User Manual - Infosystem Technology Corporation, Ltd.
Contents
1. 103 104 Copyright 2007 Infosystem Technology Corporation Ltd 7 WM 112 Serial to Ethernet Module Software Installation A Installation Step 1 Insert the CD and click the button The Software Installation CD that came with EIO A 200 will automatically be run after inserting it into the CD ROM drive Click the Ethernet converter Setup Utilities button will bring the installation page out IEE Infosystem Techonology Software Figurel Software Install CD Auto Run Screen Shot Copyright 2007 Infosystem Technology Corporation Ltd 8 Software Installation A Installation Step 2 Click the Link of the Page Click the Link of the Page to run the Ethernet Converter Setup Tools Installation Software 2 e zen See 7 SC O 0 A Gl Dee jawa OS SBB FIHO ES E lnfosystem CDnfosystem Ethernet Converter Setup Tools Setup html Eme 584 Product Selection Guide ZAPF BE RE ZE Ethernet Converter Setup Tools T Ramm Figure2 Ethernet Converter Setup Tools Page Copyright 2007 Infosystem Technology Corporation Ltd 9 WM 112 Serial to Ethernet Module Software Installation A Installation Step 3 Press Next to Continue O Setup Ethernet Converter Setup Tool Welcome to the Ethernet Converter Setup Tool Setup Wizard This will install Ethemet Converter Setup Tool V1 0 on your computer lt is recommended2. DHCP server successfully the WM 112 converter will use the last setup parameters for its configuration The possible reason of this case is that the DHCP server is shutdown or not available Ask your network administrator for assistance if in doubt Copyright 2007 Infosystem Technology Corporation Ltd 28 WM 112 Serial to Ethernet Module Parameter Description Parameter Description SIO Port Type Socket port of serial 1 0 Type gt The local port number of the WM 112 converter to be contacted by other devices The default value is 9925 And users need to choose one communication mode for the WS 100 converter There are four different communication modes can be selected They are TCP Server TCP Client UDP Server and UDP Client TCP Server The WM 112 converter will operate at the Passive or the TCP listen mode to receive TCP connection requests from the remote client device TCP Client The WM 112 converter will operate at the Active or the TCP Active mode to request establishing a TCP connection with the remote server device UDP Server The WM 112 converter will operate at the UDP Server mode to send and receive UDP datagram to from the remote device UDP Client The WM 112 converter will operate at the UDP Client mode to send and receive UDP datagram to from the remote device specified in Remote Host IP address and Remote Host Port NOTE SIO port number 502 is reserved for the Modb
3. Re ee Ko a ee a TK 40 WM 112 Serial to Ethernet Module Disclaimers The information in this manual has been carefully checked and is believed to be accurate Infosystem Technology Corporation Ltd assumes no responsibility for any infringements of patents or other rights of third parties which may result from its use Infosystem assumes no responsibility for any inaccuracies that may be contained in this document Infosystem makes no commitment to update or to keep current the information contained in this manual Infosystem reserves the right to make improvements to this document and or product at any time without notice No part of this publication may be reproduced stored in a retrieval system or transmitted in any form of or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Infosystem Technology Corporation Ltd Copyright 2007 Infosystem Technology Corporation Ltd All rights reserved Printed in Taiwan Copyright 2007 Infosystem Technology Corporation Ltd 1 WM 112 Serial to Ethernet Module Warranty All products manufactured by Infosystem are warranted against defective materials for a period of one year from the date of delivery to the original purchaser Trademark The names used for identification only maybe registered trademark of their respective companies Copyright 2007 Infosystem Technology Corporation
