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1. General Advanced Hardware Settings Data bits Parity Stop bits 9 Click OK until all dialog boxes are closed The Windows TAPI Telephony Application Programming Interface driver is now ready so that DirectSOFT can use the modem 12 ADC MDM TEL Modem Document Ol NT Last reviewed 03 17 2008 AUTOMATION IBM Compatible Local Remote Modem Modem AN MISC 003 doc Page 13 of 18 DirectSOFT setup for Remote PLC Programming The following steps show how to configure a modem connection through the programming software in order to diagnose and make changes to an Automation Direct PLC via a phone line Note You must create a Windows Modem Driver as described previously in this document On the PLC side you connect your cables as shown at the beginning of this document You will need to connect your modem to a phone line with a known number as well as any extensions and any delays required between You will also need to determine whether a 9 or area code are needed to dial out of your local site 1 Within DSLaunch right click on Comm Links to add a new link Choose modem and Next Consult the DirectSOFT Programming Manual to find additional information about creating links Link Wizard Select the communications port that the PLC is connected to Modem support cannot be configured from the Link Wizard To select modern support You must use the manual co2. no way to resolve this Be sure that the phone line on the remote end is not run around devices that cause high RF signals such as variable frequency drives You can often tell the quality of a phone line by actually calling someone and talking on this line If it is very noisy then it is most likely that you will have problems using it for PLC connectivity Poor cable quality between PLC and modem or PC and modem if using external modem If the cable between the modem and PLC is routed around devices that generate high RF signals you will most likely have problems with your connection They will need to be isolated Distance between the PLC and the modem could also be a factor 50 feet is the maximum length for RS232 You might not achieve this distance depending upon your environment example high RF signal environment Raise the timeout and retries in the link editor in DirectSOFT f you are still experiencing problems after following these steps contact Automation Direct Tech Support at 770 844 4200 15 ADC MDM TEL Modem Last reviewed 03 17 2008 Document T A AK M IBM Compatible Local emote Modem Modem AN MISC 003 doc Page 16 of 18 Connecting two PLC s together through the MDM TEL modem Wiring The modem requires a Positive 10 to 30 VDC signal to initiate the dialing Once the connection is made the modem will then source back a Positive 10 to 30 VDC signal to use in the PLC
3. ADC MDM TEL Modem Last reviewed 03 17 2008 Document m D aa i im in it WV AN MISC 003 doc Page 1 of 18 Jia N70 LEC SL C0 1 neskeen e tuner Reerntee Cem On nese Oter eun ae me nee ee nn ce aera ee nee een one l Recommended PLCs and ports to use 20 0 0 cece ccccccssessecccceeceeeeeeccceecaaeeseeecceeseuaeeseecceesesaaeseeceeeeesaaaeeeeees Cable WV TRING cess ia hsiaghankdendsaae oucteodetapesiaat ogee vised wah cactus ese eae ease ood ioe wees dow 2 MDM TEL Configuration Modem Wizard ccccccccccssssseecccececeeseeecccceeeaaaeseecceeeseaaanseecceeessuaeeeeees 3 Direct Logic PLC Port Setup siiiccaiin ci eion Sesion NE E ahve ee Maia Aceon eases 7 Windows Driver Configuration ccccccccccccccccccccesseseeccceeeeasseeecceeeesaeseeeceeeseuaeeeeeceeseuaeeeeeeeeeeauaaeeeeees 9 DirectSOFT Setup for Remote PLC Programming ccccc cece cece cece neeeseseeeeececeeeeeeeeeeaaaaaseneees 13 Troubleshooting a Modem Connection cccccccccccceeccecceeeeesesseeseeeeeceeceeeeeeesaaaaaasseeseeeeeeeeeeeeeeeeaaaas 15 Connecting two PLC s together through the MDM TEL modem ccccccecccccccccesseseeeeeeeeeeeeees 16 PEC Auto Dial Example 00 naniii ica AE A TGA 18 Introduction This document describes the techniques and procedures we have found to consistently connect a PC running DirectSOFT to a AutomationDirect PLC through the A
