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WebRelay Users Manual

1. After power up WebRelay will wait for the device to boot before sending any ping requests The Waiting for boot message is displayed during this wait time The wait time is specified in the Delay Before First Ping After Reboot parameter under the Relay Input tab WebRelay is periodically pinging device This indicates normal operation Pinging Waiting Reply This indicates that a ping request has been sent out and WebRelay is waiting for a reply from the device Usually under normal circumstances the device will reply very quickly and there will be no time to display this message The status field looks like this when one or more ping requests have failed The top line indicates the current state It may be Pinging Waiting Reply Waiting for boot or in its Reboot Sequence The next line Failures indicates the number of consecutive ping request have failed to respond This counter is reset each time WebRelay receives a successful ping response The counter is also reset each time WebRelay re boots the device The bottom line Reboot Attempts indicates the number of consecutive times that WebRelay has re booted the device This counter is reset upon a successful ping response or when the user manually re boots the device Xytronix Research amp Design Inc page 50 Revision 3 8 WebRelay Users Manual This indicates that WebRelay is
2. Main Header Text we od e http 192 168 1 2 setup html B E v E Page v G Tools WebRelay Relay Description g e e g g Relay OFF Input Description g g Input OFF This text will be displayed in the main header area of the control page This field can be up to 25 characters in length Relay Description This text is used to describe the function of the relay on the control page This text will not appear if the Display Relay Status is set to No and ON OFF buttons are not displayed which allow relay control This field can be up to 20 characters in length Xytronix Research amp Design Inc page 46 Revision 3 8 WebRelay Users Manual The following settings 3 7 are used to set up the way the relay status is displayed Note Please be aware that when WebRelay is used for re boot purposes the relay status may or may not be the same as the device status When WebRelay is used to assert the a reset signal on the motherboard of a server for example the relay will be OFF most of the time even though the server is ON most of the time The specific re boot method used should be considered when assigning text and color to the relay Status Display Relay Status When this option is set to Yes the relay status will be displayed on the control page If it is set to No the relay status will not be displayed Status ON Color When the Disp
3. WebDRelay Users Manual Revision 3 8 Covers X WR 1R12 115 5 X WR 1R12 115 I X WR 1R12 1124 I X WR 1R12 115 E CO www ControlByWeb com a division of Xytronix Research amp Design Inc Nibley Utah USA F 2005 2015 Xytronix Research amp Design Inc Revision 3 8 WebRelay Users Manual Contents Trademark and Copyright Information Warranty FCC Statement Installation Guidelines Read Before Installing Section 1 Introduction 1 1 Features 1 2 WebRelay Models Available 1 3 Connectors amp Indicators 1 4 Example Configurations and Applications 1 4 1 Single WebRelay Device IP Network Control Only 1 4 2 Single WebRelay Device Voltage and or IP Network Control 1 4 3 Dual WebRelay Devices No Computer Required for Operation 1 4 4 Multiple WebRelay Operation No Computer Required for Operation 1 4 5 WebRelay Used for Reboot Wired in series with Power 1 4 6 WebRelay Used for Reboot Wired to Reset 1 4 7 WebRelay Used for Reboot Wired in parallel with Power Switch Section 2 Installation and Setup 2 1 Mounting 2 1 1 Wall Mounting 2 1 2 DIN Rail Mounting 2 2 Connection 2 2 1 Power Supply Connection 2 2 2 Network Connection 2 2 3 Relay Connection 2 2 4 Optically Isolated Input Connection 2 3 Establishing Communications for Setup 2 3 1 Option 1 Assign a temporary IP address to WebRelay 2 3 2 Option 2 Assign a temporary IP address to configuration c
4. LED Indicators 4 Input voltage applied Relay coil engaged Xytronix Research amp Design Inc page 62 Revision 3 8 WebRelay Users Manual Network linked Network activity Physical Operating Temperature 40 C to 65 5 C 40 F to 150 F Size 1 41in 35 7mm wide X 3 88in 98 5mm tall X 3 1 in 78 0mm deep Weight 5oz 142 grams Enclosure Material Lexan 940 UL94 VO flame rated Password Settings Password protection on setup page Yes Password protection on control page Optional Password Encoding Base 64 Max password length 10 characters Regulatory Compliance Electromagnetic Compliance IEC CISPR 22 CISPR 24 FCC 47CFRI5 I and 5 Models class B POE Model Class A EU EN55024 EN55022 Product Safety IEC 60950 1 EN 60950 1 CE FE Xytronix Research amp Design Inc page 63 Revision 3 8 WebRelay Users Manual Appendix D Mechanical Information oo www GControl ByWeb com 324 000 CN 097 000 M36 35mm DIN RAIL 000 481 2 040 2 981 Jarg 3 768 3 879 000 m 1 406 USF 8 PAN H FAN SCRFWS Xytronix Research amp Design Inc page 64
5. E Auto ON OFF Xytronix Research amp Design Inc page 49 Revision 3 8 WebRelay Users Manual Input Description and Input State The state of the optically isolated input can be displayed on the control page This may be useful to monitor the electrical state of a device Most reboot applications will not use the optically isolated input so it can be disabled in the setup so that it is not displayed Relay Description and Relay State A brief user description of the relay or device being controlled and the relay state may be displayed on the control page Note that the relay state represents the current state of the relay and may or may not represent the state of the device being controlled This is due to the fact that there are multiple reboot configurations that function differently It is recommended that in WebRelay setup appropriate text state colors and state labels be used that best represent the device being controlled ON OFF Buttons These buttons are available only when single pulse reboot options are selected in the Relay Input setup and the On Off Buttons field in the Control Page Setup is set to Yes When WebRelay is wired to correctly match the reboot logic these buttons will turn the device on and off Reboot State This field provides important information about the current status of the automatic reboot controller Each state is described below Reboot State Description
6. e Built in automatic reboot controller e Optically isolated input can be used for status monitoring local relay control or remote relay control e On Off or pulse mode e Reboot Counter XML readable only Xytronix Research amp Design Inc page 7 Revision 3 8 WebRelay Users Manual 1 2 WebRelay Models Available WebRelay is currently available in four models There are only two differences between the four models One difference is the power supply requirements and the other difference is the input voltage range on the optically isolated input Part Number Power Supply Requirements Optically Isolated Input Voltage Range X WR 1R12 115 5 5VDC 4 12VDC X WR 1R12 115 I 9 28VDC 4 12VDC X WR 1R12 1124 I 9 28VDC 11 26VDC X WR 1R12 1I5 E Power Over Ethernet or 5VDC_ 4 12VDC Xytronix Research amp Design Inc page 8 Revision 3 8 WebRelay Users Manual 1 3 Connectors amp Indicators WebRelay has two removable terminal connectors and an Ethernet connector One terminal connector is a large 3 terminal connector which is used to connect the load to the relay The other terminal connector is a smaller 5 terminal connector which is used to provide power to the internal web server connect the optically isolated input and provide a SVDC output There are four LED indicators on WebRelay labeled INPUT green RELAY green LINK green and ACT amber No
7. 00004120 Request Modbus TCP Transaction identifier 2 bytes 0x0001 Protocol identifier 2 bytes 0x0000 Length 2 bytes 0x000b Unit identifier 1 byte Oxff Modbus Function code 1 Byte 0x10 Write Multiple Registers Starting address 2 Bytes 0x0010 always start at this address Number of registers 2 Bytes 0x0002 always 2 registers Byte count 1 Byte 0x04 always 4 bytes Registers value 4 Bytes 00 00 41 20 10 second pulse time Character String Example char write registers mb request 0x00 0x01 0x00 0x00 0x00 0x0b Oxff 0x10 0x00 0x10 0x00 0x02 0x04 0x00 0x00 0x41 0x20 Response Modbus TCP Transaction identifier 2 Bytes 0x0001 Protocol identifier 2 Bytes 0x0000 Length 2 Bytes 0x0006 Unit identifier Oxff Xytronix Research amp Design Inc page 57 Revision 3 8 WebRelay Users Manual Modbus Function code 1 Byte 0x10 Write Multiple Registers Starting address 2 Bytes 0x0010 Number of registers 2 Bytes 0x0002 Modbus Error Function code 1 Byte 0x90 Exception code 1 Byte 0x01 or 2 0x02 Exception codes 0x01 Function code not supported 0x02 Incorrect starting address byte count combination char write_registers mb_response 0x00 0x01 0x00 0x00 0x00 0x06 Oxff 0x10 0x00 0x10 0x00 0x02 Xytronix Research amp Design Inc page 58 Revision 3 8 WebRelay Users Manual Appendix A Restoring Factory Default Se
8. 1 Byte 0x00 0x01 0x02 or 0x03 bit 0 relay state bit 1 input state Data Byte hex LS Data Bits binary Input State Relay State 0x00 00 off off 0x01 01 off on 0x02 10 on off 0x03 11 on on Modbus Error Function code 1 Byte 0x81 Exception code 1 Byte 0x01 or 0x02 Exception codes 0x01 Function code not supported 0x02 Incorrect starting address quantity of outputs combination Character String Example char read_coils mb_response 0x00 0x01 0x00 0x00 0x00 0x04 Oxff 0x01 0x01 0x01 3 4 2 Read Discrete Inputs Modbus Function Code 02 0x02 This function returns the state of the optically isolated input Xytronix Research amp Design Inc page 55 Revision 3 8 WebRelay Users Manual Request Modbus TCP Transaction identifier 2 Bytes 0x0001 Protocol identifier 2 Bytes 0x0000 Length 2 Bytes 0x0006 Unit identifier 1 Byte Oxff Modbus Function code 1 Byte 0x02 read inputs Starting address 2 Bytes 0x0000 always 0x0000 Quantity of inputs 2 Bytes 0x0001 always 0x0001 Character String Example char read_inputs_mb_request 0x00 0x01 0x00 0x00 0x00 0x06 Oxff 0x02 0x00 0x00 0x00 0x01 Response Modbus TCP Transaction identifier 2 Bytes 0x0001 Protocol identifier 2 Bytes 0x0000 Length 2 Bytes 0x0004 Unit identifier 1 Byte Oxff Modbus Function code 1 Byte 0x01 Read coils Byte
9. 2 Remove terminal connectors from WebRelay and make wiring connections to the terminals 3 Reconnect terminal connectors 4 Apply power It is recommended that the load device to be controlled not be connected to WebRelay until after WebRelay has been configured and tested By doing this wiring and configuration mistakes will not cause the load device to turn on unexpectedly IMPORTANT MAKE SURE WIRES ARE PROPERLY ATTACHED TO THE TERMINALS AND THAT THE TERMINALS ARE TIGHT Bad ConnectorExam ole Strand s of wire are loose E W ires are stripped too far back Good ConnectorExam ple 7s W ires are stripped correct en ountand there are no loose strands thatcan cause shorts 3 pin connector pinout Pin Description C Relay Common NO Relay Normally Open NC Relay Normally Closed Xytronix Research amp Design Inc page 17 Revision 3 8 WebRelay Users Manual 5 pin connector pinout Pin Description V IN Power supply input Connect to the positive side of the appropriate power supply DO NOT EXCEED MAXIMUM POWER SUPPLY VOLTAGE Model X WR 1R12 115 5 S5VDC Power supply Model X WR 1R12 115 I or X WR 1R12 1124 I 9 28VDC Power supply Model X WR 1R12 1I5 E Power Over Ethernet model These units do not require a power supply to be connected to this pin when the unit is connected to an 802 3af compliant network Alternatively this model can be powered
10. 25 characters in length Relay Description This text is used to describe the function of the relay on the control page This text will not appear if the Display Relay Status is set to No the On Off Buttons is set to 0 and the Pulse Button is set to No This field can be up to 20 characters in length Display Relay Status When this option is set to Yes the relay status will be displayed on the control page If it is set to No the relay status will not be displayed Status ON Color When the Display Relay Status option is set to Yes this field specifies the color that will be displayed when the relay is on coil energized Status ON Text When the Display Relay Status option is set to Yes this field specifies the text that will be displayed when the relay is on coil energized Status OF F Color When the Display Relay Status option is set to Yes this field specifies the color that will be displayed when the relay is off coil not energized Status OF F Text When the Display Relay Status option is set to Yes this field specifies the text that will be displayed when the relay is off coil not energized ON OFF Buttons This option allows the user to specify 0 7 or 2 buttons to turn the relay on or off Zero buttons disables the users ability to turn the relay on and off a pulse button may still be displayed see below One button may be used to toggle the relay on and off Two butto
11. Page Setup When Relay Mode is set to Standard Once WebRelay is set up it can be controlled and monitored using a web browser by accessing its control page Titles colors and basic contents of the control page can be customized by setting the appropriate options on the Control Page Setup page Note that this setup page only affects the control web page and does not affect the function of WebRelay in any way This section describes the Control Page Setup page when the relay mode is set to Standard The next section will describe the setup page for Automatic Reboot mode 0O E http 192 168 1 2 setup html gt f Live Search a om ae http 192168 1 2 setup htmil amp gt db v i Page v Tools v weBkelay Tia erste a gt cem VW ebRelay AGTA LHE Relay Description Display Relay Status 2 J Status ON Color O le tee Eron Relay ON Status OFF Color ole Ut 0 ek ce Relay OFF ON OFF Buttons Cfo Tacol LE mm ON OFF bina yA e em TURN OFF Pulse Button 9 Pulse Button Label Display Input Status 2 A CLH Input Description Input ON Color 2 Input ON Text Input OFF Color Input OFF Text Auto Refresh Page w Duration Xytronix Research amp Design Inc page 43 Revision 3 8 WebRelay Users Manual Main Header Text This text will be displayed in the main header area of the control page This field can be up to