4. SUB ALS gt ANA Bist alt D s HANSIS ira EREHE WERE FASS erie gt BABA Windows BA KAS O SSIS TU RA BAIR gt Copyright 2007 Infosystem Technology Corporation Ltd 35 WM 112 Serial to Ethernet Module Application Notes C Make Program exception for Firewall Step 1 Choose Exception Choose Exception in Firewall Program And add on new program of Setup Tools xi Gil ep Windows 5 KAS RARA gt Gd Ee AER ABRO alt gt PoP AI ES ETS RAR gt TE FONT E AClient Interactive User Service M File as Protocol F TP Client MSN Messenger 7 0 UPnP 3246 Windows Messenger mm Bl U i DORRERA FSE O faba E WRD Y E Windows HIERE REBAH OD Str is d ZE en Copyright 2007 Infosystem Technology Corporation Ltd 36 Application Notes C Make Program exception for Firewall Step 2 Add on New Program and Selection Choose Setup Tools to make it as an exception x eee ATAK HANA gt Sie BARD Be Depends Desktop Messenger DivX Player 2 1 e E DocFile Viewer O Dr eye 2002 FE dt ji gt DynaDoc Reader 32Bit ED Ethernet Setup Utility a as CONI x iig C Program FilesEthemet Setup UtlityEtheme AFB BERO wA Copyright 2007 Infosystem Technology Corporation Ltd 37 WM 112 Serial to Ethernet Module Application Notes C Make Program exception for Firewall Step 3 Allow Accept
5. application directory named Uninstall Ethernet Converter Setup Execution of it could let the Ethernet Converter Setup Tools clearly be removed Ethernet Converter Setup Tool Uninstall xj k Are you sure you want to completely remove Ethernet Converter Setup Tool and all of its components Figure11 Decide the Application Directory Copyright 2007 Infosystem Technology Corporation Ltd 18 WM 112 Serial to Ethernet Module Software Installation B Uninstall Step 2 Click Yes to process Ethernet Converter Setup Tool Uninstall xi Uninstall Status min Please wait while Ethemet Converter Setup Tool is removed from your computer Uninstalling Ethemet Converter Setup Tool Figure12 Process Uninstall Step 3 Finished Ethernet Converter Setup Tool Uninstall xi e 1 Ethernet Converter Setup Tool was successfully removed from your computer Figure12 Process Uninstall Copyright 2007 Infosystem Technology Corporation Ltd 19 Serial to Ethernet Module RA ES 2 ia SEN Configuration A By Browser Step 1 Ready to login IR saw we Segane Dez ea gt 6 AK Copyright 2007 Infosystem Technology Corporation Ltd 20 Serial to Ethernet Module M 112 Ee a v Ms la Ro ERR J DE S eed Configuration A By Browser Step 2 Configure your parameters EO T
6. that you close all other applications before continuing Click Next to continue or Cancel to exit Setup Figure3 Installation Welcome Message Copyright 2007 Infosystem Technology Corporation Ltd 10 WM 112 Serial to Ethernet Module Software Installation A Installation Step 4 Decide the Application Directory x Select Destination Location by Where should Ethemet Converter Setup Tool be installed E LJ Setup will install Ethemet Converter Setup Tool into the following folder To continue click Next If you would like to select a different folder click Browse Program Files Ethemet Converter Setup Browse At least 1 1 MB of free disk space is required Figure4 Decide the Application Directory Copyright 2007 Infosystem Technology Corporation Ltd 11 Software Installation A Installation Step 5 Create the Directory if not existent 2 Setup Ethernet Converter Setup Tool alo x Select Destination Location e Where should Ethemet Converter Setup Tool be installed G CJ Setup will install Ethemet Converter Setup Tool into the following folder To ce Folder Exists i x fear 9 The folder C Program Files Ethernet Converter Setup already exists Would you like to install to that folder anyway At least 1 1 MB of free disk space is required ms Tie c Figure Create Application Directory Copyright 2007 Infosystem Technology Co
7. 83 99 Return AX lt MAC gt lt IP gt lt Device ID gt Send X 99 130 83 99 Back AX 0 128 200 255 251 242 192 168 1 1 1 Example Purpose Getall the parameters of the WM 112 Syntax G lt MAC gt lt IP gt lt Setup Password gt Return Allthe parameters of the WM 112 Send G 0 128 200 255 251 242 192 168 1 1 123 Example CG for cancel Back AG lt All Messages gt Copyright 2007 Infosystem Technology Corporation Ltd 25 WM 112 Serial to Ethernet Module Configuration C By Direct Broadcast Commands User Level For General Users Admin Level For Factory Default Setting Command List B User Level Command Description Purpose Setthe parameters of WM 112 Syntax S lt MAC gt lt IP gt lt P assword gt lt P arameter gt lt Value gt A for accept Return C for cancel 5 Example Send 9 18 200 255 251 242 192 168 1 1 123 1P 192 168 1 2 Back AorC Purpose Reboot WM 112 Syntax R lt MAC gt lt IP gt lt Setup Password gt AR for accept CR for cancel Send R 0 128 200 255 251 242 192 168 1 1 123 Back AR or CR Return Example Copyright 2007 Infosystem Technology Corporation Ltd 26 WM 112 Serial to Ethernet Module Configuration C By Direct Broadcast Commands User Level For General Users Admin Level For Factory Default Setting Command List C Adm