4. C Ladder View File Edit Search wiew Tools PLC Debug Window Help TI EDIT Xp poet G f or hawk oni Fin ee Opts gat st Help Ladder iew Turning on CO will initiate the dial up to the other PLC You can use any permissive bit here thatis appropriate For as long as this bitis on the modem will hold the connection Output going to modem Bit to initiate dial up to initiate dial up co This rung looks to see ifthe modem dial up has been initiated When the modems connect the local modem will give an inputto the PLC XO0 Once both ofthese bits are on wait for a few seconds and then start your networking rungs Confirmation bit from Output going to modem modem that connection to initiate dial up is made and timer is complete YO Modems are connected m k Modems are connected Serial port busy and timer is complete TO Hl LD LDA K2 02000 7 2000 END For Help press F1 Offline 00015 07680 250f 1 0006 001 001 18
5. DC MDM TEL modem It covers how to set up remote PLC programming and a PLC to PLC connection with a MDM TEL The document also describes how to troubleshoot a MDM TEL connection We are not suggesting that other techniques will not work nor are we suggesting that other modems will not work There is no possible way for us to test every manufacturers modems and find the settings and procedures to make those work Because of this we can only support the use of the modem that we sell We will help in whatever way we can to get you connected with other modems but we will have no specific information on the firmwares and nuances of other modems It is our suggestion that you carefully follow this document first in attempting modem communication with our PLCs If this works you can then try to achieve higher baud rates and faster throughputs Phone technology is the key to high performance There will be some sites that will not be able to achieve a higher baud rate or even a 9600 baud rate If following these steps does not get you connected please refer to the troubleshooting steps at the end of this document If this still does not get you connected please call our Tech Support at 770 844 4200 We will help you in whatever way we can We would also welcome feedback if you think that there is any other pertinent information that should be added to this document Recommended PLCs and ports to use Due to timing problems created by poor quality phon
6. SEES Er i Enable Self Dial a Transmit an ID First Phone ID Message Second Phone Send ID Delay E Sec First Number Only ACK Message Resend ID Count Resend ID Delay 2 Sec Be alae her a f a Continuous Connection Option sel Dial Retry Delay E Min a Black Com Port Till Connected Restore Factory Self Dial Defaults Read Back Self Dial Parameters lt Back Cancel Help 5 Set this page up as shown below Be sure to disable Error Correction and Command Echo and choose None for Flow Control then click on the Next button AutomationDirect com Modem Wizard Modem Parameters Please specify the required modem parameters a a Basic Modem Parameters Phone Number 1 g Enable Auto Answer on fi Rings C Ignore OTR assume OM gE Ignore Carrier Detect force OM Advanced Modem Parameters G Disable Command Echo G Disable Error Correction Flow Control None re Disable Data Compression iF Save Power After 5 Seconds Modem to Modem Speed g Fixed Speed 9600 a Auto detect Speed to 9600 User Defined AT String ed Bete Restore Factory Modem Defaults lt Back Cancel Help ADC MDM TEL Modem Last reviewed 03 17 2008 Document Tm D A i IBM Compatible Local Remote Modem Modem AUTOMATION AN MISC 003 doc Page 6 of 18 6 Click on Write Configuration to the Modem to download the parameters AutomationDire