12. Users Manual When a voltage is removed from the input the relay will remain in its current state toggle relay when input off When a voltage is removed from the input the relay will change states When a voltage is applied to the input the relay will remain in its current state toggle relay when input changes When a voltage is applied to the input or removed from the input the relay will change states pulse relay when input on When a voltage is applied to the input the relay will pulse for the Pulse Duration specified The voltage may remain on or be removed and the pulse time will not be affected If the voltage is applied removed and then re applied before the end of the pulse time the Pulse Duration timer will be re started it will re start each time a voltage is applied and the relay will continue to remain on until the timer expires pulse relay when input off When a voltage is removed from the input the relay will pulse for the Pulse Duration specified The voltage may remain off or be re applied and the pulse time will not be affected If the voltage is removed re applied and then removed again before the end of the pulse time the Pulse Duration timer will be re started it will re start each time a voltage is removed and the relay will continue to remain on until the timer expires pulse relay when input changes When a voltage is applied to or removed from the input the relay will pulse for the Pulse Duration s
13. WebRelay By default WebRelay comes from the factory with an IP address of 192 168 1 2 Communications with WebRelay may be established by assigning an IP address to the configuration computer that is on the same network as WebRelay for example the configuration computer could be assigned to 192 168 1 5 Instructions for changing the IP address of the computer that will be used for WebRelay configuration are given here Note that these instructions are specifically for computers with the Windows XP operating system For setup using other operating systems refer to the appropriate users manual Step 1 Open the control panel by clicking on the start menu and then clicking on Control Panel Note that control panel shown is in Classic View If control panel is in Category View select the Classic View option before proceeding My Documents Control Panel y nt File Edit View Favorites Tools Help ii y b H ae D Documents Q gt Search E gt Folders i Address e Control Panel CI My Pictures 7 g Control Panel z My Music Accessibility Add Hardware Add or Remove Administrative Automatic BDE Broadcom Options Programs Tools Updates Administrator Control Suite 2 See Also gt i m mn 9 3 My computer eee i A amp Help and Support par Date and Time Dell Wireless Folder Options Fonts Game Controllers Internet Options My Network Places WEAN Unity E Control Panel Keyboard Phone and
14. count 1 Byte 0x01 Input status 0x00 input off 0x01 input on Modbus Error Function code 1 Byte 0x82 Exception code 1 Byte 0x01 or 0x02 Exception codes 0x01 Function code not supported 0x02 Incorrect starting address quantity of outputs combination Character String Example char read_coils mb_response 0x00 0x01 0x00 0x00 0x00 0x04 Oxff 0x01 0x01 0x01 3 4 3 Write Single Coil Modbus Function Code 05 0x05 Request Modbus TCP Transaction identifier 2 Bytes 0x0001 Protocol identifier 2 Bytes 0x0000 Length 2 Bytes 0x0006 Unit identifier 1 Byte Oxff Modbus Function code 1 Byte 0x05 write coil Output address 2 Bytes 0x0000 Output value 1 Byte Oxff turn relay on 0x00 turn relay off Padding 1 Byte 0x00 char write_coil_mb_request 0x00 0x01 0x00 0x00 0x00 0x06 Oxff 0x05 0x00 0x00 Oxff 0x00 Response Modbus TCP Transaction identifier 2 Bytes 0x0001 Xytronix Research amp Design Inc page 56 Revision 3 8 WebRelay Users Manual Protocol identifier 2 Bytes 0x0000 Length 2 Bytes 0x0006 Unit identifier 1 Byte Oxff Modbus Function code 1 Byte 0x05 write coil Output address 2 Bytes 0x0000 Output value 1 Byte Oxff relay on 0x00 relay off Padding 1 Byte 0x00 Modbus Error Function code 1 Byte 0x85 Exception code 1 Byte 0x01 or 0x02 Exception codes 0x01 Function code not supported 0x02 Incorr
15. downloaded the installation file double click on the installation file to install the framework Setup 1 Download the firmware zip file from the ControlByWeb website Only a WebRelay image can be installed on WebRelay so make sure the correct image is being downloaded 2 bootloader exe will connect to WebRelay using default IP address 192 168 1 2 not the address currently assigned to WebRelay After the update all settings will be lost and the device will return to its default IP address of 192 168 1 2 Configure the PC to the same subnet as the IP address 192 168 1 2 such as 192 168 1 10 For instructions on doing this see section 2 3 Establishing Communications for Setup Note The IP address of WebRelay will automatically be set to the default 192 168 1 2 during the update process Note A crossover cable cannot be used during the update procedure an ethernet switch will be necessary to properly update the firmware 3 Open the bootloader exe utility on the computer by double clicking on the downloaded file Figure Appendix B 1 4 Within the ControlByWeb Programmer utility programmer select File then Open Specify the firmware image downloaded from the ControlByWeb web site EE ControlByWeb Programmer V1 5 Upload Firmware Xytronix Research amp Design Inc page 60 Revision 3 8 WebRelay Users Manual Device Upgrade Procedure Carefully follow the following steps to put We
16. must be entered here for the remote commands to have any effect Keep Alive When any option in the Remote Relay Options setting is selected other than no remote relay control the Keep Alive option may be turned on to keep the TCP connection to the remote WebRelay unit alive If the connection is alive commands sent to the remote unit will change the state of the remote relay almost instantly with a good network connection If the connection is not alive commands sent to the remote unit will be delayed a few seconds while the connection is being setup There are three options available in this field NO When this option is selected the TCP connection between the two units will be terminated if there is a time gap more than about 50 seconds between commands Once the connection is closed the two WebRelay units must re establish a connection before the next command can be sent This means that when the input voltage toggles it may take a few seconds for the remote relay to respond In many cases this delay may not be a problem This option uses the least network bandwidth and is the most secure because communications only take place when the input voltage changes YES No TX State When this option is selected a message is sent to the remote unit every 50 seconds to keep the TCP connection alive The message does not contain the state of the local input If power is lost and the control voltage changes while the unit is not
17. to reboot the device At this point WebRelay will leave the device on but will disable the auto reboot feature The auto reboot feature will remain disabled until a user enables it through the control page or WebRelay is powered down and powered up once again This number can be set between 1 and 255 The following parameters are available when WebRelay is set to either Standard or Automatic Reboot relay mode Remote Relay Options The optically isolated input can be configured to control a WebRelay device at a remote location The Remote Relay Options setting is used to specify if and how the input affects the remote relay The options in the drop down list are described below Note that in all cases input changes will only affect the remote relay at the time the input is changed Once the change has taken place the state of the input has no effect on the state of the remote relay unless Keep Alive is set to Yes TX State In other words if the input causes the remote relay to go on a user may turn the remote relay off from the web browser even if the local input is still on no remote relay control The input has no effect on the remote relay remote command equals input When a voltage is applied to the input a command is sent to the remote WebRelay to set the relay state to on When a voltage is removed from the input a command is sent to the remote WebRelay to set the relay state to off remote command o
18. using a 5VDC power supply V IN Power supply input Connect to the negative side of the appropriate power supply INPUT Digital Input This is the negative side of the optically isolated input Internally this terminal connects directly to an opto isolator INPUT Digital Input This is the positive side of the optically isolated input Internally this terminal connects to an opto isolator through a resistor resistor is internal 5V OUT 5VDC Out This voltage is provided as a convenient voltage source for the optically isolated input only for 4 12V input models This is used for example when dry contacts such as a switch are needed to control the input state This can be used by connecting the INPUT directly to VIN and then connecting this terminal to INPUT through a switch Do not use this output for other purposes 2 2 1 Power Supply Connection WebRelay requires power for its internal logic circuits Connect appropriate power supply to the Vint and Vin terminals Alternatively WebRelay units with the Power Over Ethernet option may be powered through the Ethernet connection instead of using an external power supply Multiple WebRelay units may be connected to a single power supply by connecting the power supply input terminals in parallel The power supply must have a high enough current rating to power all units connected see specifications for current requirements for a specif
19. ESET _ Connection RESET Switch Connector Disconnect from motherboard and connect to WebRelay Reset Cable a Connect to RESET pins on motherboard Reset Cabia Oe cei a Polarity of these wires is not important In this scenario the computer is never powered down only reset when necessary by temporarily closing the relay contacts This approach is more gentle on the computer that it controls than the approach of switching the power The Common and Normally Open contacts of WebRelay are wired to the reset circuit of the computer If the computer has an existing pushbutton switch for reset the relay contacts may be wired in parallel with the pushbutton switch This allows both local and remote reset 1 4 7 WebRelay Used for Reboot Wired in parallel with Power Switch Many computers have momentary power buttons that are wired to the motherboard similar to the way the reset button is wired The previous example that describes connecting WebRelay to the reset circuit can be used to illustrate connection Instead of connecting WebRelay contacts to the motherboard reset connect the contacts to the power control pins on the motherboard This allows the computer to be powered down without cutting off the power Xytronix Research amp Design Inc page 15 Revision 3 8 WebRelay Users Manual Section 2 Installation and Setup Installation consists of mounting WebRelay connecting to an IP n
20. IP network The device to be controlled is wired in series with the relay contacts Note that a fuse or circuit breaker is shown to limit current overload This configuration is used for control of a device using a web browser or a control script application running on a computer Device to be Controlled Computer Fuse or Circuit Breaker Power Supply a Powers WebRelay 5VDC or 9 30VDC Power Source For device to be controlled Xytronix Research amp Design Inc page 10 WebRelay Users Manual Revision 3 8 1 4 2 Single WebRelay Device Voltage and or IP Network Control This configuration offers both network and local control In the example the light shown on the right can be controlled locally using a mechanical switch or remotely over the IP network The mechanical switch controls a 5 volt signal that is applied to the optically isolated input Each time the 5 volt signal changes turns on or off WebRelay changes the state of the relay Device to be Controlled T WebRelay uf all Computer PLC or Controller Fuse or Circuit Breaker Power Supply Powers WebRelay 5VDC or 9 30VDC Switch or sensor for Local Control Power Source For device to be controlled Xytronix Research amp Design Inc page 11 Revision 3 8 WebRelay Users Manual 1 4 3 Dual WebRelay Devices No C
21. K Modem Options Set Program Access p k and Defaults amp Portable Media Power Options Printers and Regional and Scannersand Scheduled Tasks Security Center Connect To Devices Language Cameras ym j Sa Printers and Faxes D 4g l 2 SigmaTel Audio Sounds and Symantec System Taskbar and User Accounts Audio Devices LiveUpdate Start Menu T Help and Support f es Search Wireless Link Wireless Network Setup Wizard LFF Run Step 2 Double click on the icon labeled Network Connections The following menu will pop up Xytronix Research amp Design Inc page 25 Revision 3 8 WebRelay Users Manual gt Network Connections i File Edit View Favorites Tools Advanced Help Q ack m E JO Search Folders E Address Network Connections Network Tasks Create a new connection 9 Set up a home or small office network Change Windows Firewall settings See Also Other Places Details Step 3 Right click on the icon labeled Local Area Connection Another menu will appear Select the option at the bottom of the menu labeled Properties The Local Area Connection Properties window will appear Local Area Connection Prope 2 K General Authentication Advanced Connect using HM Broadcom 440x 10 100 Integrated C This connection uses the following items Z QoS Packet Scheduler AEGIS Protocol IEEE 802 1x v2 3 1 7 c
22. LITY OF XYTRONIX RESEARCH amp DESIGN INC TO THE PURCHASER OR ANY OTHER PARTY EXCEED THE ORIGINAL PURCHASE PRICE OF THE PRODUCT REGARDLESS OF THE FORM OF THE CLAIM No other warranty is expressed or implied Xytronix Research amp Design Inc specifically disclaims the implied warranties or merchantability and fitness for a particular purpose Some jurisdictions may not allow the exclusion of limitation of liability for consequential or incidental damage Xytronix Research amp Design Inc page 4 Revision 3 8 WebRelay Users Manual FCC Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions e This device may not cause harmful interference e This device must accept any interference received including interference that may cause undesired operation Warning This equipment has been tested and found to comply with the limits for a Class B Class A for POE models digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turni