8. AO BAY Deet Ome Joan E Bez ere Note SIO Port 502 is Reserved for the MODBUS TCP Copyright O 2007 Infosystem Technology Corporation Ltd 21 Serial to Ethernet Module AE ES 2 ia SE Configuration A By Browser Step 3 Finish and reboot Qez enne o nin Copyright O 2007 Infosystem Technology Corporation Ltd 22 Configuration B By Setup Tools Step 1 Searching the devices Step 2 Double click the selected item 9 Ethernet Converter Setup Search Device MAC Address IP Address 4C 49 52 02 00 19 192 168 1 1 Copyright 2007 Infosystem Technology Corporation Ltd 23 AWAY BUDA Serial to Ethernet Module Configuration B By Setup Tools Step 3 Configure and update your parameters Ni WS 110A Setup MAC 4C 49 52 02 00 19 VER 0 7551 e x es Greet Fam TIH ec ENEE m 9925 TCP Server y a Type of serial VO R5232 SL NTN ce Note SIO Port 502 is Reserved for the MODBUS TCP Copyright O 2007 Infosystem Technology Corporation Ltd 24 WM 112 Serial to Ethernet Module Configuration C By Direct Broadcast Commands It needs broadcasting to handle all the configurations and it allows users to code their own application software Command ListA User Level Command Description Purpose For Broadcast search Syntax X lt magic code gt Magic code 99 130
9. Any Computer Allow Accept Any Computer to finish exception 71771 xj KE ER ES EK X TA ERESMA gt ESA MGEAR IP tt gt SHRM B JKY FTE Ac L T A C RARA BR M C Beleg m 130 192 168 114 201 192 168 114 201 255 255 255 0 mE ma Copyright 2007 Infosystem Technology Corporation Ltd 38 WM 112 Serial to Ethernet Module Application Notes C Make Program exception for Firewall Step 4 Finished Finish Exception x DL Lem Windows Baqi DRAPA Ee ADRS E O EE 2 HERBIE DORAUS ABER gt PERE A RA ROB EA FU P MEA Clntl sr A Client Inter active User Service TEE WEE ah nei SC a E Y MSN pap 7 0 M UPnP tE Windows Messenger men Om Dee RNR HA ez EB FISES O REE WRD Y E Windows B ki ATE shes RATAA Srel d ZE en Copyright 2007 Infosystem Technology Corporation Ltd 39 SAS qm r 2 E 8 g E e v 3 S x 2 2 E E so eo se AH 5 es s9 ee eg al gt El Es 3 amp on NI 037 JIN eka Appendix A Application Circuit A 9A 4 2 a gt 2 g 5 y aa aa 33 all Hx j 3 az ld 301 IK Xldl NPON ZUM D I D
10. I 18 00 DD a E E jy X44 NNO9 d k a XL 0 X4 0 4 TAJ 581 22 SY d ANAN CTT AM OS TASZEZSH SBPSH CH 184 SNOJ BEN ven Tweed i HIMOd DM a tr JL ZC Copyright 2007 Infosystem Technology Corporation Ltd al s i El d 1L 1 se 2 z GND aja SIS 3 les Es IE g c 32 4 H Si E so E ado ZNOJ H OSIVZEZXYN n 11014 NIIH 40 Infosystem Copyright 2007 Infosystem Technology Corporation Ltd No 45 Lane 167 Dongnan St Hsinchu Taiwan 300 R O C TEL 886 3 562 7187 FAX 886 3 561 1435 Service E mail services infosystem com tw Web page URL http www infosystem com tw
11. Ltd 2 WM 112_ Serial to Ethernet Module Product Information A Introduction WM is module based product and it can provide an ideal solution to customized embedded systems By embedding WM Products into customized systems you can easily implement Serial to Ethernet Converting affairs WM 112 uses SoC for implementing R5232 to Ethernet functions It uses the state machine to handle TCP IP stack and brings the user a lower cost TCP IP stack with limited functions because of the limited resources WM 112 is a small size and low cost module solution It is easy to implement applications in IA Factory Automation Security or any other low data rate data transmission by using it as the coprocessor It supports ARP ICMP TCP UDP IP DHCP Client and even HTTP protocols It supports 10 100M speed at Ethernet port and 115 2Kbps on Serial Port You may use any browsers to set the parameters or just use the commands in console mode with setup tools With no doubt WM 112 will bring you the easiest managements in your applications Copyright 2007 Infosystem Technology Corporation Ltd 3 WM 112 Serial to Ethernet Module B Features gt gt Easy Configuration Setting v Software Setup Tool for Configuration Setting Y Use HTTP IE Netscape Browser for Setting Good Security Concerned v Setup Login in Password Protect V Access Password Protect v Support New Version Firmware Upgradeable Low cost and Hig
