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IR-712A Universal IR Learning Remote Module (Ver. 1.3, Aug/23/2016) 12

2.5 Watchdog Timer

Watchdog timer is a kind of timer to reset IR-712A while there is some error occurred
in  the  system  and  the  recovery  is  not  possible  within  a  short  time  (several
milliseconds).

Users  can  open  the  case  of  IR-712A  and  adjust  the  JP1  to  enable  or  disable  the
watchdog timer as depicted in Figure 2-11. The default setting to the watchdog timer is
“Enable”.

Enable (default) Disable

Figure 2-11

JP1 for the watchdog timer of IR-712A.

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Summary of Contents for IR-712A

Page 1: ...IR 712A Universal IR Learning Remote Module Ver 1 3 Aug 23 2016 User Manual v1 3 www icpdas com IR 712A Universal IR Learning Remote Module ...

Page 2: ...rom the use of this product ICP DAS reserves the right to change this manual at any time without notice The information furnished by ICP DAS is believed to be accurate and reliable However no responsibility is assumed by ICP DAS for its use or for any infringements of patents or other rights of third parties resulting from its use Copyright Copyright 2016 by ICP DAS All rights are reserved Tradema...

Page 3: ...lity 16 3 2 IR 712A Utility 17 3 2 1 Menu 18 3 2 2 Open Close COM port 22 3 2 3 Set Device IR Command Quantity 23 3 2 4 Test and Save Learned IR Commands 25 3 2 5 Test IR commands in IR 712A 27 3 2 6 Copy IR Commands from File 28 3 2 7 Display Waveforms of IR Commands 30 4 Learning IR command Example 31 4 1 IR 712A Communication settings 31 4 2 Set the Devices and IR commands Quantity 32 4 3 Learn...

Page 4: ...ces it is possible to implement the automation application for a better living experience IR 712A is a universal IR learning remote module which can learn IR remote commands of diverse electronic devices The learning commands max 224 can be stored in the module or saved to a file IR 712A supplies 2 IR output channels for individual or simultaneous control on multiple devices The accompanied RS 232...

Page 5: ...5200 bps Configurable NONE ODD EVEN parity and 1 or 2 stop bits Provides transmitting learning and power indication LEDs Built in Watchdog RoHS Compliance Utility Configuration of IR command quantity IR commands learning and testing Save IR learning commands to files Get Set IR learning commands from to IR 712A Reference to Modbus commands Set Reset basic settings of IR 712A Shows demodulated wave...

Page 6: ...l connector COM1 RS 232 TxD RxD GND COM2 RS 485 DATA DATA Baud Rate bps 9600 19200 38400 57600 115200 Protocol Modbus RTU slave LED Indicator LED 2 LEDs TR IR Transmitting LN IR Learning and PWR Power Power Power Supply 10 30 VDC Power Consumption Stand By 0 6 W Using 1 IR Output 2 3 W Using 2 IR Output 4 W Max Mechanism Installation DIN Rail Dimensions 52 mm x 27 mm x 93 mm W x L x H DIP Switch F...

Page 7: ...IR 712A Universal IR Learning Remote Module Ver 1 3 Aug 23 2016 6 2 2 Appearance Figure 2 1 The front view of the IR 712A ...

Page 8: ... 5 mm audio jack Figure 2 2 IR output 3 5 mm audio jack and learning input hole front bottom view Communication terminal Table 2 1 IR 712A terminal pin assignments Screw terminal connecter Pin No Description Interface 1 DATA RS 485 2 DATA 3 GND ground RS 232 4 TxD 5 RxD 6 N A N A 7 GND ground Power 8 Vs Figure 2 3 Screw terminal connector ...

Page 9: ...ort after power on within 3 seconds 2 After the firmware v1 20 included RS 232 and RS 485 port of the IR 712A can be used without the utility configuration Though there is the setting item of the serial port in the IR utility it won t affect the module The TR LN LED blinking 3 times after power on within 3 seconds is for the function of restoring to the default communication parameters 2 4 1 RS 23...

Page 10: ...erter e g I 7560 or I 7561 to extend the serial port Figure 2 5 RS 232 connection cable CA 0910 Figure 2 6 Wire connection between PC and IR 712A using CA 0910 2 4 2 RS 485 connection The RS 485 wire connection between the IR 712A and RS 485 host device is depicted in Figure 2 7 ...

Page 11: ... PC to test and configure the IR 712A 2 4 3 Jack Plug of IR Output Cable It is necessary to use 3 5 mm audio jack plug for the IR output jack of IR 712A IR 712A supports the jack plug of TRS and TS connectors as shown in Figure 2 8 and Figure 2 9 The wire connection between the connector and IR LED should be also considered Figure 2 8 TRS connection Figure 2 9 TS connection ...

