Moxa UC-7122 manuale d’uso

UC-7122/7124 User ’ s Manual Third Edition, May 2009 www .moxa.com/product © 2009 Moxa Inc. All righ ts reserved. Reproducti on without perm ission is pr ohibited.[...]

UC-7122/7124 User’s Manual The software d escribed in thi s manual i s furnished u nder a license agreem ent and m ay be used only in accordance with the term s of that agreement. Copyright Notice Copyright © 2009 Moxa Inc. All rights reserved. Reproducti on without perm ission is pr ohibited. Trademarks MOXA is a re gistered tra demark of M oxa[...]

Table of Contents Chapter 1 Introduction .................................................................................................. 1-1 Overview ............................................................................................................................... ... 1-2 Model Descri ptions and Pac kage Checklist ..................[...]

1 1 Chapter 1 Introduction The UC-712 2/7124 are pocket size em bedded com puters wi th 2 or 4 seri al ports, dual 10/100 Mbps Ethernet, an SD s ocket, and a USB 2.0 host port. The UC-7122/7124 are ideal for front-end device monit oring, data ac quisition, a nd protocol conversio n. Wide tem perature m odels are also available to p rovide reli able[...]

UC-7122/7124 User’s Manual Introduction Overview The UC-712 2/7124 em bedded com puters come wi th 2 or 4 R S-232/422/ 485 serial port s and dual 10/100 Mbps Ethernet LAN ports to provide users with a versatile communication platform, making these RISC-based em bedded com puters ideal for your embedded a pplications. The UC-712 2/7124 em bedded c[...]

UC-7122/7124 User’s Manual Introduction UC-7122/7124 Features The UC-712 2/7124 em bedded com puters have the following features: y Cirrus Log ic EP9302 ARM9 32-bit 200 MHz pr ocessor y 32 MB on-board RA M y 16 MB built-in flash memory y RS-232/422/485 se rial ports with software sel ectable interface y Baudrates between 50 bps and 921.6Kbps; sup[...]

UC-7122/7124 User’s Manual Introduction Power Cons umption (W ithout U SB device plu gged in) UC-7122: 340 mA @ 12 VDC UC-7124: 360 mA @ 12 VDC (With USB device plug ged in) UC-7122: 667 mA @ 12 VDC UC-7124: 700 mA @ 12 VDC Mechanical Dimensions (W x D x H) UC-7122/7 124: 77 x 1 11 x 26 m m (without wall mount ear s) Constructio n Material UC-712[...]

UC-7122/7124 User’s Manual Introduction Networking and Communications Capabilities y Simple Network Management Pr otocol (SNMP) —Monitors rem ote connections to the network. y Simple Network Time Protocol (SNTP) Client —Provides support for sy nchronizing t he device’s syste m time wit h an SNTP server, and supports D aylight Savi ngs Time.[...]

UC-7122/7124 User’s Manual Introduction Obtaining the Firmware Build Version There are tw o ways to obt ain the firm ware version of UC-7122/ 7124 em bedded comput ers. This information is particularly important for identif ying th e features supported by the computer. y Examine the welcome message after y ou log on to the computer. y Log on to t[...]

UC-7122/7124 User’s Manual Introduction An SD card has its own life cycle. Since m ost SD cards are made from a NAND Flas h, their hardware controllers implement BBM. This featur e a llows FAT to skip bad blocks if they exist. Furthermore, the mem ory space of an SD card is much larger than that of the NOR Flash. Using this space cautiously will [...]

UC-7122/7124 User’s Manual Introduction The following table lists USB m ass storage devi ces that ha ve been tested successfully for compatibility. Vendor Device Name Size CRUZER mini 128 MB Intel Flash memor y 128 MB Aboco m 128 MB P Q I 256 MB Transcend JetFlash 512 MB Transcend JetFlash 1 GB ATTENTION Some USB sto rage devices m ay not be dete[...]

2 2 Chapter 2 Getting Started In this chapte r, we expl ain how to u se a PC to ope rate a UC-71 22/7124 em bedded com puter. We will refer to the PC that connects to the UC-7122/71 24 as a development workstation , and the UC-7122/7124 embedded computer will b e called a target computer . development workstation = PC us ed to operate the embedded [...]

UC-7122/7124 User’s Manual Getting Started Starting Your UC-7122/7124 Computer Connect the SG wire to the shield ed contact located in the uppe r left c orner of t he UC-7122/ 7124 computer, and then power it up by connecting it to the power ad aptor. It takes about 30 to 60 seconds for the system to boo t up. Once the system is ready, the “Rea[...]

UC-7122/7124 User’s Manual Getting Started Step 6: Type “4 ” for “For mat Flas h Disk and Reset OS” and t hen press Enter . Step 7: After a few seconds, you will see the bootloader menu ag ain. Unplug the power line and then plug it back again. It takes about 3 minu tes to reset the operating system. Operating Your UC-7122/7124 Computer t[...]

UC-7122/7124 User’s Manual Getting Started Changing the Network Settings The UC-7122/7124 com puter comes with two or four network inte rfaces. The defa ult IP addresses and netmasks of the network interfaces are shown in the following table: Default IP Address Netmas k LAN1 192.168.3.127 255.255.255 .0 LAN2 192.168.4.127 255.255.255 .0 For most [...]

UC-7122/7124 User’s Manual Getting Started After logging on through th e console port or through a Telnet client, a list o f busybox commands are available to operate the com puter. Use “H ELP” t o displ ay all of the c ommands an d type “HELP [comm and name ]” to display e xtended help for the given com mand. Som e of these commands, suc[...]

UC-7122/7124 User’s Manual Getting Started Current pa ssword: New password: Retype ne w password: Password has been changed User List: Use the co mmand userlist to list all users. > userlist List all users System Time Management Setting the System Time Manually: Use the dat e and time commands to query the current system date/time, or to set [...]