12. WM 112 Serial to Ethernet Module User Manual Version 1 0 Infosystem Technology Corporation Ltd 1 Disclaimers 00000 1 A Warranty ee Ree wee ak a we wee O a 2 B Trademark cce rea a e aa 2 2 Product Information e s s ee e a aa 3 A Introduction 8 6 ee o a 3 B Features 6 et ee ee ra e e a a a a a 4 C Applications S eo Sh ay Ne ee ar o a a O O O ov a e 5 3 Exterior s as e ee a a a a a a a a a a a 6 A Top View o ea aa aa a e a a a a 6 B PIN Assignments EE de AE a a ome Es as ca SDS ES ES ES SDS Zla AR 6 C PIN Descriptions a O o oka to la poza t a a ithe lg ck ce 7 4 Software Installation 8 A install 2 246 Bo OM he rr sb oP we a S 8 Step 1 Insert the CD and click the button 8 Step 2 Click the Link of the Page 9 Step 3 Press Nextto Continue 0000 10 Step 4 Decide the Application Directory tcc 11 Step 5 Create the Directory if not existent 12 step 6 Create Programs Shortcut lt b da o 44 13 Step 7 Decide if Desktop icon needed eene 14 Step 8 Press Install to start installation see 15 Step 9 Process Installations lt s eee tees 16 Step 10 Finish Installation see 18 B Uninstall ea a 18 Step 1 Uninstall Ethernet Convert
13. all to continue with the installation or click Back f you want to review or change any settings Destination location C Program Files Ethemet Converter Setup Start Menu folder Ethemet Converter Setup Additional tasks Additional icons Create a desktop icon Create a Quick Launch icon Figure8 Review the Installation Settings Copyright 2007 Infosystem Technology Corporation Ltd 15 WM 112 Serial to Ethernet Module Software Installation A Installation Step 9 Process Installations 9 Setup Ethernet Converter Setup Tool DO x Installing SI Please wait while Setup installs Ethemet Converter Setup Tool on your computer E Creating INI entries Figure9 Installing Copyright O 2007 Infosystem Technology Corporation Ltd 16 WM 112 Serial to Ethernet Module Software Installation A Installation Step 10 Finish Installation O Setup Ethernet Converter Setup Tool Completing the Ethernet Converter Setup Tool Setup Wizard Setup has finished installing Ethemet Converter Setup Tool on your computer The application may be launched by selecting the installed icons Click Finish to exit Setup Pro Ren n_n AAA Aa A AA Figure10 Installation Finished Copyright 2007 Infosystem Technology Corporation Ltd 17 Software Installation B Uninstall Step 1 Execute Uninstall Program Uninstall Program is located at the
14. e Exterior C PIN Descriptions Name Description TPRX The AUI receive input pairs carries the differential receives input signal from the MAU TPRX Same as the Pin 1 itis a positive differential input of the AUI VCC 5V DC Power LED LINK Active Low Active while the UTP cable is plugged and link LED RX Blinking while receiving a Ethernet Packet LED TX Blinking while transmitting a Ethernet Packet LED SYS There are three signal states of this LED 1 Blinking Per second while normal operation 2 Blink Fast while power on do self test 3 Low while error or restored factory default parameter GND GND DC power TPTX This is AUI transmit output pair contains the differential line drivers which send Manchester encoded data to the MAU TPTX Same as Pin 9 itis the Positive differentials transmit out SHIELD GND The shield GND 106 Hal Duplex Digital I O or itis a half duplex control of the RS 485 ISP SETUP Active low will cause System enter into ISP mode while power plugged in and low this pin Or Enter into Restored factory default parameter mode 105 RS 485 Digital 1 0 or itis a RS 485 or RS 422 function selector RST Reset Pin 100 Digital 1 0 101 Digital 1 O 102 Digital 1 0 RXD UART Rx data in TXD UART Tx data in RTS RS232 RTS CTS RS 232 CTS
