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ICP DAS USA IR-712A User Manual
IR-712A
Universal IR Learning Remote Module
User Manual v1.2
www.icpdas.com
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015)
Warranty
All products manufactured by ICP DAS are under warranty regarding defective
materials for a period of one year from the date of delivery to the original purchaser.
Warning
ICP DAS assumes no liability for damages resulting from 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 2015 by ICP DAS. All rights are reserved.
Trademark
The names used for identification only may be registered trademarks of their
respective companies.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 1
Contents
1. Introduction .......................................................................................3
1.1
1.2
Features .................................................................................................. 4
Applications ............................................................................................. 4
2. Hardware ...........................................................................................5
2.1
2.2
2.3
Specifications .......................................................................................... 5
Appearance ............................................................................................. 6
Pin assignments ...................................................................................... 7
2.4
Wire connection....................................................................................... 8
2.4.1
RS-232 connection ........................................................................... 8
2.4.2
RS-485 connection ........................................................................... 9
2.4.3
Jack Plug of IR Output Cable ......................................................... 10
2.4.4
Power Connection ........................................................................... 11
2.5
Watchdog Timer .................................................................................... 12
2.6
Firmware Update DIP Switch ................................................................ 13
2.6.1
Update Firmware Mode .................................................................. 13
2.6.2
Firmware Operation Mode.............................................................. 14
2.7
LED Indicators ....................................................................................... 15
3. Software...........................................................................................16
3.1
3.2
The Configuration Tool– IR-712A Utility ................................................. 16
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 .............................................. 22
3.2.4
Test and Save Learned IR Commands .......................................... 24
3.2.5
Test IR commands in IR-712A........................................................ 26
4. Learning IR command Example .....................................................27
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
IR-712A Communication settings .......................................................... 27
Set the Devices and IR commands Quantity ......................................... 28
Learn and Test IR Commands ............................................................... 29
Saving the Learned IR Commands to a File .......................................... 30
Download the IR Learning Commands to the IR-712A.......................... 30
Test the IR commands saved in the IR-712A ........................................ 30
Load the IR Learning Commands from a File ........................................ 31
Load IR Learning Commands from the IR-712A ................................... 31
5. Modbus Registers Addresses ........................................................32
6. Technical support ...........................................................................33
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 2
1. Introduction
The Intelligent Home and Building Automation are becoming the hot topics recently in
the world. Many countries are devoted to development and promotion in this field.
There are many kinds of consumer electronics and home appliances in the market
applying the IR remote control function because of its mature technology and low cost.
However, these appliances are usually equipped with their own remote controls using
diverse IR protocols which are not unified to a standard. If these IR commands of
different appliances can be collected and integrated to the control interfaces, 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 and
RS-485 interfaces with Modbus/RTU protocol provide more flexible expansion and
control on the module. Besides, IR-712A software utility provides users with easy
configuration, learning, test and storage of IR commands. As a replacement of IR
remote controls and a module that can be easily integrated with Modbus master
devices (e.g. PAC, PLC, PC… etc.), IR-712A is well-suited for smart home and
building automation.
Figure 1-1 IR-712A application architecture.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 3
1.1 Features
[IR-712A]
 2 IR output channels for controlling multiple devices.
 1 IR learning input.
 Supports 6 learning IR carrier frequencies: 32.768、36、37.037、38、40 and
56 kHz.
 Can learn and store 224 IR commands.
 Supports RS-232 and RS-485 serial interface.
 Supports Modbus/RTU protocol (FC06 and FC16).
 Assignable Modbus Network IDs: 1 ~ 247
 Baud rate settings: 9600, 19200, 38400, 57600 and 115200 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.
 Supports Windows XP, Vista, Windows 7 and 8, with .NET framework 4.0.
1.2 Applications






Home Entertainment Devices
Video Conferencing System
Surveillance System
e-Classroom service
Lighting Scenario Control
Home and Building Automation
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 4
2. Hardware
2.1 Specifications
IR-712A
IR Interface
IR Output Ch.
2 channels with 3.5 mm audio jack
IR Input Ch.
1 channel. Supports 6 IR carrier frequencies: 32.768, 36, 37.037, 38, 40, 56
kHz.