Page 12: ...rsal IR Learning Remote Module Ver 1 3 Aug 23 2016 11 2 4 4 Power Connection IR 712 consumes the power of 10 30 VDC The wire connection for the power is shown in Figure 2 10 Figure 2 10 Wire connection for the power ...

Page 13: ...some error occurred in the system and the recovery is not possible within a short time several milliseconds Users can open the case of IR 712A and adjust the JP1 to enable or disable the watchdog timer as depicted in Figure 2 11 The default setting to the watchdog timer is Enable Enable default Disable Figure 2 11 JP1 for the watchdog timer of IR 712A ...

Page 14: ...sers can click the menu Tool Update Firmware to IR 712A from the IR 712A Utility to launch the firmware update tool Please follow the below steps to finish the update firmware procedure which is also depicted in Figure 2 13 1 Click COM radio button and select COM Port of the host PC connected to the RS 232 port of IR 712A 2 Click Browser to find the firmware file e g ir712A_vx_xx fw 3 Click Firmwa...

Page 15: ...rom ftp ftp icpdas com pub cd usbcd napdos ir ir 712A software fw_update_tool 2 6 2 Firmware Operation Mode Push the DIP switch to the position of FW as shown in Figure 2 14 IR 712A will be set in the Firmware Operation Mode after cycling the power In this mode default IR 712A can learn IR commands from remote controls as well as be configured by the utility and receive Modbus commands from the ma...

Page 16: ...ks 3 times after power on Use RS 485 Turned on for 3 seconds after power on Serial Communication Weakly blinking Emitting IR Commands On during emitting IR signal IR Learning Mode On IR Learning Finished Off PWR Power is normal On Power Failure Off ALL LEDs Firmware Operation Mode TR LN OFF PWR ON Note Push DIP switch to OP position and restart IR 712A Update Firmware Mode TR LN and PWR blinking N...

Page 17: ...tility is for IR 712A to set up parameters and learning IR commands Users can download the IR Utility IR_Util_Setup_v _ _ _ zip from ftp ftp icpdas com tw pub cd usbcd napdos ir software ir_utility If the environment of NET Framework 4 5 is not available on the Microsoft OS the setup package will download and install the redistribution automatically The redistribution package can also be downloade...

Page 18: ... can be launched from Start ICPDAS IR Utility The main window is shown in figure 3 1 Select IR 712A in the Module and click Connect button to connect to the IR 712A The main window of the IR 712A utility will appear after connection Figure 3 1 Main windows of the IR utility and the IR 712A utility ...

Page 19: ...sic Settings The basic settings of the IR 712A Reset Basic Settings on IR 712A Reset the basic settings Tool Update Firmware to IR 712A This function provides users to update the firmware of the IR 712A Waveform of IR Commands Show demodulated waveform of IR commands Help About IR 712A Utility The information of the IR 712A 1 File Load IR Command from File The IR command file obtains the IR learni...

Page 20: ...rning commands in the utility to the flash memory of the IR 712A The IR commands would be retained in the module even without power supply Clicking this item will show a download progress window and close itself after the download is finished Figure 3 2 Download the IR commands to the IR 712A Load IR Commands from IR 712A This item provides the function to load all IR commands saved in the IR 712A...

Page 21: ... an IR protocol Fig 3 5 For example GapTime should be set to the value greater than 40 ms to learn IR commands successfully for the Sharp remote control 6 200 ms default 72 ms Figure 3 5 A complete IR Command with a large Gap Time 8 MB Cmd Resp Delay Time The delay time before the IR 712A responses each request from the Modbus master devices Modbus command response delay time 0 60 ms default 3 ms ...

Page 22: ...he record of basic settings is lost click this item to open the reset window as shown in Fig 3 6 The steps of reset are as follows 1 Connect PC to the RS 232 port of IR 712A and click Open button in the utility to open the COM port of PC 2 Click Reset button within 3 seconds after cycling the power of IR 712A 3 A dialog as Fig 3 7 shows that the resetting to default values is done Notice that the ...

Page 23: ...t After the serial wire connection is established between IR 712A and host PC users can click Open button to open COM port of the PC The parameters of the serial communication on the utility should be the same as the settings in the IR 712A Fig 3 8 Open Close COM section The settings of the serial interface are described as follows 1 COM Port The COM port of IR 712A RS 232 RS 485 default RS 232 2 ...

Page 24: ...vice quantity The max quantity of controlled devices is 11 This function is convenient for users to manage IR commands in groups as shown in Fig 3 10 Figure 3 10 The quantity setting of the device Step1 Step 2 Define the device names and set the IR commands quantity This step Fig 3 11 can set the names of the devices and the quantity of the IR command The prefix number of each device name is the d...