7. ard 28600 bps Modem C m l Remove Properties Cancel Apply 10 ADC MDM TEL Modem Last reviewed 03 17 2008 Document AUTOMATION IBM Compatible Local Remote Modem Modem AN MISC 003 doc Page 11 of 18 5 Choose 9600 as the Maximum Port Speed Standard 26600 bps Modem Properties Modem Diagnostics Advanced Driver Port COMI Speaker volume Low H High Maximum Port Speed Dial Control Wait for dial tone before dialing 6 Click on the Advanced Tab and then click on Change Default Preferences Standard 28800 bps Modem Properties Diagnostics Advanced Driver Extra Settings Extra inthalization commands PO Change Detault Preferences ox tones 1 ADC MDM TEL Modem Last reviewed 03 17 2008 Document O A AUTOMATION IBM Compatible Local Remote Modem Modem AN MISC 003 doc Page 12 of 18 7 Make Port speed 9600 and choose None for Flow control Standard 28800 bps Modem Default Prefer Eg General Advanced Call preferences Disconnect a call if idle for more than ia min Cancel the call if not connected within n SBCs Data Connection Preferences Port speed Data Protocol Compression Flow contrat 8 Click on Advanced and choose 8 Data bits None Parity and 1 Stop Bits Standard 28800 bps Modem Default Preter If
8. as notification to start transmitting data Here is an example wiring diagram ET alc PEER EEE te oe ep r Bir 7 Dh ti eOebeoeade g Oo0e 00000804 You must make sure that you use the correct I O cards for this The output from the PLC to initiate the dialing of the PLC requires either a relay output card or a DC sourcing card The output from the MDM requires a sourcing input Some examples are DLO5 DO 05DR and DO 05DR D DL205 Input cards D2 08ND3 D2 16ND3 2 D2 32ND3 Output cards D2 16TD2 2 D2 04TRS D2 08TR F2 08TRS F2 08TR D2 12TR and D2 08CDR DL405 Input cards D4 08ND3S D4 16ND2 D4 16ND2F D4 32ND3 1 D4 32ND3 2 D4 64ND2 D4 16NE3 Output cards D4 16TD2 D4 32TD2 D4 08TR F4 08TRS 1 F4 08TRS 2 D4 16TR 16 ADC MDM TEL Modem US Document AN MISC 003 doc Last reviewed 03 17 2008 J T p J H Remote Modem IBM Compatible Local Modem Page 17 of 18 The modem configuration will be very similar to the settings listed earlier in this document ADC Modem Configuration The remote modem configuration will be the same as before The local modem will differ only on one screen Look at the settings below and configure your modem in this manner The only thing different will be of course the phone number you are dialing AutomationDirect com Modem Wizard Self Dial Parameters Select the appropriate Self Dial parameters for your modern a g Ena
9. axes Or ay Sounds and Keyboard Mail rN Program Updates 49 Folder Options T Administrative Tools Automatic Updates A P Fonts Game Controllers tp Network Connections Regional and Scanners and Language Cameras Taskbar and User Accounts BDE Broadcom Administrator Control Suite 2 Internet Java Options b oY Sree Portable Media Modem Devices Options Security Center Scheduled Tasks _ lt Wireless Network Set Windows Firewall System Speech Audio Devices Start Menu Configure your telephone dialing rules and modem settings 2 Choose the Modems tab and then click on Add at the bottom Phone and Modem Options Dialing Rules B gt The following modems are installed Attached To Properties Remove Apply AUTOMATION ADC MDM TEL Modem Last reviewed 03 17 2008 Document o Pia Z a a IBM Compatible Local e Modem Modem AN MISC 003 doc Page 10 of 18 3 Using the Hardware Wizard add a new modem Check the box Don t detect my modem will select it from a list Select Standard 28000 bps Modem and select the PC s serial port which the MDM TEL is connected Choose the Modems tab and then click on Properties at the bottom Phone and Modem Options Dialing Rules Modems Advanced z The following modems are installed Modem Attached To EB Stand
10. ble Self Dial First Phone Ee 0001111111 Second Phone Sell Dial Retry Count 2 Self Dial Retry Delay 2 Min P Restore Factory Selt Dial Defaults g Transmit an ID ID Message Send ID Delay ACE Message Resend ID Count Resend ID Delay a Continuous Connection Option a Block Com Fort Till Connected Read Back Selt Dial Parameters Back Cancel Help 17 ADC MDM TEL Modem Last reviewed 03 17 2008 Document 0O Da AUTOMATION IBM Compatible Local Remote Modem Modem AN MISC 003 doc Page 18 of 18 PLC Auto Dial Example Code The following example code is available on the install CD that came with your modem The PLC code needed is very simple The example shown below was written for a 250 PLC The code will differ slightly depending upon the CPU you are using the information you are requesting and the remote PLC with which you are communicating with You should write the code and setup the communication port is the same manner that you would for a direct connection between the PLCs You should always test the PLC communications with a direct connection before you attempt to place the modems in between Should you encounter difficulties this will help immensely in troubleshooting Refer to the user manual of the PLC you are using in Chapter 4 for help with the ladder setup for networking Direct Logic PLC s together W DirectSOFT 5 Programming PLCtoPL