23. Relay Input tab is set to either pulse on T1 secs off T2 secs without pp or pulse on T1 secs off T2 secs with pp the ON OFF buttons will not be displayed in the control page In addition the option to display the ON OFF buttons will not appear in the Control Page Setup page It is recommended that the ON OFF buttons not be displayed on the control page in two distinct cases First if turning the device off causes communications with WebRelay to be lost for example WebRelay controls a router or modem which must be operating properly to remotely communicate with WebRelay In this case the user may press the OFF button and lose communications with WebRelay so he she cannot turn the device back on The second situation where not displaying the ON OFF buttons is recommended is when WebRelay is wired to control a reset line instead of power In this case the user cannot actually power off the device so ON OFF buttons are not necessary Reboot Button When this option is set to Yes the control page will display a button to reboot the device When the user presses this button WebRelay will go through the reboot sequence specified in the Reboot Options field under the Relay Input tab Auto Refresh Page Web pages traditionally display static information The WebRelay control page however displays information that is dynamic Each time the control page is loaded to the br
24. Supply Relay OFF Relay ON 10 Mbps 100 Mbps 10 Mbps 100 Mbps 9 VDC 104 mA 183 mA 229 mA 313 mA 12 VDC 79 mA 141 mA 169 mA 233 mA 24 VDC 43 mA 73 mA 88 mA 119 mA 28 VDC 38 mA 64 mA 76 mA 103 mA Model X WR 1R12 1I5 E POE Class 1 0 44Watt to 3 84Watt range Optionally can be powered with external SVDC power supply T O 1 Optically Isolated Input 1 Relay Output Relay Contacts Contact Form SPDT form c Contact Material AgSnO2 Max Voltage 240VAC 30VDC Max Current 12A Relay Control Options ON OFF or Pulsed Pulse Timer Duration 100ms to 86400 Seconds 1 day Accuracy of pulse timer 99 99 Optically Isolated Input Input Voltage 4 12VDC 5V Input models Input Current 4 7mA 25mA 5V Input models Input Voltage 11 26VDC 24V Input models Input Current 4 9mA 13 4mA 24V Input models Input Isolation 1500V Input Functions Monitor Local Relay Control Remote Relay Control Input to Local Relay Settings equal invert toggle latch pulse none Input to Remote Relay Settings equal invert toggle latch pulse none Network 10 100 Base T Ethernet Network Setup static IP address assignment TCP port selectable Connectors Power Input 5 position removable terminal strip 3 81mm terminal spacing Replacement part number Phoenix Contact 1803604 Relay 3 position removable terminal strip 7 62mm terminal spacing Replacement part number Phoenix Contact 1767012 Network 8 pin RJ 45 socket
25. a Intemet Protocol TCP IP M Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks M Show icon in notification area when connected M Notify me when this connection has limited or no connectivity Step 4 On the Local Area Connection Properties page scroll down to Internet Protocol TCP IP select it and then click the button labeled properties Xytronix Research amp Design Inc page 26 Revision 3 8 WebRelay Users Manual Internet Protocol TCP IP Properties 12 x Gores You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IP address automatically Use the following IP address IP address 192 162 1 50 Subnet mask 255 255 255 0 Default gateway Use the following DNS server addresses Prefered DNS server Altemate DNS server Step 5 Before making any changes to the network settings write down the current settings so that they can be restored once WebRelay is configured Next select the radio button labeled Use the following IP address and type in the IP address 192 168 1 50 Type in a subnet mask of 255 255 255 0 Leave the
26. a signal greater than the rated input voltage needs to be detected by the WebRelay use a signal conditioner to convert the signal to a DC signal within the input range Connecting dry contacts to the optically isolated inputs A dry contact switch can be connected to the input of the WebRelay One side of the contact is connected to 5V OUT the other side is connected to Input and a jumper cable connects the V IN to the INPUT When the contact is closed it applies 5V to the input terminals Xytronix Research amp Design Inc page 20 Revision 3 8 WebRelay Users Manual WebRelay A weky Dry Contact Connecting voltages to the optically isolated inputs AC Inputs If an AC signal voltage needs to be detected use a signal conditioner to convert the AC signal to a DC voltage within the input range An AC signal conditioner can be made using a diode or bridge rectifier and a capacitor Prepackaged signal converters are available as accessories at industrial automation distributors A simple voltage converter module manufactured by www redlion net is shown below These are available in two input voltage ranges that cover the spectrum from 4 270VAC DC These devices have a MOSFET output solid state DC contact closure which is compatible with the WebRelay s input The converter module accepts AC 50 60 Hz or DC voltages at input cycles up to 30 Hz The converter provides isolation between the input and o
27. acts can deliver more than rated maximum contact current an external fuse or circuit breaker must be used Direct access to Common Normally Open and Normally Closed contacts are provided The relay contacts may be wired in series with the power source for a device that will be controlled the load For loads greater than the maximum relay contact rating an external relay may be used The illustration below shows how a 20 Amp motor can be controlled using an external relay In the example WebRelay controls the external relay and the external relay controls the load Neutral Device to be Controlled 240V AC Power Source Line WebRelay 25 Amp Solid State Relay Power Supply Powers WebRelay 5VDC or 9 30VDC Many of the illustrations in this manual show WebRelay contacts wired in series with a power source which allows the power for the device to be switched on and off remotely In many cases however it is useful to control other functions and not just power One way to do this is to connect relay contacts in parallel with pushbutton switches within a device An example is useful to illustrate this Suppose you have a gate controller system that has a pushbutton switch that opens a gate when pressed The button that controls the gate is located on one side of a building but you want to be able to open the gate from a room on the other side of the building Since the building is pre wired for networking it is a sim
28. aphics users manual etc are property of Xytronix Research amp Design Inc 2015 WebRelay may not be opened disassembled copied or reverse engineered No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying or scanning for any purpose other than the personal use by the purchaser of this product Xytronix Research amp Design Inc assumes no responsibility for any errors that may appear in this document Whereas effort has been made to make the information in this document as useful and accurate as possible Xytronix Research amp Design Inc assumes no responsibility for the application usefulness or completeness of the information contained herein Under no circumstance will Xytronix Research amp Design Inc be responsible or liable for any damages or losses including direct indirect special incidental or consequential damages or losses arising from either the use of any information contained within this manual or the use of any products or services referenced in this manual Xytronix Research amp Design Inc reserves the right to change any product s features specifications documentation warranties fee schedules and conditions at any time and without notice Xytronix Research amp Design Inc page 3 Revision 3 8 WebRelay Users Manual Warranty This Xytronix Research amp Design Inc product has a warranty again
29. ayState 2 amp pulseTime 5 This will pulse the relay for 5 seconds state xml relayState 2 amp pulseTime 5 This will pulse the relay for 5 seconds state xml relayState 2 This will pulse the relay for the preset time 1 5 seconds Message Acknowledgment When commands are sent to WebRelay its current stat is returned in the form of an XML page Note The XML replay does not contain headers To generate an XML reply with headers use the following command Command Description stateFull xml Return the XML reply with headers The XML commands can also be sent without having WebRelay return the XML page This is accomplished by adding the noReply field as follows Command Description http 192 168 1 2 state xml relayState 1 amp noReply 1 Turn the relay ON without returning state http 192 168 1 2 state xml relayState O amp noReply 1 Turn the relay OFF without returning state 3 3 3 GET Requests GET requests can be used by custom applications to monitor and control the input and relay A few example GET requests are provided below No Password Enabled GET requests to the device for specific files Example Request home html GET home html HTTP 1 1 r n r n Xytronix Research amp Design Inc page 53 Revision 3 8 WebRelay Users Manual Example Turn Relay ON GET state xml relayState 1 HTTP 1 1 r n r n Passwor
30. bRelay This allows any PLC to control devices across an IP network Device to be WebRelay Controlled WebRelay com Circuit Breaker Digital Output Power Source Xytronix Research amp Design Inc page 12 Revision 3 8 WebRelay Users Manual 1 4 4 Multiple WebRelay Operation No Computer Required for Operation For some applications it is useful to for one WebRelay to control multiple WebRelays at remote locations There is not a way to configure a single WebRelay to control multiple WebRelays directly but it is possible to set up multiple WebRelays in a daisy chain mode so that one WebRelay controls a second WebRelay which in turn controls a third WebRelay and so on In the illustration below each WebRelay is numbered 1 2 3 and 4 A mechanical switch controls WebRelay 1 and WebRelay 1 controls WebRelay 2 which controls WebRelay 3 which controls WebRelay 4 Device To Be Controlled WebRelay 2 Control Switch Device To Be Controlled WebRelay 3 er IIE This daisy chain mode is set up by configuring the Relay options in WebRelays 1 2 and 3 to remote command equals local relay Note that the relay contacts of each WebRelay will be set to the same state as the contacts of the WebRelay that is configured to control it and not necessarily to the state of the sw
31. bRelay into bootloader mode and perform the upgrade Remove DC power from WebRelay Using a small non conductive tool press and hold the reset button While holding the reset button apply power to WebRelay The LINK and ACT lights will flash Continue to hold the reset button for the next step While holding the reset button press the Upload Firmware button at the bottom of the 5 ControlByWeb Programmer window After the programming process begins the reset button can be released 6 Programming will take approximately 20 30 seconds The LINK LED will stop flashing and remain lit during this time WebRelay will be set to factory defaults with an IP address of 192 168 1 2 6 Refer to section 2 3 Establishing Communication for Setup to reconfigure the WebRelay Verify the new version of firmware has been installed by viewing the default Setup Page with a web browser http 192 168 1 2 setup html GS ControlByWeb Programmer V1 5 mef Check Firmware compatibility Firmware compatible with device Mou can now release the reset button Erase old firmware Done Upload firmware Resetting device Done Upload Firmware Firmware update complete Xytronix Research amp Design Inc page 61 Revision 3 8 WebRelay Users Manual Appendix C Specifications Power Requirements Model X WR 1R12 115 I and X WR 1R12 1124 I Voltage 9 28VDC Current see table below Power
32. bRelay using Modbus Passwords may be up to 10 characters Note When the password is changed the password may be displayed in the browser 5 history in clear text It is advisable to clear the browsers history after setting the password vttp 192 168 1 2 setup html Windows Internet Explorer o E rx 19 E http 192 168 1 2 setup htmi Live Search 2 we k e http 192 168 1 2 setup html i i dh v Page v G Tools v z Setup Password Re enter Setup Password Enable Control Password Control Password Re enter Control Password Xytronix Research amp Design Inc page 34 Revision 3 8 WebRelay Users Manual 2 4 4 Relay Input Setup Page This page is used to set up the function of the relay and the control input Note that in this manual the relay is considered to be on when the relay coil is energized When the relay coil is on the normally open contacts are closed and the normally closed contacts are open When the relay coil is off the coil is not energized and the normally closed contacts are closed and the normally open contacts are open Also note that in this manual the input is considered to be on when a voltage is applied to the input The LEDs on the front panel of WebRelay will illuminate whenever the relay or input are in the on state http 192 168 1 2 setup html Windows Internet Explorer Fa fos Ex 0O http 192 168 1 2 setup html v gt X Live Sea
33. be displayed when the input is on voltage applied to input Input ON Text When Display Input Status is set to Yes this field specifies the text that will be displayed when the input is on voltage applied to input Input OFF Color When Display Input Status is set to Yes this field specifies the color that will be displayed when the input is off voltage is not applied to input Input OFF Text When Display Input Status is set to Yes this field specifies the text that will be displayed the input is off voltage is not applied to input Auto Refresh Page Web pages traditionally display static information The WebRelay control page however displays information that is dynamic Each time the control page is loaded to the browser it displays a snapshot of the current status of the unit If the state of the unit changes the information on the control page will be outdated unless the page is re loaded Whenever a user changes the state of the relay via the web browser the web page will automatically reload the control page to display current information If however the relay state changes due to a change in the control voltage input or due to a command sent from another machine the relay state will not be updated and the control page information will be obsolete In addition when the optically isolated input changes the control page will be obsolete until the page is refreshed WebRelay can not force the web page