UC-7122/7124 User’s Manual Getting Started Subnet Mask: 255.255.255.0 Default Gateway: 192.168.27.254 Adapter Name: AX887961 Description: AX887961 Adapter Index: 3 Address: 00 90 e8 00 d1 24 DHCP Enabled: YES DHCP Server: 192.168.1.95 Primary WINS: 192.168.1.98 Secondary WINS: 192.168.1.99 Lease obtained on: Wednesday, April 11 ,2007 23 : 6 : 46 [...]

UC-7122/7124 User’s Manual Getting Started 2-8 Simple Network Management Protocol (SNMP) SNMP is the st andard Internet protocol for network m anagement, an d belongs to t he TCP/IP protocol s uite. SNMP was developed to monitor and manage net works. It uses a distrib uted architecture that consists of agents and m anagers: y The SNMP agent is an[...]

3 3 Chapter 3 Web-based Management System Note: You must use Internet Explorer 5.5 or above to ac cess the web-based management system. The UC-7122/ 7124 ready-t o-run embedded computers a re network-cent ric platform s designed t o be used as fro nt-end com puters for data ac quisition a nd industri al control. Due to the distributed characteristi[...]

UC-7122/7124 User’s Manual Web-based Management Sy stem Logging onto the Web-based Management System The web-based management syste m installed in the UC-7122 /7124 computer inco rporates often-use d features into C GI pages, an d categorizes them on a menu ba r. Before attem pting to c onnect to the m anagement system, m ake sure the network co [...]

UC-7122/7124 User’s Manual Web-based Management Sy stem Networking/Server Configuration The target com puter has two ne twork interfaces. To view or change the settings , click the Networking item on the menu bar. After the page loads, en ter the relevant details in the correspondin g text fields a nd then cli ck Update to activate the changes. S[...]

UC-7122/7124 User’s Manual Web-based Management Sy stem Binary/Text Fi le Managem ent PC users enjoy the conve nience of usin g Windows’ f riendly win dows-based file manager t o browse, delet e, and orga nize files and di rectories. M oxa’s web- based managem ent system provides the sa me kind of co nvenience for m anaging fil es on the tar [...]

UC-7122/7124 User’s Manual Web-based Management Sy stem Monitoring and Controlling Processes (Threads) At runtim e, the target com puter ma nages up to 32 a pplications t hat you can m onitor and control with the management system. To view current pro cesses, click the Processes item on the main menu bar. You can kill a process by clicking the ki[...]

A A Appendix A Firmware Upgrade Procedure The latest firm ware for M oxa’s embedde d comput ers can be dow nloaded from the down load center on Moxa’s website. For th e UC-7122/7124, we provide a solution to up load the firmware file by TFTP, and upgrade the firmware using boot lo ader utilities. The fo llowing steps show how to upgrade the fir[...]

UC-7122/7124 User’s Manual Firmware Upgrade Procedure 6. Type “2 ” TFTP Config and press “Enter”. This will guide you to th e TFTP configuration menu. 7. Select “2” and then press “Enter”. You will be asked to provide a local IP and server IP. The local IP is the IP address of your UC-7122/7124 and the server IP is the IP address [...]

UC-7122/7124 User’s Manual Firmware Upgrade Procedure 8. After providing both IP addresses, you may check the settings by typing “3” on the co mmand line. 9. Click “Esc” to return to th e previous menu. A-3[...]

UC-7122/7124 User’s Manual Firmware Upgrade Procedure Upgrading the Firmware 1. From the main menu of the boot load er utility, select “1” for Firmware Upgrade to start the firmware upgra de process. 2. Type “1” to load fi rmware image fr om your PC. When prom pted to pro vide the fil e name of the firmware file, input the firmware file n[...]

UC-7122/7124 User’s Manual Firmware Upgrade Procedure 3. Press “Enter” and then wait a few seconds for the firmware im age to download. Restart the computer after the file has been downloaded. A-5[...]

B B Appendix B Frequently Asked Questions FAQ 1 Can I change t he connectio n port for t he web serve r (HTTPD) t o somethi ng other than 80? Answer 1 Yes, you can chang e the web server port. For example, suppose that y our embedde d computer’s IP address is 192.168.3.12 7 and you wish to assign 81 as the HTTPD port nu mber. The following steps [...]

UC-7122/7124 User’s Manual Frequently Asked Ques tions St e p 8 : Log in to the em bedded computer using a T elnet client and then restart the we b server . /> services stop HTP0: /> services start HTP0: St e p 9 : T ry connecting to the server with th e new URL, as follows: http://192.168.3.127:81/ FAQ 2 What type of fi le system is suppor[...]

UC-7122/7124 User’s Manual Frequently Asked Ques tions Answer 8 Y es. Log on to the com puter from a re mote client, and then use t he “reboot” command to reboot the system. FA Q 9 Which USB specificat ions do the embedde d computers sup port? Answer 9 The embedded computers su pport USB 2. 0 and 1.1 m ass storage de vices. If you cannot find[...]

UC-7122/7124 User’s Manual Frequently Asked Ques tions St e p 2 : Enter the full path of the application in the first text field. If there any arguments are required, en ter them in the second text field. Click “Add”. St e p . 3 : Rep eat Steps 1 and 2 if additional applications ne ed to be executed on bootup . B-4[...]

UC-7122/7124 User’s Manual Frequently Asked Ques tions FAQ 12 How do I monitor pr ocesses on the embedde d computer ? Answer 12 From the Telnet/serial console, enter the command “ps” to monito r current processes. The web conso le here is a “Pr ocesses” page. Yo u can monit or processes or y ou can “kill” a pending app lication runnin[...]