Page 25: ...l IR commands Qty Step 3 Comment the IR command name This step provides the interface to comment each IR command with a name It is convenient to know the function of an IR command from the name The prefix number of each IR command name means the serial number saved in the IR 712A and can be a reference in the Modbus command to the IR 712A Figure 3 13 Comment the IR command name Step3 ...

Page 26: ... 712A would turn into IR learning mode and the TR LN LED is turned on to wait for the remote control s IR signal The Learn Off can exit the IR learning mode Figure 3 15 Enable Disable IR learning mode Test and Save Learned Commands The functions of this section are described as follows Figure 3 16 Test save IR commands section Device Command Name Combo Box You can review the items in the Device Na...

Page 27: ...can test this IR command emitted from the IR 712A by clicking Run Command button The Output Channel combo box specifies the IR output channels Save this Cmd Button This button can save the current learned IR command into the Utility When finishing all the learned commands click Menu File Save IR Commands to File to save all IR commands to an backup file ird Clear this Cmd Button Click Clear this C...

Page 28: ...5 Test IR commands in IR 712A This section Fig 3 18 can help users to test the IR commands saved in IR 712A after downloading IR commands to it Click the Transmit from IR 712A button to send a Modbus command to the IR 712A with a specified IR command serial number and IR output channel Meanwhile a Modbus RTU command text for reference is shown underneath Users can click Copy button to copy the Mod...

Page 29: ...se and load the source IR learning data file 2 Select the device name of the source IR data file 3 Select the desired IR commands for copy Use keyboard Ctrl mouse left buttons or keyboard Shift mouse left to select multiple source IR commands 4 Select the current Device Name 5 Select the destination start position of IR commands for copy 6 Click the middle copy button Figure 3 19 Open window for c...

Page 30: ...g 23 2016 29 Next click Apply Close button Figure 3 21 to finish the copy procedure The IR commands are copied to the IR utility as shown in the Figure 3 22 Figure 3 21 Copy IR commands to current device Figure 3 22 IR commands are copied to the IR utility ...

Page 31: ...orm display of an IR command in the Command Name combo box as shown in Figure 3 23 When the other IR command is selected or a new IR command is learned the IR waveform will appear at the upper position and the previous IR waveform is moved to the lower position Figure 3 24 Figure 3 23 Opened waveform window shows current IR command Figure 3 24 Previous IR waveform is at underneath position ...

Page 32: ...4 1 Default settings for IR 712A serial communication Item Default COM port RS 232 Baud rate 115200 bps Parity None Data bits 8 Stop bits 1 Modbus ID 1 Note Please refer to the section 2 4 In the section of Open Close COM port select the serial communication parameters of the host PC in the six combo boxes Then click Open button to open the COM port of the host PC Notice that the Baud Rate Parity ...

Page 33: ... of the IR controlled devices as shown in Fig 4 3 Step 2 Set the device name and the quantity of the IR commands as the Fig 4 4 Step 3 Set the IR command names as depicted in Fig 4 5 The prefix numbers of these IR command names e g 1_Play represent the numbers of 224 IR commands saved in the IR 712A module They will be used as IR command number in the Modbus command for communication with IR 712A ...

Page 34: ...h is to be learned in a short time If the learning for the IR command is finished the TR LN LED will be turned off and the IR learning data will be sent back to the Utility 4 Select the IR output channel For example in fig 4 6 the IR output channel is 1 5 Aim the head of the IR emitter cable plugged in the IR output 1 at the corresponding IR controlled device Click Run Command button to emit the I...

Page 35: ...IR 712A by clicking Menu Download Download IR Commands to IR 712A in the menu and a progress window will pop up as shown in figure 4 7 Figure 4 7 Download the learned IR command to the IR 712A 4 6 Test the IR commands saved in the IR 712A The Test IR Commands in IR 712A section can help users to test the learned IR commands saved in the IR 712A as shown in figure 4 8 By clicking Transmit from IR 7...

Page 36: ...ect Menu File Load IR Commands from File in the menu to load IR learning data file ird into the IR 712A Utility 4 8 Load IR Learning Commands from the IR 712A Select Menu Download Load IR Commands from IR 712A in the menu to load the IR commands from the IR 712A A progress window will be popped up as shown in figure 4 9 Figure 4 9 Load the IR commands from the IR 712A ...

Page 37: ...01 0x03 The first bit LSB of the value represents the 1st channel The 2th bit represents the 2th channel Example The 1st output channel 0x01 0001 binary The 1st and 2nd output channels 0x03 0011 binary Table 5 2 is the example of Modbus FC16 command to emit IR signal from the IR 712A Modbus ID 1 the IR command No 1 output channel 1 2 Table 5 2 An example of Modbus FC16 Command for IR 712A Hex valu...

Page 38: ... 712A Universal IR Learning Remote Module Ver 1 3 Aug 23 2016 37 6 Technical support Please contact us if you have any questions about products ICP DAS website http www icpdas com Email service icpdas com ...

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