34. ber of times WebRelay has automatically rebooted the device that it is controlling Note This counter only increments when reboots are initiated by the automatic reboot controller This value can be cleared by sending a clear command or is automatically cleared whenever WebRelay loses power 3 3 2 XML Control Commands can be sent to WebRelay that control the relay and change its state Commands are sent using a variable called relayState Examples of using relayState are given here Note The IP address of the device would be included on all the following commands Example http 192 168 1 2 state xml relayState 1 Turn the relay off http 192 168 1 2 state xml relayState 0 Turn the relay on http 192 168 1 2 state xml relayState 1 Command Description state xml relayState 0 Turn Relay 1 OFF state xml relayState 1 Turn Relay 1 ON state xml relayState 2 Pulse Relay Standard mode state xml relayState 3 Reboot Automatic Reboot mode state xml relayState 4 Disable automatic reboot Automatic Reboot mode state xml relayState 5 Toggle the state of the relay Standard mode In addition to the relayState command there is a command to clear the totalreboots counter To clear the counter send the following command note that 0 is the only valid number for this command Command Description state xml totalReboots 0 Clears the reboot counter When WebR
35. cal relay changes state to on a command is sent to the remote WebRelay to set the relay state to on When the local relay changes state to off a command is sent to the remote WebRelay to set the relay state to off Remote Relay IP Address When any option in the Remote Relay Options setting is selected other than no remote relay control commands are sent over the IP network to this address as the control voltage input changes Remote TCP Port When any option in the Remote Relay Options setting is selected other than no remote relay control commands are sent over the IP network to this TCP port on the remote WebRelay as the control voltage input changes Relay When any option in the Remote Relay Options setting is selected other than no remote relay control commands are sent to the remote device with this relay offset This option should ALWAYS be set to 0 unless the remote device is something other than WebRelay This is used when the remote device has multiple relays For example WebRelay Quad has 4 relays To send commands to third relay on WebRelay Quad this option would be set to 3 To send commands to the first relay on WebRelay Quad this option would be set to 1 For a more technical description of this option commands sent to remote WebRelay units look like this http 192 168 1 2 state xml relayState 1 When a 0 is entered into this field the above format is used which is requ
36. city of WebRelay makes it a very secure device As with any device to be installed on a network there are some security precautions that should be observed If WebRelay is installed on the Internet it is recommended that passwords be enabled for the control page Make sure secure passwords are used Passwords should be at least 8 characters in length and should be a combination of upper case letters lower case letters and numbers Don t use passwords that would be easy to guess For additional security a firewall may be used to limit access only to selected IP addresses Another option may be to set up a Virtual Private Network VPN between the network where WebRelay resides and the client machine web browser second WebRelay etc Final installation note This ControlByWeb product supports connection to 1 OMbps and 100Mbps networks Although 100Mbps networks are faster the amount of data transferred to and from this device is very minimal and little if any performance increase will be gained by setting it to 100Mbps There are advantages however to operate this device at 10Mbps At 10Mbps less power is required the unit runs cooler and the lifetime of the product will be extended Xytronix Research amp Design Inc page 6 Revision 3 8 WebRelay Users Manual Section 1 Introduction WebRelay is an electro mechanical relay with a built in web server It can be controlled and or monitored over any IP n
37. computer applications may be created to monitor and control WebRelay without using a web browser Monitoring the state of the input and the relay is done by sending a request to port 80 or port specified in setup for the XML page Control of the relay is done by sending GET requests to the same page on port 80 or port specified in setup This can be demonstrated by entering commands into the URL line of a web browser 3 3 1 state xml Request the current state http 192 168 1 2 state xml This will return the following XML page lt xml version 1 0 encoding utf 8 gt lt datavalues gt lt relaystate gt 1l lt relaystate gt lt inputstate gt 0 lt inputstate gt lt rebootstate gt 0 lt rebootstate gt lt totalreboots gt 0 lt totalreboots gt lt datavalues gt The tags lt relaystate gt lt inputstate gt lt rebootstate gt and lt totalreboots gt indicate the current state of the WebRelay unit Values for each tag is described below Xytronix Research amp Design Inc page 51 Revision 3 8 WebRelay Users Manual XML Tags Monitor Values lt relaystate gt 0 off coil off 1 on coil energized lt inputstate gt 0 off voltage not applied to input 1 on voltage applied to input lt rebootstate gt 0 Auto Reboot off 1 Pinging 2 Waiting for response 3 Rebooting 4 Waiting for boot lt totalreboots gt This field indicates the num
38. currently performing a reboot This may be a single pulse or two pulses with a delay between them depending upon how WebRelay is configured This indicates that WebRelay has re booted the device the maximum number of times Auto Reboot OFF p g 7 Reboot Attempts 10 specified in the Max Reboot Attempts field under the Relay Input tab The device failed to respond to any ping requests even after being re booted possibly numerous times Once the maximum number of attempts have been reached WebRelay will leave the device powered on and quit trying to perform reboot attempts This indicates that the user has turned the auto reboot feature off Note that the auto Me Aaaa reboot feature will automatically be re enabled if power is lost and restored to WebRelay Reboot Button This button may be included on the control page as specified in the setup When the user presses this button WebRelay will begin the reboot sequence as defined in the Reboot Options Auto ON OFF Button This allows the user to temporarily disable the automatic reboot feature When automatic reboot is disabled WebRelay will stop pinging the device Automatic reboot will be disabled until a user re enables it or WebRelay is powered cycled The user can re enable this feature by pressing the Auto ON OFF button or by changing any of the reboot parameters in the setup pages 3 3 XML Operation Custom
39. d Enabled If the control password is enabled in the WebRelay unit and the XML page is requested through a browser the browser will prompt the user for the password If the XML request is sent from another application and not a browser the html request will need to contain the password encoded using the base 64 encoding scheme The html request header without the password looks like this GET state xml noReply 1 HTTP 1 1 Terminated with two r n The html request header with the password looks like this GET state xml relayState l amp noReply 1 HTTP 1 1 Terminated with two r n Authorization Basic bm9uZTp3ZWJyZWxheQ Terminated with two r n Where bm9uZTp3ZWJyZWxheQ is the base 64 encoded version of the username and password none webrelay A utility is provided at http www ControlByWeb com encoder that can be used to encode the password The utility is used by simply typing the string username password into the website and pressing encode 3 4 Modbus Operation WebRelay can be controlled and read using Modbus TCP protocol This provides a standard means of using WebRelay in conjunction with devices and software from other manufacturers This section contains the information necessary to communicate with WebRelay using Modbus TCP This is not a tutorial on Modbus and it is assumed that reader is already familiar with Modbus Detailed Modbus information can be found at http www modbus org It is importa
40. default gateway field blank Click OK to apply the new settings 2 3 3 Open Configuration Web Page Once the network is set up open the setup pages by typing the following URL into the browser http 192 168 1 2 setup html Note If option 1 above was used for initial configuration replace the IP address given here with the newly assigned IP address A password is required to change any parameters The default password is webrelay do not include quotes password is case sensitive Xytronix Research amp Design Inc page 27 Revision 3 8 WebRelay Users Manual 2 4 Web Based Setup WebRelay is fully configurable through HTML 4 0 compliant web browsers such as Chrome Internet Explorer and Mozilla Firefox It has an easy to use tab based menu system which has been designed to allow the unit to be easily configured Note The default IP address of 192 168 1 2 is used in all examples If the IP address has been changed substitute the new IP address for the address shown in the examples Before proceeding make sure a network connection has been established between the computer and WebRelay This is done by typing the following URL into the web browser http 192 168 1 2 setup html Another way to check communications is to ping WebRelay From the command prompt type ping 192 168 1 2 Each setup page is described below 2 4 1 Main Setup Page This is the initial page that appears when the URL h
41. delay allows the device to boot before being pinged This time can be set from 0 to 6000 seconds 100 minutes or 1 67 hours Reboot Timer 1 T1 Pulse Time 1 in seconds See Reboot Options below for details This time can be set from 1 to 6000 seconds 100 minutes or 1 67 hours Xytronix Research amp Design Inc page 37 Revision 3 8 WebRelay Users Manual 192 16 GJO E mtp n921681 2 setuptmi w k e http 192 168 1 2 setup html weskelay Relay Mode Ping IP Address Successful Ping Period Unsuccessful Ping Period Delay Before First Ping After Reboot Reboot Timer 1 T1 Reboot Timer 2 T2 Reboot Timer 3 T3 Reboot Options pulse off T1 secs Failed Pings Before Reboot Max Reboot Attempts Remote Relay Options no remote relay control Remote Relay IP Address ii Remote TCP Port Relay Password Lary Nt YES No TX State v Reboot Timer 2 T2 Pulse Time 2 in seconds See Reboot Options below for details This time can be set from 1 to 6000 seconds 100 minutes or 1 67 hours Reboot Timer 3 T3 Pulse Time 3 in seconds See Reboot Options below for details This time can be set from 1 to 6000 seconds 100 minutes or 1 67 hours Reboot Options This parameter defines how the device will be re booted This is determined by the way WebRelay is connected to the device There are several options for connection Three reboo
42. ect starting address quantity of outputs combination Character String Example char write_coil_mb_response 0x00 0x05 0x00 0x00 0x00 0x06 Oxff 0x05 0x00 0x00 Oxff 0x00 3 4 4 Write Multiple Registers Modbus Function Code 16 0x10 This is used to pulse the relay for a specified time When WebRelay receives this command it immediately turns the relay coil on if it is not on already on and starts the pulse timer The pulse time is specified in the register value field and the time can range from 0 1 seconds to 86400 seconds 1 day When the pulse time expires the relay coil will be turned off If a pulse time command is sent with a value greater than 86400 the pulse timer will be set to 86400 Ifa pulse time command is sent with a value less than 0 1 the pulse timer will be set to 0 1 If any commands are sent to WebRelay commands may be modbus xml html or electrical input before the pulse timer has expired the pulse timer will be canceled immediately and the new command will be executed Note that the pulse time is provided in IEEE 754 floating point format The four data bytes are treated as two individual big endian 16 bit words but the least significant word is sent first In other words the 32 byte floating point number represented as ABCD is sent as CDAB In the example shown below the relay will pulse for 10 seconds Ten seconds is represented using a floating point number of 41200000 It is transferred as
43. elay is in Standard mode and the pulse command is sent the relay will pulse for the time specified in the setup page It is possible however to specify a pulse time that is different than the pulse time configured in the setup page This is done by sending an additional variable called pulseTime and the desired pulse time Xytronix Research amp Design Inc page 52 Revision 3 8 WebRelay Users Manual Command Description state xml relayState 2 Pulse the relay for the preset time state xml relayState 2 amp pulseTime 5 Pulse the relay for 5 seconds state xml relayState 2 amp pulseTime 10 Pulse the relay for 10 seconds The pulseTime variable does not change the pulse time specified in the setup page and it is not stored or recorded The pulseTime variable only changes the pulse duration for the single pulse initiated by that command In other words you must issue the pulseTime for each pulse command that differs from the preset pulse time For example suppose the pulse time is set to 1 5 seconds in the configuration pages To issue one 1 5 second pulse three five second pulses and a 1 5 second pulse once again you would issue the following commands Command Description state xml relayState 2 This will pulse the relay for the preset time 1 5 seconds state xml relayState 2 amp pulseTime 5 This will pulse the relay for 5 seconds state xml rel
44. ess to WebRelay This option is used to TEMPORARILY assign an IP address to WebRelay without the need to change the IP address of the configuration computer Note that WebRelay will only use this IP address as long as power is maintained Once power is lost and restored WebRelay will use the IP address assigned in the setup page and not the temporary address assigned here This means that once communications are established the desired IP address should be entered into the network setup page using the browser To assign the temporary IP address 1 Make sure WebRelay and the configuration computer are connected to the same physical network This will not work through routers or gateways 2 Assign the address as follows Windows Open a Command Prompt on Windows XP select START then RUN then type cmd Type arp s new IP address serial number of WebRelay Note IP address format is xxx xxx XXX XXX Serial number format is ss ss ss ss ss ss For example to set a WebRelay device with serial number 00 0C C8 01 00 01 to 10 10 10 40 the following command would be used arp s 10 10 10 40 00 Oc c8 01 00 01 Next type ping l 102 new IP address For example if the new IP address is 10 10 10 40 the following command would be used ping 1 102 10 10 10 40 Linux Unix Open a terminal change to root user su then enter root password Type arp s new IP address serial numbe