15. er 18 Step 2 Processing thee ee ae a Re me 19 Step gt Emiehegl usos eg Soe O o Be we A 19 5 Configuration s S Wu O m 0 we SA u 5 20 A By Browser a 20 Step 1 Ready to login 20 Step 2 Configure your parameters seers 21 Step 3 Finish and reboot lt lt lt e A ee A 22 B By Setup Tools oo GP Nae e tba O Nop Mass Ses A atin a Ge 23 Step 1 Searching the devices lt ss asss seess 23 Step 2 Double click the selected item s gt 23 Step 3 Configure and update your parameters 24 C By Direct Broadcast Commands eo eee aye b arca 25 Command ListA e a 25 Command ListB gt gt gt gt s os sow sow ow s sa 26 Command ListC 5 a som moi m a ee ee ee 27 6 Parameter Description lt s Gab cm amoo Be en EE E 28 7 Application Notes gt snes O aa Ema Ee pgs 34 A Description Be ws Ae ey EE EV 34 B Disable Firewall of Windows XP SP2 ee 34 Step 1 Execute Windows Firewall lt s s s sss 34 Step 2 Close the Firewall s s 4 ams os 9 pia 35 C Make Program exception for Firewall lt es A Bob A k 36 Step 1 Choose Exception 000 36 Step 2 Add on New Program es 37 Step 3 Allow Accept any Computer 38 Step 4 Finished 39 8 Appendix b o a ee ee
16. h Reliability v Cheap and stable v Working 24Hours per day Low Power Consumption v Less than JW Power Consumption Support Necessary Network Protocols Y ARP ICMP TCP UDP IP DHCP Client HTTP Support Various Interfaces Universal Set v RJ 45 x 1 10 100M Auto MDI MDIX v Serial Port x 1 115 2Kbps RTS CTS HW flow control v RS 232 RS 485 RS 422 Software Configurable lt gt Half Duplex for RS485 lt gt Full Duplex for RS 422 lt gt 5 bits Digital I O Modbus TCP Port 502 Three Independent Sockets v Support multi sockets for serial port and Digital I O port v All protocol working independent and concurrently Copyright O 2007 Infosystem Technology Corporation Ltd WM 112 Serial to Ethernet Module C Applications Data collection Security Terminals Access Control Terminals Security Devices Time Recorders Warehouse Terminals Shop floor automation Terminals Remote Sensors and Various Meters Power monitors Power meters Environmental monitors Temperature monitors Data loggers Data Acquisitions Auto ID Scanners Barcode Scanners Magnetic Card Readers VVVVVVVVVVVVV VV VV Copyright 2007 Infosystem Technology Corporation Ltd Serial to Ethernet Module Exterior A Top View TPRX TPRX VOC LED LINK LED RX LED TX RST IO5 RS485 ISP SETUP WM 112 Module Copyright 2007 Infosystem Technology Corporation Ltd 6 WM 112 Serial to Ethernet Modul
17. in Level Command Description Purpose SetMAC of WM 112 then reboot automatically Syntax M lt Old MAC gt lt New MAC gt lt Factory Password gt AM for accept Return CM for cancel Send S 0 128 200 255 251 242 0 128 200 255 251 243 123 Back Wort Purpose SetiP for Factory settings Example Syntax lt MAC gt lt New IP gt lt Factory Password gt Al for accept CI for cancel Send 10 128 200 255 251 242 192 168 1 1 123 Back AR or CR Return Example Copyright 2007 Infosystem Technology Corporation Ltd 27 WM 112 Serial to Ethernet Module Parameter Description Parameter Description The IP address of the WM 112 converter on the TCP IP network The default Local IP address is 192 168 1 250 This address should be unigue Ask your network administrator for assistance if in doubt Subnet Mask Identifying the network class which the WM 112 converter belongs to The default S ubnet mask is 255 255 255 0 for Class C IP Ask your network administrator for assistance if in doubt The IP address of the router The default Gateway IP address is 192 168 1 254 Ask your network administrator for assistance if in doubt DHCP Client If this option is enabled that means the IP address Subnet mask and Gateway IP address of the WM 112 converter are set dynamically by the DHCP Server If the setting cannot be got from the
18. ode the Remote Host Remote Host IP IP address must be specified to establish the connection with the designated HOST server only If the WM 112 converter is used in TCP client mode or UDP client mode the Host Port No must be specified This is the port which the Remote Host IP listens for incoming data Remote Host Port Expected Time Out for the response of slave Slave Response Time Out Machines J ust Device ID for WM 112 devices Copyright O 2007 Infosystem Technology Corporation Ltd 31 WM 112 Serial to Ethernet Module Parameter Description Parameter Description When this option is enabled the TCP eee communication will be disconnected by the TPE Me Out WM 112 converter if there is no further TCP activity within the given timeout value The WM 112 converter supports the command mode which user can use to setup the parameters or get the information of the converter with UDP protocol from the remote Command Port host The default Command Port number is 65535 The command port of the WM 112 converter should be set correctly while using the command mode Please refer to appendix 1 for further Copyright 2007 Infosystem Technology Corporation Ltd 32 WM 112 Serial to Ethernet Module Parameter Description Parameter Description Setup password This password protects the Setup window of the WM 112 converter from unauthorized entry To erase an exi