IR Commands Storage
224
Serial Communication Interface
Connector
8-pin (RS-485, RS-232, power) screw terminal 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
Power Consumption
+10 ~ +30 VDC
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
FW (firmware update mode) / OP (firmware operation mode)
Environment
Operating Temperature
-25 ℃ ~ +80 ℃
Storage Temperature
-30 ℃ ~ +85 ℃
Humidity
10 ~ 90% RH, non-condensing
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 5
2.2 Appearance
Figure 2-1 The front view of the IR-712A.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 6
2.3 Pin assignments
● IR output channels and learning input
IR Output 1 ~ 2:3.5 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
1
DATA+
2
DATA-
3
GND (ground)
4
TxD
5
RxD
6
N/A
7
GND (ground)
8
+Vs
Interface
RS-485
RS-232
N/A
Figure 2-3 Screw terminal connector
Power
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 7
2.4 Wire connection
The IR-712A supports 2 communication ports: RS-232 and RS-485 interfaces. Only
one interface can be used at the same time (*). Two IR outputs at the bottom are 3.5
mm audio jacks for IR emitter cables.
* Note:
1) Before the firmware v1.07 (included):
- Default serial interface is RS-232.
- Use IR utility to select RS-232 or RS-485 as the communication port.
- The TR/LN LED indications the current communication port 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-232 connection
The wire connection for IR-712A’s RS-232 port is shown in Figure 2-4.
Figure 2-4 RS-232 wire connection.
Please refer to Fig. 2-6 if the RS-232 connection cable (e.g. CA-0910, Fig. 2-5) is
applied. If there is no DB9 serial port on the host PC, it is recommended to use USB to
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 8
RS-232 converter (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.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 9
Figure 2-7 RS-485 wire connection.
The USB to RS-485 converter (tM-7561 or I-7561) is recommended for the host 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. IR712A 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
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 10
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.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 11
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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2.6 Firmware Update DIP Switch
There is a DIP switch at the lateral of the IR-712A’s case. It is for the setting of the
firmware update mode. The following explains how to use the DIP switch.
2.6.1 Update Firmware Mode
Push the DIP switch to the “FW” position as shown in Figure 2-12. The IR-712A will be
in the update firmware mode after cycling the power. Users have to update the
firmware by the RS-232 port of the IR-712.
Figure 2-12 DIP switch in “FW” position.
To update the firmware, users can click the menu [Tool] -> [Update Firmware to IR712A] 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 “Firmware Update” button to start the update procedure.
The result of the update would be shown in “Firmware Update” section.
Note:
1. After updating the firmware, remember to push the switch to “OP” mode and power
cycle the IR-712A to run in operation mode.
2. Updating Firmware would not change the serial communication settings and IR
commands saved in the IR-712A.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 13
1
2
3
Figure 2-13 Update firmware of IR-712A.
The firmware of IR-712A can be downloaded from:
ftp://ftp.icpdas.com/pub/cd/usbcd/napdos/ir/ir-712A/firmware/
The Firmware_Update_Tool can be downloaded from:
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), IR712A can learn IR commands from remote controls as well as be configured by the
utility and receive Modbus commands from the master devices.
Figure 2-14 Push the switch to “OP” mode
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 14
2.7 LED Indicators
There are two LEDs in the IR-712A to show different operating states. The meanings
of these states are described in Table 2-2.
Table 2-2 The description of LEDs for IR-712A
LED
TR / LN
PWR
ALL LEDs
IR-712A Status
Use RS-232
(*)
LED Status
Blinks 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
Power is normal
On
Power Failure
Off
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
Note:
Push DIP switch to FW position
and restart IR-712A.
(Normal)
(Update firmware)
* Please refer to the section 2-4.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 15
3. Software
3.1 The Configuration Tool– IR-712A Utility
IR Utility is the configuration tool for the IR series modules. It runs in the .NET
Framework 4.5 based on Microsoft Windows OS. IR-712A utility, contained in the IR
utility, is for IR-712A to set parameters and learning IR commands. Users can
download the IR Utility(IR_Util_Setup_v#_#_#_#.zip) from:
ftp://ftp.icpdas.com/pub/cd/usbcd/napdos/ir/ir_utility/
If the environment of .NET Framework 4.5 is not available on the Microsoft Windows
OS, please download and install the redistributable packages as follows:
 Web Installer
http://www.microsoft.com/en-US/download/details.aspx?id=30653
 Standalone Installer
http://go.microsoft.com/fwlink/?LinkId=225702
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 16
3.2 IR-712A Utility
IR utility 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.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 17
3.2.1 Menu
Table 3-1 lists the menu items in the IR-712A Utility.