11. ct com Modem Wizard Save Wiite Your Configuration Al this time you may write your configuration into the modem andor a file for later use You may also run up a terminal emulator to test pour configuration SE ae T Run Terminal Emulator Py Save Configuration File As Write Configuration to the Modem 7 The modem is now configured for use Depending on your intended function you may possible need to configure a Windows Modem Driver DirectSoft New Link using the Modem Driver KEPDirect New Channel using the Modem Driver or PLC Rung Logic which uses the modem ADC MDM TEL Modem Last reviewed 03 17 2008 Document O a AUTOMATION IBM Compatible Local Remote Modem Modem AN MISC 003 doc Page 7 of 18 Direct Logic PLC Port Setup This setup shows a DO 06 port 2 setup Other PLC setups will differ slightly but you should follow the same parameters appropriately Note The DCM modules are not configured through DirectSOFT You must configure the DIP switches and selector switches for the proper setup on these modules Again follow the same parameters guidelines from this example and refer to the DCM manuals for the appropriate switch settings You must first connect to the programming port of the PLC in order to configure the other port for use with the modem On the DO 06 the programming port is the left port 1 the secondary port is the right port 2 Consult the DirectSOFT progra
12. e lines old switches and many other complications associated with telephone transmissions we only recommend using the modems on the configurable ports of our PLC s These include D0 05 communication port 2 D2 250 communication port 2 D2 DCM D8 350 communication port 2 D38 DCM D4 450 communications ports 1 RS232 25 pin connector and 2 RJ 12 on top D4 DCM ADC MDM TEL Modem Document AN MISC 003 doc Page 2 of 18 Cable Wiring DO 05 comm port 2 D4 450 port 2 D2 DSCBL w null modem adapter amp gender changer PLC Port 2 MODEM RJ 12 DB9 Male Female TXD 4 RXD 3 GND 1 DO 06 port 2 D2 250 1 port 2 D2 260 port 2 D2 DSCBL 1 w null modem adapter amp gender changer PLC Port 2 MODEM LOPIN SVGA DB9 Male Male EXD 2 RAD 2 GND 7 Rio 9 E CTS Ay oe D2 DCM D3 350 port 2 D4 DCM D4 450 port 1 D3 DSCBL 2 w null modem adapter amp gender changer PLC Port 2 MODEM RJS DB9 Male Female TXD 4 RXD 2 GND 1 Last reviewed 03 17 2008 ADC MDM TEL Modem Last reviewed 03 17 2008 Document oO IT 1m PLC IBM Compatible Local Remote Modem Modem AUTOMATION AN MISC 003 doc Page 3 of 18 MDM TEL Configuration Modem Wizard The following steps show how to configure the modem for connectivity to the PLC using the Configuration Wizard Software provided with the modem Use the 9 pin s
13. erial cable to connect between the serial port of your PC and the ADC modem to download the configuration If using an ADC modem at both local and remote locations which is strongly recommended use the same settings for both 1 Click on Next to use the PLC Self Dialing Modem or choose a previously defined configuration from the Open Configuration File A 250 configuration that will work for all of our PLC s is included when you install the software AutomationDirect com Modem Wizard Welcome to the Modem Wizard Use this quick setup wizard to configure pour Industrial Modem IF you have previously saved a configuration file you may load it at this time EE Run On line Modem Documentation Modem Type PLC Self Dialing Modern MOTE Auto detection iz required before a configuration can be written to the modem If you choose to select a modem type You may auto detect at any time from the configuration screens Country Software License United States of Amenca r cared Heb _ ADC MDM TEL Modem Last reviewed 03 17 2008 Document Tm D A i IBM Compatible Local Remote Modem Modem AUTOMATION AN MISC 003 doc Page 4 of 18 2 Click onthe red banner and allow the modem to be detected AutomationDirect com Modem Wizard Communications Parameters Please specify the communications parameters for the modem You may also run the terminal emulator to test t