45. etup html case sensitive page into the address bar http 192 168 1 2 advSetup html This new setup page will have a text box that will allow the MTU to be changed The valid range is 256 to 1476 bytes MTU is a network parameter that stands for Maximum Transmission Unit This defines the max size in bytes of the TCP packets sent out from the device This normally can be left alone but there are some circumstances where it might be beneficial to change it One of these circumstances is when the device is to be used over a VPN virtual private network VPN s add extra information to TCP packets if the new packets are too big to physically travel across the network greater than about 1500 bytes then the packets will be split up This causes problems for some firewalls and those firewalls will just discard the packets To fix this the MTU can be adjusted until the TCP packets do not get split up Xytronix Research amp Design Inc page 33 Revision 3 8 WebRelay Users Manual 2 4 3 Password Setup Page The password setup page is used to change and enable passwords A password is required for the setup pages but is optional for the control page The password is enabled or disabled for the control page by using the Yes or No radio buttons Enabling the control page password also enables the requirement for a password when reading writing XML pages Enabling the control page password also disables the ability to communicate with We
46. etwork providing power configuring via a web browser and wiring relay contacts to the device that will be controlled Optionally a control signal may be connected to the optically isolated input 2 1 Mounting WebRelay can be be wall mounted or DIN rail mounted It should be mounted in a clean dry location where it is protected from the elements Ventilation is recommended for installations where ambient air temperature is expected to be high 2 1 1 Wall Mounting Mount WebRelay to a wall by using two 8 screws Attach the screws to the wall vertically spaced exactly 2 5 inches apart The head of the screws should be about 1 10 inch away from the wall See Appendix D for mechanical details 2 1 2 DIN Rail Mounting WebRelay can be mounted to a standard 35mm by 7 55mm DIN rail Attach WebRelay to the DIN rail by hooking the top hook on the back of the enclosure to the DIN rail and then snap the bottom hook into place Remove WebRelay from DIN rail using a flat head screwdriver Insert the screwdriver into the notch in the release tab and pry against the enclosure to release the bottom hook a Xytronix Research amp Design Inc page 16 Revision 3 8 WebRelay Users Manual 2 2 Connection CAUTION MAKE SURE POWER IS SHUT OFF BEFORE WIRING Two removable terminal connectors are provided for simple wiring to WebRelay The correct wiring procedure is as follows 1 Make sure power is turned off
47. etwork including private networks IP based industrial control networks and the Internet Users can operate WebRelay using a web browser or a custom application Computers PLCs or automation controllers may control and monitor WebRelay without user intervention This works by sending text commands over the network and reading XML status pages from WebRelay or by using Modbus TCP protocol WebRelay can also be operated by using the optically isolated input The optically isolated input can be configured to turn the relay on off pulse the relay toggle the relay latch the relay for alarming etc The input can also be used to control a relay at a remote location or to simply monitor the status of a digital signal WebRelay has many applications and is only limited by imagination It works very well as a stand alone device that can be controlled using a web browser or as a convenient way to add I O to a computer It can be used in industrial applications to control motors lights coils pumps valves etc It can also be used to monitor switches sensors and control voltages In addition WebRelay is designed to function as a high end reboot controller and offers many reboot options It can be used to remotely reboot servers computers satellite modems and other devices over the Internet or it can be configured to automatically reboot devices when they fail to respond to pings that are sent from WebRelay There are three ways
48. forwarding can be used to set up public services on your network hen users from the Internet make certain requests on your router they PORT RANGE will be redirected to the specified IP FORWARDING A ee Protocol Protocol Customized Applications Ext Port TCP UDP IP Address Enable WebRelay 1 To 8001 To 8002 To 8003 v 10 10 10 41 vi v 10 10 10 42 10 10 10 43 v 10 10 10 44 v v v 10 10 10 45 10 10 10 46 10 10 10 47 To 8005 To 8006 To 8006 To 0 10 10 10 0 To 0 10 10 10 0 To 10 10 10 0 a a z To 8004 v a a a UPnP Forwarding _ Port Triggering In the example the seven ControlByWeb products are assigned IP addresses of 10 10 10 41 to 10 10 10 47 The first device labeled WebRelay 1 has an IP address of 10 10 10 41 and is assigned port 8001 Note In the WebRelay setup page under Network settings tab TCP Port 8001 must be specified for this device The second device labeled WebRelay 2 has an IP address of 10 10 10 42 and is assigned port 8002 This WebRelay must have its TCP Port set to 8002 in it s network settings page This pattern continues through 10 10 10 77 which is assigned the port 8007 To access the ControlByWeb units from the Internet enter the IP address of the gateway plus the port number of the desired device Modbu
49. ge 35 Revision 3 8 WebRelay Users Manual WebRelay is set to Automatic Reboot mode at power up it will automatically turn the device on This is so that users will not need to manually turn the device on when the power fails Also note that from the control page users can temporarily disable the automatic reboot function but it will automatically be re enabled if WebRelay loses and regains power Finally note that the optically isolated input cannot be used to control the local relay in this mode In this mode the status of the input may be displayed on the control page or the input may be used to control a WebRelay at a remote location but local relay control is disabled The following parameters 2 3 are available when WebRelay is set to Standard relay mode Pulse Duration When WebRelay receives a command from over the network or through an input change to pulse the relay this is the time in seconds that the relay will pulse on This time can be set from 0 1 seconds to 86 400 seconds 1 day Note that each time WebRelay receives a pulse command the relay will be turned on if not on already and the pulse timer will be reset If WebRelay receives a pulse command and and a second pulse command is received before the pulse timer has expired the relay will remain on and the pulse timer will be reset so the duration of the pulse will be extended If pulse commands are issued continuously so that the pulse time
50. ic model number WebRelay units with the Power Over Ethernet option may be connected to an 802 3af compliant Ethernet port instead of connecting to an external power supply In this case WebRelay is powered through the network port In 802 3af compliant networks a 48 Volt power source is injected into the Ethernet line This power source is provided by an 802 3af compliant hub switch or power injector which may be located in a utility closet which could be a distance away from WebRelay This option is very useful for installations where local power is not available The power injector may inject the 48 Volt power source through the data lines or the spare lines in the Ethernet cable DO NOT USE A POWER INJECTOR THAT APPLIES A VOLTAGE TO BOTH THE DATA LINES AND THE SPARE LINES Xytronix Research amp Design Inc page 18 Revision 3 8 WebRelay Users Manual 2 2 2 Network Connection Connect the Ethernet port to a 10 Base T or 10 100 Base T Ethernet connection This typically connects to an Ethernet hub switch or router For configuration WebRelay may be connected directly to the Ethernet port on a computer using a crossover cable Otherwise for connection through a hub or router a standard straight thru cable should be used 2 2 3 Relay Connection The relay contacts internally connect directly to the terminal connector No internal fuse is provided If the power source connected to the relay cont
51. ions the request to open a third socket will be rejected 3 4 1 Read Coils Modbus Function Code 01 0x01 This function returns the state of the relay coil In addition the optically isolated input can be read using Xytronix Research amp Design Inc page 54 Revision 3 8 WebRelay Users Manual this function which allows full state of WebRelay to be read in a single transaction Valid Starting Address and Quantity of coils combinations Starting address 0x0000 quantity of coils 0x0001 read relay state only Starting address 0x0000 quantity of coils 0x0002 read relay state and input state Starting address 0x0001 quantity of coils 0x0001 read input state only Starting address 0x0001 quantity of coils 0x0002 not valid Request Modbus TCP Transaction identifier 2 Bytes 0x0001 Protocol identifier 2 Bytes 0x0000 Length 2 Bytes 0x0006 Unit identifier 1 Byte Oxff Modbus Function code 1 Byte 0x01 read coils Starting address 2 Bytes 0x0000 0x0000 or 0x0001 Quantity of coils 2 Bytes 0x0002 0x0001 or 0x0002 Character String Example char read_coils mb_request 0x00 0x01 0x00 0x00 0x00 0x06 Oxff 0x01 0x00 0x00 0x00 0x02 Response Modbus TCP Transaction identifier 2 Bytes 0x0001 Protocol identifier 2 Bytes 0x0000 Length 2 Bytes 0x0004 Unit identifier 1 Byte Oxff Modbus Function code 1 Byte 0x01 Read coils Byte count 1 Byte 0x01 Coil status
52. ired for standard WebRelay units Commands sent to a remote WebRelay Quad look like this http 192 168 1 2 state xml relay1State 1 http 192 168 1 2 state xml relay2State 1 http 192 168 1 2 state xml relay3 State 1 http 192 168 1 2 state xml relay4State 1 In this case each of the four relays can be addressed as illustrated The address of the specific relay on the WebRelay quad board is given in this field For custom computer applications the Relay option may be useful to monitor input changes as they happen This works by pointing the Remote Relay IP Address above to a computer instead of another WebRelay device Each time the input changes a message is sent to the computer indicating the change The computer can identify the device sending the message by the Relay Note that when remote relay commands are sent to a computer instead of a WebRelay the computer must appear to this WebRelay as another WebRelay device which may require some advanced programming This field may be set from 0 to 255 Xytronix Research amp Design Inc page 41 Revision 3 8 WebRelay Users Manual Password When any option in the Remote Relay Options setting is selected other than no remote relay control this password is included with commands that are sent to the remote WebRelay unit If the remote WebRelay unit has the control password option enabled the password for that unit
53. is set to Yes this field specifies the text that will be displayed when the input is on voltage applied to input Input OFF Color When Display Input Status is set to Yes this field specifies the color that will be displayed when the input is off voltage is not applied to input Input OFF Text When Display Input Status is set to Yes this field specifies the text that will be displayed when the input is off voltage is not applied to input Xytronix Research amp Design Inc page 47 Revision 3 8 WebRelay Users Manual ON OFF Buttons When this option is set to Yes the control page will display buttons to turn the device on and off These buttons attempt to represent the state of the device and not the relay the relay status however represents the state of the relay When the Reboot Options field under the Relay Input tab is set to pulse off T1 secs it is assumed that the device is on when the relay is on In this case the on button will turn both the relay and the device on and the off button will turn both the relay and the device off When the Reboot Options field under the Relay Input tab is set to pulse on T1 secs it is assumed that the device is on when the relay is off In this case the on button will turn the relay off and the device on The off button will turn the relay on and the device off When the Reboot Options field under the
54. itch In other words if the switch is ON but a user changes the state of WebRelay 3 to OFF by changing the relay in the web page WebRelay 4 will be changed to the OFF state also Note also that in this example WebRelays 2 3 and 4 are each controlling load devices and WebRelay is not but a load could be connected to WebRelay 1 as well Xytronix Research amp Design Inc page 13 Revision 3 8 WebRelay Users Manual 1 4 5 WebRelay Used for Reboot Wired in series with Power The illustration below shows one example of how WebRelay can be used to reboot a server WebRelay is wired in series with the servers power source which allows it to turn the server on and off Power Supply For Device Server Cut one wire in the power supply cable and connect to WebRelay dii t contacts Device Server Ss Camera Server Serial Server etc This is the device to be remotely re booted Power Supply 3 For WebRelay VIN vN f I w amp INPUT 1 sof CED oO CD 0 Xytronix Research amp Design Inc page 14 Revision 3 8 WebRelay Users Manual 1 4 6 WebRelay Used for Reboot Wired to Reset The illustration below shows how WebRelay can be wired to the reset circuit of a computer motherboard Inside Computer Example motherboard location of reset will vary WebRelay Power Supply For WebRelay Motherboard R
55. lay Relay Status option is set to Yes this field specifies the color that will be displayed when the relay is on coil energized Status ON Text When the Display Relay Status option is set to Yes this field specifies the text that will be displayed when the relay is on coil energized Status OF F Color When the Display Relay Status option is set to Yes this field specifies the color that will be displayed when the relay is off coil not energized Status OFF Text When the Display Relay Status option is set to Yes this field specifies the text that will be displayed when the relay is off coil not energized Display Input Status When this option is set to Yes the status of the optically isolated input will be displayed on the control page For most reboot applications the optically isolated input will not be used so this should be set to No Note that this input can be used to control a remote relay or be read using the XML page no matter how this option is set local relay control is not available in Automatic Reboot mode Input Description This is the text that will be displayed next to the input status when the Display Input Status is enabled This field can be up to 20 characters in length Input ON Color When Display Input Status is set to Yes this field specifies the color that will be displayed when the input is on voltage applied to input Input ON Text When Display Input Status