19. rporation Ltd 12 WM 112 Serial to Ethernet Module Software Installation A Installation Step 6 Create Program s Shortcut 9 Setup Ethernet Converter Setup Tool wll x Select Destination Location by Where should Ethemet Converter Setup Tool be installed E LJ Setup will install Ethemet Converter Setup Tool into the following folder To continue click Next If you would like to select a different folder click Browse Program Files Ethemet Converter Setup Browse At least 1 1 MB of free disk space is required Figure6 Shortcut Creation Copyright 2007 Infosystem Technology Corporation Ltd 13 WM 112 Serial to Ethernet Module Software Installation A Installation Step 7 Decide if Desktop icon needed S Setup Ethernet Converter Setup Tool e xj Select Additional Tasks bj Which additional tasks should be performed E Select the additional tasks you would like Setup to perform while installing Ethemet Converter Setup Tool then click Next Create a Quick Launch icon Figure7 Desktop Icon Creation Copyright O 2007 Infosystem Technology Corporation Ltd 14 WM 112 Serial to Ethernet Module Software Installation A Installation Step 8 Press Install to start installation 9 Setup Ethernet Converter Setup Tool fx Ready to Install by Setup is now ready to begin installing Ethemet Converter Setup Tool on your E computer Click Inst
20. sting password just leave the Setup password text box blank Access password If this password is configured the remote host needs to send this access password one second periodically to the Check Status Port of the WM 112 converter otherwise the data transfer request will not be accepted by the WM 112 converter To erase an existing password just leave the Access password text box blank Multi Sockets Arbitration Time Period Arbitration Time period between multi sockets Default is Oms for single socket And 20 ms is Suggested when using multi sockets Copyright 2007 Infosystem Technology Corporation Ltd 33 WM 112 Serial to Ethernet Module Application Notes A Description Firewall will make the program off normal so one might choose the following solutions to Firewall program Disable or Exception B Disable Firewall of Windows XP SP2 Step 1 Execute Windows Firewall Execute Windows Firewall in Control Panel WERES FE BhE Copyright O 2007 Infosystem Technology Corporation Ltd 34 WM 112 Serial to Ethernet Module Application Notes B Disable Firewall of Windows XP SP2 Step 2 Close the Firewall Choose Close to close firewall xi p Lem X TT Windows RA A lade BPH ELE EA E l ATARI DATE le gt Y C AB ESA O BET TE BUS Fro PRR LAMERA gt JSS EEA HARAK aa M AAA D EEE E AA s fa gt ws Bat Sets
21. us TCP protocol When user connects the serial Modbus device running in Modbus RTU Slave mode the WM 112 converter can receive connection requests from Modbus TCP Master device Also when user connects the serial Modbus device running in Modbus RTU Master mode the WM 112 converter can connect to Modbus TCP Slave device Copyright O 2007 Infosystem Technology Corporation Ltd 29 WM 112 Serial to Ethernet Module Parameter Description Parameter Description DIO Port Type Reserved SIO Baud Rate Socket I O settings baud rate parity data bits Stop bits The serial parameter settings gt Baud Rate 300 bps to 115200 gt Parity None Even or odd gt Data Bits 7 or 8 gt Stop Bit 1 or2 SIO Type Type of serial 1 0 The serial interface types RS232 RS232 with RTS CTS control RS232 with RTS CTS DSR DTR control RS485 half duplex mode RS422 full duplex mode SIO Packets Gap S10 Inter C haracter Gap In some cases for example if the Modbus RTU serial protocol is used the completion of the message packet in the input buffer is determined by a character to character timeout The SIO Packets Gap of WM 112 defines this timeout period Copyright 2007 Infosystem Technology Corporation Ltd 30 WM 112 Serial to Ethernet Module Parameter Description Parameter Description If the WM 112 converter is used in TCP client mode or UDP client m
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