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1 NPort 6110 Modbus/TCP to Serial Communicat ion Gateway User ’ s Manual Third Edition, April 2005 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.
2 NPort 6110 Modbus/TCP to Serial Communication Gateway The software described in this manual is furnished under a license ag reement and may be used only in acco rdance with the terms of that agree ment. Copyright Notice Copyright © 2005 Moxa T echnologies Co.
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, driver updat es, product informati on, and user ’ s m anual updates.
Table of Contents 1. Intr oduction....................................................................................... 1-1 Overview ....................................................................................... 1-1 Features ...............
1-2 Upgrade Firmware .............................................................. 4-15 Remote Monitori ng and Ma nagement................................. 4-17 5. T roublesh ooting ....................................................................
1-1 1 1 1. Introduction Welcome to M oxa NPort 6110 Modbus/TCP to Serial Communica tion Gateway , an easy-to-use Ethernet to RS-232/42 2/485 Modbus Gateway.
1-2 port that can c onnect to many types of M odbus device. By translatin g Modbus/TCP ( Ethernet) and Mod bus/ASCII/RTU (Serial ) protocols, a PLC with Ethernet can use the RS-232/485 inte rface to seam lessly c ommunicate with instruments.
1-3 Product Specifications LAN Ethernet 10/10 0 Mbps, RJ45 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.
1-4 Environmental Operating Tem perature 0 to 55°C ( 3 2 to 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 CU.
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.
2-1 2 2 2. Getting Started This chapter includ es: T Power Connect ion T Serial Installation T Ethernet Installation T Software Installation T Housing ¾ DIN-Rail ¾ Wall Mount Power Connection Take the following step s to connect NPort 6110’s power adapter.
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 panel: 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 plug the oth er end into an Ethernet hub/switch connected to your network.
2-3 2. You will be greeted by the Welcome window. Click on Next to continue. 3. Enter your Name and Co mpany name in the spaces provided, a n d then click on Next to continue. 4. When the Choose Destination Locati on window appears, click on Nex t to continue.
2-4 5. If desire d, modify the highlighted nam e in the Program Folders te xt box (this is the name that will appear under Start Æ Program s ) and then click on Next to conti nue.
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.
2-6 9. You m ay also view t his program sho rtcut by clicking o n Start Æ Programs Æ NPort Modbus Gateway Utility Æ Modbus Gateway Configurator , as shown below.
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.
2-8 Wall Mount For many industrial applications, you will find it convenient to mount NPort 6110 on the wa ll, using two screws, as indicated below. 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.
3-1 3 3 3. Typical Modbus Applications In this chapter, we introduce three typ ical Modbus applications. Serial master device talks to serial slave devices over the Internet Let traditional Mod bus se.
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 coll ection and c ontrol.
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).
4-1 4 4 4. Configuring Modbus Gateway We discuss the following topics in this chapter: T Starting Modbus Gatewa y Configurator T Searching fo r NPort 6110 ¾ Broadcast Search ¾ Specify by IP Address .
4-2 Starting Modbus Gateway Configurator To start Modb us Gateway Configurat or, click on Start Æ Programs Æ NPort Modbus Gateway Utility Æ Modbus Gatew ay Configurat or .
4-3 Searching for NPort 6110 There are tw o methods available to search the network for NP ort 6110s. Broadcast Search is u sed to locate all NPort 61 10s connected to the same LAN as the host, and Se.
4-4 When the Sear ch by IP Address window op ens, input the IP address of the NPort 611 0 you want to searc h 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.
4-5 The Configurati on 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 confi gure Modbus Gateway Name , IP Address , Net mask , Default Gat eway , and IP Configuration .
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 Protocol) address identifies the serv er on the TCP/IP network.
4-7.
4-8 Modbus Settings Setting V alue Notes 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.
4-9 4. Modbus ASCII Master mode works th e same as Modbus/RTU Master mode, except that the data fo rmat is Modb u s/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.
4-10 Advanced Mo dbus Settings Setting V alue Notes 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.
4-11 when Auto Slave Un it ID is “Disabled.” 2. When the Modbus serial prot ocol is set to Modbus/RTU, each message packet is determined by a character timeout.
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 .
4-13 Modbus Serial Settings Setting V alue Notes 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 .
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.
4-15 Other Functions The Unlock , Start L og Monitor , and Upgrade Firmw are functio ns are described in t his section. Unlock The Unlock fu nction is used for NPort 6 110 units t hat are password protec ted.
4-16 When the Open window a ppears, navigat e to the folder that contains the NPort 6110 firmware file, a nd then click on the file name. M ake sure the correct filename appears in the Fi le name bo x, and then click on th e Open button to start downloading t he firmware.
4-17 Remote Monitoring and Management To troublesh o ot and ma nage Modbus-base d device connectivity, i nformation such as TCP/I P, Modbus pr otocol type, and Master/Sl ave type are important . NPort Modbus Gateway provides a powerful function th at allows you to monitor the operation of each Modbus Gateway on the In ternet.
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 m onitor session, save the log to a text file.
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.
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.
A-1 A A A. Declaration of Conformity Manufacturer’ s Name: Moxa Technologi es Co., Ltd. Manufacturer’ s Address: Fl.4, No.135, Lane 235, Pao- Chiao Rd.
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 6110 (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.
B-2 RETURN PROCEDURE For product repair , exchange, or refund, t he customer m ust: ♦ Provide e vidence of ori ginal purchase. ♦ Obtain a Product Return Agreement (PRA) from the sales representative or dealer . ♦ Fill out the Problem Report Form (PRF).
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