56. lse command when input off When a voltage is removed the input a command is sent to the remote WebRelay to pulse the relay When a voltage is applied to the input no commands are sent send pulse command when input changes When a voltage is applied to the input or removed from the input a command is sent to the remote WebRelay to pulse the relay send toggle command when input on When a voltage is applied to the input a command is sent to the remote WebRelay to toggle the relay change the remote relay to the state opposite of its current state When a voltage is removed from the input no commands are sent send toggle command when input off When a voltage is removed the input a command is sent to the remote WebRelay to toggle the relay change the remote relay to the state opposite of its current state When a voltage is applied to the input no commands are sent send toggle command when input changes When a voltage is applied to the input or removed Xytronix Research amp Design Inc page 40 Revision 3 8 WebRelay Users Manual from the input a command is sent to the remote WebRelay to toggle the relay change the remote relay to the state opposite of its current state remote command equals local relay This option is used to daisy chain WebRelay units In this mode commands are sent to the remote WebRelay based upon the state of the local relay and not the local input When the lo
57. ng the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Notice Changes or modification not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Xytronix Research amp Design Inc page 5 Revision 3 8 WebRelay Users Manual Installation Guidelines Read Before Installing Do not open the WebRelay enclosure This will void the warranty This unit must be installed by qualified personnel This unit must not be installed directly outdoors This unit must not be used for medical life saving purposes or for any purpose where its failure could cause serious injury or the loss of life Security Notes By design WebRelay is very secure It does not support terminal or file transfer programs such as telnet ftp ssh etc This means that it is not possible for someone to break in to WebRelay and access other devices on your local network WebRelay does not support remote firmware updates which means that it is not possible for someone to remotely install malicious software The simpli
58. ns gives the user one button to turn the relay on and another button to turn the relay off Button I Label When J or 2 buttons is selected in the ON OFF Buttons option this field specifies the text that will be displayed in pushbutton number 1 Button 2 Label When 2 buttons is selected in the ON OFF Buttons option this field specifies the text that will be displayed in pushbutton number 2 Pulse Button This option allows the inclusion of a pulse button to control the relay If the pulse button is included the relay will pulse for the time specified in the Pulse Duration field in the Relay Input page each time the button is pressed Pulse Button Label When the Pulse Button option is set to Yes the text entered here will appear in the pulse button on the control page Display Input Status When this option is set to Yes the status of the optically isolated input will be displayed on the control page Note that this input can be used to control a local relay a remote relay or be read using the XML page no matter how this option is set Xytronix Research amp Design Inc page 44 Revision 3 8 WebRelay Users Manual Input Description This is the text that will be displayed next to the input status when the Display Input Status is enabled It can be up to 20 characters in length Input ON Color When Display Input Status is set to Yes this field specifies the color that will
59. nt to note that when the control password in WebRelay is enabled Modbus TCP communications are disabled This is because Modbus TCP does not provide a mechanism for password protection Make sure the control password is disabled default before using Modbus with WebRelay Also note that the automatic reboot functions are not available through Modbus WebRelay functions as a Modbus server slave Client master devices open a connection with WebRelay on port 502 unless another modbus port is selected and sends commands or requests to to read the state of the relay read the input or change the relay When WebRelay receives a command it will perform the desired function and return a response The following commands are available Read Coils Modbus function 01 read the status of the relay and or the input Read Discrete Inputs Modbus function 02 read the status of the input Write Single Coil Modbus function 05 change the relay state Write Multiple Registers Modbus function 16 pulse the relay Multiple commands may be sent without closing and re opening the connection but if no data is transferred for 50 seconds the connection will time out To keep the connection open a read request can be sent periodically Two TCP sockets are available for Modbus communications If two masters each have a socket open or a single master using two sockets and a third master attempts to open a socket for Modbus communicat
60. omputer 2 3 3 Open Configuration Web Page 2 4 Web Based Setup 2 4 1 Main Setup Page 2 4 2 Network Setup Page 2 4 3 Password Setup Page 2 4 4 Relay Input Setup Page 2 4 5 Control Page Setup When Relay Mode is set to Standard 2 4 6 Control Page Setup When Relay Mode is set to Automatic Reboot Section 3 Operation 3 1 Browser Operation Standard Relay Mode 3 2 Browser Operation Automatic Reboot Relay Mode 3 3 XML Operation 3 3 1 state xml 3 3 2 XML Control 3 3 3 GET Requests 3 4 Modbus Operation Xytronix Research amp Design Inc page 1 Revision 3 8 WebRelay Users Manual 3 4 1 Read Coils Modbus Function Code 01 0x01 3 4 2 Read Discrete Inputs Modbus Function Code 02 0x02 3 4 3 Write Single Coil Modbus Function Code 05 0x05 3 4 4 Write Multiple Registers Modbus Function Code 16 0x10 Appendix Appendix A Restoring Factory Default Settings Appendix B Specifications Appendix C Mechanical Information Appendix D Open TCP Legal Notice Xytronix Research amp Design Inc page 2 Revision 3 8 WebRelay Users Manual Trademark and Copyright Information This document is Copyright 2005 2015 by Xytronix Research amp Design Inc All rights reserved WebRelay and ControlByWeb are Trademarks of Xytronix Research amp Design Inc 2005 2015 All parts of this product and design including but not limited to firmware hardware design schematics PCB layout concept gr
61. omputer Required for Operation This configuration is used to control devices remotely without a browser or to extend a digital signal to a remote location on the network A control voltage applied to one unit controls the relay contacts of another unit at a remote location Power Supply Powers WebRelay 5VDC or 9 30VDC Device to be Controlled iis WebRelay WebRelay E IP Network Fuse or Power Supply Circuit Breaker Powers WebRelay 5VDC or 9 30VDC Switch or sensor Power Source For device to be controlled This configuration has may uses It allows a switch to be placed very far away from the device that it controls For security applications the switch in the example could be replaced with a sensor and the device to be controlled could be a buzzer or chime A business owner for example could set up a sensor at his her office and a chime at his her home The chime at the home would announce each time the sensor detects entry to the office which may be miles away When the chime indicates office entry late at night the business owner can take appropriate action Another way this configuration is useful is to extend the output of a PLC Programmable Logic Controller in a factory to control a motor in another building The output of the PLC is connected to the input of one WebRelay and the motor is connected to the relay contacts of a second We
62. owser it displays a snapshot of the current status of the unit If the state of the unit changes the information on the control page will be outdated unless the page is re loaded Whenever a user changes the state of the relay via the web browser the web page will automatically reload the control page to display current information If however the relay state changes due to a change in the control voltage input or due to a command sent from another machine the relay state will not be updated and the control page information will be obsolete In addition when the optically isolated input changes the control page will be obsolete until the page is refreshed WebRelay can not force the web page to be updated when the input changes The Auto Refresh Page option will cause the control page to continually update its contents by setting a timer in the web page that causes it to be reloaded at a specified time interval Duration If the Auto Refresh Page option is set to Yes this field specifies the time interval in seconds that the page will be refreshed It can be set from 1 to 32 seconds Xytronix Research amp Design Inc page 48 Revision 3 8 WebRelay Users Manual Section 3 Operation WebRelay can be operated by applying a voltage to the optically isolated input using a web browser by sending text commands to an XML status control page or by sending Modbus TCP requests Using a control voltage was described
63. pecified If the state of the voltage changes before the end of the pulse the timer will be re started it will re start each time the voltage changes and the relay will continue to remain on until the timer expires The following parameters 4 13 are available only when WebRelay is set to Automatic Reboot relay mode Ping IP Address This is the IP address that WebRelay will ping This is typically the IP address of the device that will be re booted upon failure such as a server router computer etc It could however be the address of a device on the opposite side of a communications link This is useful to auto reboot communications devices such as CSU DSUs satellite modems routers etc Successful Ping Period This is the time interval in seconds between successful ping requests This time can be set from 1 to 6000 seconds 100 minutes or 1 67 hours Unsuccessful Ping Period When ping requests fail no response from device it may be desirable to begin pinging at a shorter time interval This allows WebRelay to determine in less time that the device is not functioning After each unsuccessful ping WebRelay will wait this time interval in seconds before the next ping attempt This time can be set from 1 to 6000 seconds 100 minutes or 1 67 hours Delay Before First Ping After Reboot When WebRelay is first powered it will wait this time interval in seconds before beginning to ping the device This time
64. ple task to accomplish this goal by connecting the WebRelay contacts in parallel with the pushbutton An illustration of this is shown below In doing this users can now operate the gate with the existing pushbutton or users Xytronix Research amp Design Inc page 19 Revision 3 8 WebRelay Users Manual can operate the gate from another room using a web browser Another option not shown here is to connect another pushbutton switch to the input of a second WebRelay device in a room across the building The second device could be configured to send control messages to the first device each time the new pushbutton is pressed As a result there is a second pushbutton that could operate the gate Existing pushbutton switch that performs desired function Device to Control WebRelay Device Circuitry N WebRelay contacts are connected in parallel to existing switch 2 2 4 Optically lsolated Input Connection The optically isolated inputs can be used to control the internal relays control remote relays over the network or simply to monitor the state of a discrete device To use these inputs connect a DC control voltage directly to the input and ground and set up the function of the input using the configuration pages A current limiting resistor is provided internally so no external resistors are required as long as the maximum input voltage is not exceeded If an AC signal or
65. powered the new control voltage status will not be sent to the remote unit when the power is restored The state will not be updated until the next time the control input changes YES TX State When this option is selected a message is sent to the remote unit every 50 seconds to keep the TCP connection alive This message will contain the current state of the input By sending the state of the unit changes to the control voltage input will eventually be sent to the remote unit even if the change occurred during a power loss Transmit state is only valid for the Remote Relay Options remote command equals input remote command opposite of input and remote command equals local relay If any of the other Remote Relay Options are selected the state will not be transmitted Note When units are set up to require a control password this password must be sent each time the state is updated When the option is selected to transmit the state of the input each time the keep alive message is sent the password will be frequently transmitted over the network This may not be a problem but the user should be aware that the more often the password is sent the more opportunity hackers would have to capture the password decode it and potentially use it to control the remote relay especially in public networks such as the Internet Xytronix Research amp Design Inc page 42 Revision 3 8 WebRelay Users Manual 2 4 5 Control
66. pposite of input When a voltage is applied to the input a command is sent to the remote WebRelay to set the relay state to off When a voltage is removed from the input a command is sent to the remote WebRelay to set the relay state to on send on command when input on no off command When a voltage is applied to the input a command is sent to the remote WebRelay to set the relay state to on When a voltage is removed from the input no commands are sent to the remote WebRelay send on command when input off no off command When a voltage is removed from the input a command is sent to the remote WebRelay to set the relay state to on When a voltage is applied to the input no commands are sent to the remote WebRelay send off command when input off no on command When a voltage is removed from the input a command is sent to the remote WebRelay to set the relay state to off When a voltage is applied to the input no commands are sent to the remote WebRelay send off command when input on no on command When a voltage is applied to the input a command is sent to the remote WebRelay to set the relay state to off When a voltage is removed from the input no commands are sent to the remote WebRelay send pulse command when input on When a voltage is applied to the input a command is sent to the remote WebRelay to pulse the relay When a voltage is removed from the input no commands are sent send pu
