in the automation sof[...]

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    6-1 6 6 6. Pin Assignments NPort 6110 supports three serial interfaces: RS-232, RS -422, and 2-wire RS-485. In this chapter, we give the DB9 Male pinouts for each of these three interfaces. DB9 Male Pinouts Pin No. RS-232 RS-422 RS-485 1 DCD TxD- (A) Data-(A) 2 RxD TxD+(B) Data+(B) 3 TxD RxD+(B) --- 4 DTR RxD-(A) --- 5 GND GND GND 6 DSR RTS-(A) ---[...]

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    A-1 A A A. Declaration of Conformity Manufacturer’ s Name: Moxa Technologies Co., Ltd. Manufacturer’ s Address: Fl.4, No.135, Lane 235, Pao-C hiao Rd., Shing Tien City, Taipei, Taiwan, R.O.C. declares that the product: Product Name: Modbus Gateway Model Number: NPo rt 6110 conforms to the following standards: EMC: FCC Class B EN55022:1998 class[...]

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    B-1 B B B. Problem Report Form NPort 6110 Modbus Gateway Customer name: Company: Te l : F a x : Email: Date: 1. Moxa Pr oduct: $ NPort 61 10 (1 RS-232/422/485 port) 2. Interface: $ RS-232 $ RS-422 $ RS-485 (2-w ire) 3. Attached serial device type: $ Modbus/ASCII ○ Master ○ Slave $ Modbus/R TU ○ Master ○ Slave 4. Serial Number: ___________ 5[...]

  • Page 52

    B-2 RETURN PROCEDURE For product repair , exchange, or refund, t h e customer m ust: ♦ Provide e vidence of origi nal purchase. ♦ Obtain a Product Return Agreement (PRA) from the sales representative or dealer . ♦ Fill out the Problem Report Form (PRF). Include as much detail as possib le for a shorter product repair time. ♦ Carefully pack [...]