14. he modem or manually enter setup parameters Computer COM Port Settings ComputerModem Port Settings Device COM Baud Rate 9600 Flow Control ERDE Parity Nore Data Bits Stop Bits i MOTE Make sure these settings match the COM settings in the field al device that will be connected to Aah Aun Terminal Emulator the modem mE oie Restore Factory COM Defaults Back Cancel Help 3 Set this page up as shown below and then click on the Next button AutomationDirect com Modem Wizard Communications Parameters Please specify the communications parameters tor the modem ou may also run the terminal emulator to test the modem or manually enter setup parameters a Computer COM Port Settings ComputerModem Port Settings Device COMI Baud Rate 9600 Flow Control SEEE Parity Nore Data Bits E Stop Bits 1 NOTE Make sure these settings match the COM settings in the field af device that will be connected to 7 Run Terminal Emulator the modem ral oo a Restore Factory COM Defaults Back Cancel Help ADC MDM TEL Modem Last reviewed 03 17 2008 AUTOMATION Document AN MISC 003 doc Page 5 of 18 4 Set this page up as shown below and then click on the Next button AutomationDirect com Modem Wizard Self Dial Parameters Select the appropriate Self Dial parameters for your modem
15. ible Local Remote Modem AN MISC 003 doc Page 8 of 18 3 Set the port up as indicated below and then Write PLC changes by clicking on the indicated button setup Communication Ports Protocol Base Timeout Ww K Sequence 800 ms i DirectNET 800 mes Help MODEUS FOO ms Son Sequence 3 Characters Time out Base Timeoutx2 ATS on delay time 0 me ATS off delay time Oms Station Number La B aud rate 3600 l Stop bits Aoo o Parity None Port 2 6 Pin Modular AUTOMATION ADC MDM TEL Modem Document AN MISC 003 doc Page 9 of 18 Windows Driver Configuration Installing the Windows Modem Driver Install the standard 28800 baud modem driver in Windows to use with the ADC modem Here is the procedure for installing this driver We strongly recommend using these initial settings after you establish good communications you may try faster speeds 0000 IBM Compatible Local Modem 1 Goto Control Panel and choose Phone and Modem Options amp Control Panel File Edit View Favorites Help iy Q D fp Search Key Folders EK Last reviewed 03 17 2008 Address G Control Panel Vg Control Panel gt Switch to Category View See Also gt Windows Update Help and Support gj co Accessibility Add Hardware Options 2 Date and Time Display s SS Logitech Logitech Came amp Power Options Printers and F
16. ls a dvanced Settings Address f al Timeout 2000 ms Data Timeout 30000 ans Retnes E Cancel Help Auto 5 Choose Accept when complete and click Yes to check the connection DirectSOFT will initiate the local modem and dial the remote modem and attempt to connect to the remote PLC Please allow enough time for the modem to Dial Connect and Exchange data If everything works correctly you will see a message Successful and your link in DSLaunch will show a good status The modems CD light should be on and TR amp RD will flicker as communications occur 14 ADC MDM TEL Modem Last reviewed 03 17 2008 Document m yV R o En WV IBM Compatible Local R Mode M AN MISC 003 doc Page 15 of 18 Troubleshooting a Modem Connection 1 Remote modem is not answering Try to isolate the problem to the remote side or local If you have a Known good working PLC Modem setup try dialing into it If you are successful at this then you know the problem is on the local side Make sure that the remote modem configuration has auto answer turned on You also need to have the number of rings selected Try removing the cable between the remote modem and PLC If it answers you know the problem is in the remote cable connection Consult the diagrams towards the beginning of this document for the correct pinout If possible try using the programming cables we p