67. proximately 1 2V and works well with an input current of 10mA R Vin 1 2 0 01 3000 Where e R External resistor value required e Vin Desired input voltage e 1 2V forward voltage drop of the LED in the photo coupler e 01A workable LED current 3000ohm Internal resistor For example To connect a 48VDC signal voltage to the WebRelay with a 11 26VDC input range R 48 1 2 0 01 3000 1680 Ohms use a 1600 ohm resistor Check the power dissipated by the resistor P IxIxR The resistor must be at least 01 x 01 x 1600 0 16 Watts so use a 1 2 Watt resistor Xytronix Research amp Design Inc page 22 Revision 3 8 WebRelay Users Manual 2 3 Establishing Communications for Setup WebRelay is set up using a web browser The first task is to establish communications between a computer and the WebRelay device so that the browser based configuration can begin To do this the computer and WebRelay must be physically connected to the same network and both must have IP addresses on the same network There are two ways to set up the computer and WebRelay so that they are on the same network The first way Option 1 is to change the IP address of WebRelay to an address that is on the same network as the computer The second way Option 2 is to change the IP address of the computer to an address that is on the same network that WebRelay is set to by default 2 3 1 Option 1 Assign a temporary IP addr
68. r is not allowed to expire the relay will remain on until after the last pulse command was sent to be precise the relay will go off at the time of the last command plus the Pulse Duration time The pulse command can be canceled before the pulse duration time has expired by issuing any other command The factory default setting for this is 1 5 seconds Relay Options The optically isolated input can be configured to control the relay The Relay Options setting is used to specify if and how the input affects the local relay The options in the drop down list are described below Note that in all cases input changes will only affect the relay at the time the input is changed Once the change has taken place the state of the input has no effect on the state of the relay In other words if the input causes the relay to go on a user may turn the relay off from the web browser even if the input is still on no local relay control The input has no effect on the local relay set relay equal input When a voltage is applied to the input the relay goes on When a voltage is removed from the input the relay goes off set relay equal input init at powerup When a voltage is applied to the input the relay goes on When a voltage is removed from the input the relay goes off In addition the relay will automatically be set to match the state of the input when WebRelay is powered on set relay opposite of input When a voltage is applied
69. r of WebRelay Note IP address format is XXX XXX XXX XXX Serial number format is ss ss ss ss ss ss For example to set a WebRelay device with serial number 00 0C C8 01 00 01 to 10 10 10 40 the following command would be used arp s 10 10 10 40 00 0c c8 01 00 01 Xytronix Research amp Design Inc page 23 Revision 3 8 WebRelay Users Manual Next type ping s 102 new IP address For example if the new IP address is 10 10 10 40 the following command would be used ping s 102 10 10 10 40 Mac OS X Open a terminal Note that the terminal is in the Utilities directory which is in Applications directory type sudo arp s new IP address serial number of WebRelay Note Administrator password is required IP address format is xxx XXX XXX XXX Serial number format is ss ss ss ss ss ss For example to set a WebRelay device with serial number 00 0C C8 01 00 01 to 10 10 10 40 the following command would be used sudo arp s 10 10 10 40 00 0c c8 01 00 01 Next type ping s 102 new IP address For example if the new IP address is 10 10 10 40 the following command would be used ping s 102 10 10 10 40 Xytronix Research amp Design Inc page 24 Revision 3 8 WebRelay Users Manual 2 3 2 Option 2 Assign a temporary IP address to configuration computer If the first option above is not used you can use this option to communicate with
70. rch Py Be fe Shttp 192 168 1 2 setup html he B Be E Page v G Took v Relay Mode Pulse Duration Relay Options Remote Relay Options Remote Relay IP Address Remote TCP Port Relay Password Keep Alive Relay Mode The unit may be configured so that it operates in Standard mode or Automatic Reboot mode Standard mode is used for all applications except automatic reboot applications Unless WebRelay will be used as an automatic reboot controller standard mode should be selected In cases where WebRelay will be used to remotely reboot devices but not for automatic reboot standard mode should still be selected Automatic Reboot mode is used to configure WebRelay as a reboot controller When this option is selected the options in both the Relay Input and the Control Page Setup menus change In Automatic Reboot mode WebRelay is configured to periodically confirm that another device such as a server computer router etc is working by sending ping requests to the device WebRelay expects a response after each ping If a preset number of ping requests fail it is assumed that the device is not functioning properly WebRelay will attempt to restore the device to normal operation by rebooting the device In Automatic Reboot mode users also have the ability to manually reboot the device from a remote location over the network Note that when Xytronix Research amp Design Inc pa
71. ress that identifies WebRelay on the network Dynamic IP address assignment is not supported The lack of dynamic IP addressing support is intentional because dynamically changing the IP address would make it difficult for a client to access the web server built into WebRelay The IP address is specific to the network where WebRelay will be installed and must be obtained from the network administrator This guide is not meant to be a tutorial on IP addressing however a few comments about IP addressing are given here If WebRelay will be used over the Internet the IP address must be a routable address assigned by the upstream Internet Service Provider ISP In cases where the ISP only provides a single routable IP address for the entire network this is typical with ISPs such as cable providers a proxy server or gateway router may be used A proxy server allows multiple devices to connect to the Internet using a single routable IP address Many small routers from LinkSys Dlink and Netgear perform proxy server functions If a proxy server is used WebRelay will not be accessible from the Internet until the proxy server is properly configured forward proper port to WebRelay This information is mentioned for convenience but details of setting up a configuration such as this is beyond the scope of this manual If WebRelay is used on a private network only and is NOT used over the Internet a routable IP address is not nece
72. s Port This specifies the port used for Modbus TCP communications with WebRelay By default this is set to port 502 which is the standard Modbus port For users not familiar with Modbus Modbus is a messaging structure protocol used in industrial manufacturing control and automation It is an open protocol and offers interoperability with software and devices from other manufacturers If Modbus is not used this setting can be ignored Modbus communications are disabled whenever the control password is enabled Speed This option sets the data rate of the Ethernet port Both 1OMbps and 100Mbps can be selected The 100Mbps option offers faster communications but the amount of data to and from WebRelay is so small that users will not likely notice much of a difference When WebRelay is set to 1 OMbps it draws less power and runs a little cooler which translate into a longer product life IT IS RECOMMENDED THAT THIS SETTING BE LEFT AT 1OMBPS UNLESS THE USER HAS A SPECIFIC REASON TO USE 100MBPS Mode This option allows the Ethernet port to be set to Half Duplex or Full Duplex Legacy Ethernet operates in Half Duplex mode which means that devices can either send data or receive data but not both at the same time Full duplex means that devices can send and receive data at the same time Xytronix Research amp Design Inc page 32 Revision 3 8 WebRelay Users Manual MTU Setting To change the MTU manually enter the advS
73. s a delay before turning the device back on This delay time is specified in parameter T2 Finally the device is turned on once again by applying a second pulse T3 to the power switch The second pulse usually does not need to be as long as the first The notation without pp means without power up pulse The power up pulse is explained in the next paragraph pulse on T1 secs off T2 secs on T3 secs with pp This option is identical to the option above but with one exception it pulses at power up with pp If WebRelay loses power it is assumed that the device which WebRelay controls has also lost power When the power is restored the device will not come back on without some help When this reboot option is selected WebRelay will automatically power the device on each time power lost and restored It does this by waiting T2 seconds after power up and then pulsing T3 seconds After the pulse to turn the device on WebRelay will allow the device to boot and begin its normal ping algorithm Failed Pings Before Reboot The device will be re booted after this number of consecutive ping failures This number can be set between and 255 Xytronix Research amp Design Inc page 39 Revision 3 8 WebRelay Users Manual Max Reboot Attempts After the device has been re booted this number of times without any successful pings it is assumed that there are problems with the device and WebRelay will no longer attempt
74. ssary This may be the case when WebRelay is used to control or monitor a device in another room or a nearby building If WebRelay will be installed on a simple private network that does not connect to the Internet the default IP address may be used as long as no other device on the network uses the same address If multiple WebRelay units are installed on the same network each unit must have its own unique IP address For Xytronix Research amp Design Inc page 30 Revision 3 8 WebRelay Users Manual example WebRelay comes from the factory with a default IP address of 192 168 1 2 If multiple units are used change the IP address for each unit 192 168 1 3 192 168 1 4 192 168 1 5 etc Netmask This specifies the size of the local network This must be obtained from the network administrator By default the netmask is set to 255 255 255 0 Broadcast This specifies the broadcast address This must be obtained from the network administrator By default this is set to 192 168 1 255 Gateway This specifies the IP address of the gateway router This must be obtained from the network administrator By default this is set to 192 168 1 1 TCP Port This specifies the TCP port used for communications with WebRelay By default the port is set to 80 which is the standard http port It is recommended that the port not be changed without an understanding of TCP IP and ports Changing the port can be
75. st defects in material and workmanship for a period of one year from the date of shipment During the warranty period Xytronix Research amp Design Inc will at its option either repair or replace products that prove to be defective This warranty is extended to the original purchaser of the equipment only For warranty service or repair the product must be properly packaged and returned to Xytronix Research amp Design Inc The purchaser shall prepay all charges for shipping to Xytronix Research amp Design Inc and Xytronix Research amp Design Inc will pay the shipping charges to return the product to the purchaser as long as the product is shipped within the United States If the product is shipped outside of the United States the purchaser shall pay all shipping charges duties and taxes Limitation The foregoing warranty shall not apply to defects or damage resulting from improper use or misuse unauthorized repair tampering modification improper connection or operation outside the electrical environmental specifications for the product Further the warranty does not cover Acts of God such as fire flood hurricanes and tornadoes This warranty does not cover damage to property equipment direct indirect consequential or incidental damage including damage for loss of business profit business interruption loss of data and the like arising out of the use or misuse of this product UNDER NO CIRCUMSTANCES WILL THE LIABI
76. t button may be used to restore all parameters on the page to their current settings The Reset button is only effective before the Submit button is pressed 2 4 2 Network Setup Page The network parameters are changed on this page Note that if multiple WebRelay units are used on the same network install one unit at a time and set the IP address of each unit before connecting the next unit to the network This avoids having multiple WebRelay units installed on the network with the same factory default IP address at the same time It may be necessary to clear the arp cache each time you swap WebRelay units on the network this is because each unit has the same default IP address but a different mac address This is done by typing arp d in the command prompt of a Windows computer arp d a as super user on Apple OSX Also note that the unit must be power cycled power disconnected then reconnected before network settings take effect No other setup page requires power cycling for the settings take effect Xytronix Research amp Design Inc page 29 Revision 3 8 WebRelay Users Manual GO E http 7192 168 2 setup ntrl gt 4 x Live Search 2 We fe S http 192 1681 2 setup html gt Bl eb gt Hp Page Tools IP Address Netmask Broadcast Gateway TCP Port Modbus Port Speed Mode IP Address WebRelay requires a static IP address This is a unique add
77. t methods are discussed here which will help in understanding of how reboot options should be set Xytronix Research amp Design Inc page 38 Revision 3 8 WebRelay Users Manual Reboot Method 1 Connect WebRelay in series with the power source of the device By doing this WebRelay can switch the device on and off by switching the power to the device on and off Reboot Method 2 Connect WebRelay in parallel with the reset switch of the device With this approach WebRelay re boots the device by momentarily closing the reset switch This has the advantage of being less hard on the device that is being controlled than switching the power on and off Reboot Method 3 Some devices have on off switches that will remain in the on or off position and other devices have momentary power buttons Devices with momentary power buttons usually will not turn on after power is applied until a user presses the power button In this case simply controlling the power to the device will not work for reboot because once the device is off it will not come back on until the power button is pressed even after power is restored pressing the button is required WebRelay can be wired in parallel with the power button and can momentarily close the power button to turn the device on or off With the above reboot methods explained each option in the Reboot Options drop down list will be discussed pulse off T1 secs This op
78. te that the LINK and ACT LEDs are located on the Ethernet connector The INPUT LED indicates that there is a voltage applied to the optically isolated input The RELAY LED indicates that the internal relay coil is energized When the relay coil is energized the NO Nornally Open contact is closed and the NC Normally Closed contact is open The load device that is connected to the relay contacts may be on or off when the coil is energized depending on how its wired LINK means WebRelay is properly connected to an Ethernet network It also indicates that the unit is properly powered The ACT LED flashes when activity is detected on the network Relay Terminals Common Normally Open Normally Closed Removable Terminal Strips i p pi Terminals Connect DC Power Supply Here Optically Isolated Input Terminals Network TT 5 Volt Output Terminal Activity Input Indicator Light Voltage applied to Input Light Relay Indicator Light Relay coil energized Network Linked Ethernet Connector Light Xytronix Research amp Design Inc page 9 Revision 3 8 WebRelay Users Manual 1 4 Example Configurations and Applications WebRelay is very versatile and can be used in many applications Several basic installation schemes are illustrated in this section 1 4 1 Single WebRelay Device IP Network Control Only The illustration below shows a simple example of using WebRelay to control a device over an
79. that WebRelay can be wired to a device for reboot First WebRelay can be wired in series with the power source of the device and simply switch the power on and off Second WebRelay can be wired in parallel with the power switch of the device This is useful for devices that will not automatically start operating when power is applied These devices require a user to press a power switch before the device will boot The third option is to connect WebRelay to the reset circuit of a device In this configuration WebRelay does not power down the device but simply causes the device to reset All three reboot methods have different requirements in physical connection and relay timing 1 1 Features WebRelay is very simple but has many features Some features include e No programming required e Easy to use as a stand alone device or as part of a large control system e Built in web server provides simple web based configuration and control e Control page can be customized with appropriate text and buttons e 10 100 Ethernet connectivity e 12 Amp 240VAC relay for direct connection to load e Removable terminal connectors included simplifies wiring and service e Custom applications can control WebRelay with simple text commands and read XML formatted status e Modbus TCP protocol support provides inter interoperability with devices software from other manufacturers e Password protection e Selectable TCP ports
80. throughout previous sections and will not be described here 3 1 Browser Operation Standard Relay Mode Once the unit is set up the control page may be accessed by typing the following URL into the web browser http 192 168 1 2 Note that if the IP address was changed replace the default IP address shown with the new address that was assigned Note also that if any port is used other than port 80 the port must also be included in the request http 192 168 1 2 8000 The new control page will appear A control page with default settings is shown below Explo WebRela indows Inte O http 192 168 1 2 index html v 44 X Live Search Py we k te de Gwerkeey m f D v i Page v G Tools v Input Description Input OFF Relay Description Relay ON ONOFF Pulse 3 2 Browser Operation Automatic Reboot Relay Mode The control page for automatic reboot mode is accessed the same as it is in standard mode See Section 3 1 for information on accessing the control page Using the Automatic Reboot control page is simple and straightforward Control pages will vary based upon options selected in setup An example control page is shown below A basic description of the control page follows GO E ntte 192 1684 2 indexhtet 47 x Live Search ww WebRelay D gt eb v Page v G Tools v EA Description BETA 0l Relay Description Description Reyon ON DMa Reboot Reboot State
81. tion is usually used for method 1 described above In this case the power to the device is wired in series with the relay Common and Normally Open contacts should be used When this option is selected WebRelay will automatically turn on the relay when it is first powered The Normally Open relay contacts will be closed and the device is powered on When the device needs to be re booted the relay contacts will be pulsed off for the time duration specified in T1 see above seconds This option does not use parameters T2 or T3 pulse on T1 secs This option is usually used for method 2 described above In this case the reset button is wired in parallel with the relay Common and Normally Open contacts are used When the device needs to be re booted the relay will be pulsed on for the time duration specified in T1 see above seconds This option does not use parameters T2 or T3 pulse on T1 secs off T2 secs on T3 secs without pp This option is usually used for method 3 described above In this case the power button is wired in parallel with the relay Common and Normally Open contacts are used When the device needs to be re booted the relay will be pulsed on for T1 see above seconds After the first pulse the relay will stay off for T2 seconds and then pulse on for T3 seconds The purpose for the first pulse T1 is to turn the device off Usually this requires holding the power switch for 5 10 seconds Once the device is off there i
82. to be updated when the input changes The Auto Refresh Page option will cause the control page to continually update its contents by setting a timer in the web page that causes it to be reloaded at a specified time interval Duration If the Auto Refresh Page option is set to Yes this field specifies the time interval in seconds that the page will be refreshed It can be set from 1 to 32 seconds Xytronix Research amp Design Inc page 45 Revision 3 8 2 4 6 Control Page Setup When Relay Mode is set to Automatic Reboot WebRelay Users Manual Once WebRelay is set up it can be controlled and monitored using a web browser by accessing its control page Titles colors and basic content of the control page can be customized by setting the appropriate options in the Control Page Setup page Note that this setup page only affects the control web page and does not affect the function of WebRelay in any way This section describes the Control Page Setup page when the relay mode is set to Auto Reboot FS http T GO http 192 168 1 2 setup html v 4f X Live Search A Sa Main Header Text Relay Description Display Relay Status Status ON Color Status ON Text Status OFF Color Status OFF Text Display Input Status Input Description Input ON Color Input ON Text Input OFF Color Input OFF Text ON OFF Buttons Reboot Button Auto Refresh Page Duration
83. to the input the relay goes off When a voltage is removed from the input the relay goes on set relay opposite of input init at powerup When a voltage is applied to the input the relay goes off When a voltage is removed from the input the relay goes on In addition the relay will automatically be set to the opposite of the state of the input when WebRelay is powered on latch relay when input on reset via web When a voltage is applied to the input the relay goes on Once the relay is on it will stay on unaffected by input changed until it is turned off via the web by a user or WebRelay is powered off This option is useful for alarming functions latch relay when input off reset via web When a voltage is removed from the input the relay goes on Once the relay is on it will stay on unaffected by input changed until it is turned off via the web by a user or WebRelay is powered off This option is useful for alarming functions latch relay when input changes reset via web When a voltage is applied to the input or removed from the input the relay goes on Once the relay is on it will stay on unaffected by input changes until it is turned off via the web by a user or WebRelay is powered off This option is useful for alarming functions toggle relay when input on When a voltage is applied to the input the relay will change states Xytronix Research amp Design Inc page 36 Revision 3 8 WebRelay
84. ttings In the event that the IP address or passwords are forgotten WebRelay may be restored to its original factory default settings To do this first remove the power from the unit Next insert a thin object such as a toothpick through the small hole in the bottom of the unit to press the small button that is located inside the unit When the object is inserted a tactile feel can be detected as the button is depressed While holding the button down apply power and wait for about 10 seconds After about 10 seconds release the button Now all settings will be back to the original factory defaults CAUTION DO NOT USE METAL OBJECTS FOR THIS FUNCTION ResetButton Access Hole Xytronix Research amp Design Inc page 59 Revision 3 8 WebRelay Users Manual Appendix B Installing New Firmware From time to time updates are made to WebRelay firmware The firmware can be updated in the field The procedure for updating the firmware is outlined below Please note that it is important that this procedure is followed precisely Requirements The firmware update software requires Windows XP Vista 7 with the Net framework installed The Net framework is generally installed automatically through Windows update To install it manually go to the following address http www microsoft com downloads details aspx FamilyId 333325FD AE52 4E35 B531 508D977D32A6 amp displaylang en Select the Download button Once you ve
85. ttp 192 168 1 2 setup html is entered into the web browser It provides basic information about the WebRelay unit Navigating between setup pages is done by clicking on the tabs at the top of the page hittp 192 168 1 2 setup html Windows Internet Explorer ee G Q http 192 168 1 2 setup html 49 X Live Search 2 x we k wale http 192 168 1 2 setup html m Q dh v i Page v G Tools v a Model X WR 1R12 115 5 Product Revision 3 0a Serial Number 00 0C C8 01 01 03 For product support go to www Cont Xytronix Research amp Design Inc Xytronix Research amp Design Inc page 28 Revision 3 8 WebRelay Users Manual The setup pages require a password The default user name is admin The default password is webrelay no quotes all lower case Connect to 192 168 1 2 The server 192 168 1 2 at secure requires a username and password Warning This server is requesting that your username and password be sent in an insecure manner basic authentication without a secure connection User name gi X Password sosooooo E Remember my password C Gea Each setup page has a Submit button and a Reset button at the bottom of the page After entering the desired parameters into each page the Submit button must be pressed before any parameters will be saved Ifa mistake is made in entering the parameters the Rese
86. useful for accessing multiple WebRelay devices which are installed behind a gateway router on a private network that uses non routable IP addresses 192 168 x x 10 x x x and 172 16 x x through 172 31 x x are non routable or private IP addresses In this case each WebRelay unit would be assigned a different port for example 8000 8001 8002 etc The gateway router would be set up to forward all traffic for each of the assigned ports to the IP address of the WebRelay unit which uses that port The WebRelay units could then be accessed from outside the private network by entering the IP address of the gateway and the port for the desired WebRelay unit Note Whenever any port is assigned other than port 80 all communications with that WebRelay device must include the port For example if WebRelay is assigned port 8000 access to the setup page would require the following URL to be entered http 192 168 1 2 8000 setup html An example screenshot of a gateway router configuration is given below This setup allows seven ControlByWeb products to be accessed on a private network behind a gateway router Note that this screenshot is simply an example of a typical router setup page Routers will vary Xytronix Research amp Design Inc page 31 Revision 3 8 WebRelay Users Manual Mozilla Firefox File Edit View Go Bookmarks Tools Help 5 ka ga A O http 10 10 10 1 Forward htm Ounces Stra Port
87. utput using an opto isolator You must provide a voltage source for the input of the WebRelay as shown in the example below WebRelay 12 24V DC Inputs With DC inputs no external components are required as long as the maximum input voltage is not exceeded See Specifications A DC voltage can be reduced with an external resistor of the appropriate value and Xytronix Research amp Design Inc page 21 Revision 3 8 WebRelay Users Manual power rating to reduce the input current The formulas to calculate external resistor values are provided below X WR 1R12 115 I and X WR 1R12 1I5 E models with a 4 12VDC input range have an internal 680 ohm resistor The forward voltage drop of the photo coupler is approximately 1 2V and works well with an input current of 10mA R Vin 1 2 0 01 680 Where R External resistor value required Vin Desired input voltage 1 2V forward voltage drop of the LED in the photo coupler 01A workable LED current 680ohm Internal resistor For example To connect a 24VDC signal voltage to the WebRelay with a 4 12VDC input range R 24 1 2 0 01 680 1600 Ohms use a 1600 ohm resistor Check the power dissipated by the resistor P IxIxR The resistor must be at least 01 x 01 x 1600 0 16 Watts so use a 1 2 Watt resistor X WR 1R12 1124 I with a 11 26VDC input range have an internal 3K ohm resistor The forward voltage drop of the photo coupler is ap

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