17. mming manual to find the steps necessary to install the software and access the Link Wizard 1 Click on PLC E DirectSOFT 5 Programming UNTITLED Ladder View File Edit Search Yiew Tools Debug Window Help ae eN EDIT A h E as DsP ha Open MODE Find p De ri Out Help Jata Ladder iew 2 Choose Setup Secondary Comm Port from the Setup menu i DirectSOFT 5 Programming UNTITLED Ladder View File Edit Search wiew Tools PLC Debug Window Help 1 on T 2 i 1h ae ze fi td Bop ba tak Open EX Disconnect a ee Opts A A Help Y n W2 35 Link Setup Dull bat Status Value j Ladder iew I gt x R Memory Map EDIT Fifa Tools PLC Modes creste oor xe Configure I O SE Password F2 mm Pos MM O Diagnostics gt F3 i Pause Bts D 41 3 EP Clear PLC Memory 9 Overrides Po CNPC AF2 Copy config data From PLC to Disk 2 Memory Cartridge Name AFF z F3 3 Copy config data from Disk to PLC g Retentive Ranges 4 J4 Watch Dog Timer _ NOP ar Initialize Scratch Pad Jt ShiF3 5 NOP 4 amp d0 Dcm 6 Fy Setup Sec Comm Port NOP t F d Calendar gt 7 z a mnnn E nine AL ADC MDM TEL Modem Document Dias Z Last reviewed 03 17 2008 AUTOMATION 5 IBM Compat
18. nfiguration dialog by selecting Link Editor below ne Editor e 2 Choose the PLC CPU that you are connecting to Configure Link Name ModemLink Descriptions PLE Port Frotocol PLC Family PLC Type DirectLogic 05 Series OirectLogic 06 Series Terminator 1 0 Series Unspecified Cancel Help Auto 13 ADC MDM TEL Modem Last reviewed 03 17 2008 Document Tm D T i AUTOMATION IBM Compatible Local Remote M Modem AN MISC 003 doc Page 14 of 18 3 Choose the modem driver that you created earlier on your PC and enter in the phone number for connecting to the desired PLC You will need to add a 9 if this is required in your facility You may also need to add commas for time delays when appropriate One comma equals about one second If the remote modem is already configured try calling it with a normal phone you should hear it auto answer if configured properly Configure Link Hame ModemLink Description PLE Port Protocol Modem to use Devices Standard 28800 bps Modem Where you re calling Country Area Code Use county and area codes Phone No 3 18001111111 123 Tour location My Location Properties Cancel Help Auto 4 Choose the K sequence protocol and setup the time delays as shown below Contigure Link Mame ModemLink Descriptions PLC Pot Protocol Protoco
19. rovide as well as the null modem adapter that comes with the modem Try a different cable on the local modem Verify settings for the modem driver on the PC Consult the appropriate section of this document for setting up this driver in Windows 2 Remote modem answers but the PLC doesn t connect If possible try to connect to the PLC directly from the serial port of aPC Verify that the PLC port is Ok Phone line problem Repeat connection attempt on another phone line if possible The PLC port has not been configured or improperly configured Consult the section in this document that describes the port configuration Verify the remote modem configuration Follow the steps in this document again and re download the configuration to verify the correct setup The modem driver is not configured properly Consult the steps in this document to verify modem driver setup The wrong modem may be answering This can happen on a phone network in some facilities Have someone power off the remote modem and attempt to connect again If there is an answer there is a problem with the phone network which needs to be corrected The remote modem is not on a dedicated line PBX Private Branch Exchange lines will cause problems with many different software packages 3 The PLC connects but the connection is lost intermittently when program status is turned on or during a program transfer Poor phone line quality Sometimes there is
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