Table 3-1 The items of menu.
Item
File
Sub Item
Load IR Commands from File
Unload IR Commands
Save IR Commands to File
Exit
Download
Download IR Commands to IR-712A
Load IR Commands from IR-712A
Setting
IR-712A Basic Settings
Reset Basic Settings on IR-712A
Tool
Update Firmware to IR-712A
Help
About IR-712A Utility
(1) File
‧Load IR Command from File
The IR command file obtains the IR learning data. The filename extension is IRD.
Click this item would pop up an Open File Dialog for users to find and load the IR
command file.
‧Unload IR Commands
This function would clear all the IR learning commands temporarily buffered in the
items of the “Device Name” and “Command Name” combo boxes in the section of
the “Test and Save Learned IR Commands.” The quantity and values of the devices
and IR commands are reset to the default.
‧Save IR Commands to File
This item provides a Save File Dialog to save the IR learning commands to an IRD
file.
‧Exit
Exit and close the utility.
(2) Download
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‧Download IR Commands to IR-712A
This item can download the IR learning 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 to the
utility. Clicking this item will show a loading progress window and close itself after
the loading is finished.
Figure 3-3 Load the IR commands from the IR-712A.
(3) Setting
‧IR-712A Basic Settings
Click this item to open the window of basic parameter settings as shown in Figure 34.
Figure 3-4 The basic settings window for IR-712A.
These settings include:
[1] COM Port
: The COM port of IR-712A.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 19
(RS-232/RS-485, default: RS-232) (*)
: The baud rate of the COM port
(9600~115200 bps,default: 115200)
: Parity bit (NONE / ODD / EVEN,default:NONE)
[2] Baud Rate
[3] Parity
[4] Data Bits
[5] Stop Bits
[6] Net ID
: Data bit (This value is fixed in 8)
: Stop bit (1 / 2, default:1)
: Modbus Network ID
(1~247, default: 1)
: The max space time in an IR protocol (Fig. 3-5). For example,
[7] GapTime
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)
* Note: Please refer to the section 2-4.
The “Get Setting” button will be executed once when the “Basic Settings” window is
opened in the beginning. Three buttons located at the right side of the window are
described in the Table 3-2.
Table 3-2: Three buttons in the window of basic settings
Button Name
Description
Get Setting
Get the current basic parameter settings of IR-712A.
Set Temporarily
Set the settings of IR-712A to the parameters selected in the
window temporarily. Cycling the power will restore IR-712A to
previous settings.
Set Permanently
Set the settings of IR-712A to the parameters selected in the
window. IR-712A will retain the settings after power cycling.
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‧Reset Basic Settings on IR-712A
If it is failed to communicate with IR-712A and the 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 parameters resetting is temporary. Please go to “IR-712A Basic Settings” interface
and click “Set Permanently” button to retain the settings.
Figure 3-6 IR-712A reset window
Figure 3-7 Reset to default settings temporarily.
(4) Tool
‧Update Firmware to IR-712A
Launch the “Update Firmware Tool”. Please refer to section 2.4.1 for more
information.
(5) Help
‧About IR-712A Utility
This item will show a window which contains the version numbers of the utility and
the IR-712A’s firmware. The firmware version will be indicated when the utility can
communicate with the IR-712A module.
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3.2.2 Open/Close COM port
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
[2] Baud Rate
: The COM port of IR-712A.
(RS-232/RS-485, default: RS-232)
: The baud rate for the COM port
(9600~115200 bps,default: 115200)
[3] Parity
: Parity bit
(NONE / ODD / EVEN,default:NONE)
[4] Data Bits
: Data bit
(This value is always 8)
: Stop bit
(1 / 2, default:1)
: Modbus Network ID of IR-712A
(1~247, default: 1)
[5] Stop Bits
[6] Net ID
3.2.3 Set Device & IR Command Quantity
The IR device & command quantity for learning can be configured in this section.
Please click “Set Device & IR Command Quantity” button (Figure 3-9) to set them up in
three steps (Figure 3-10 ~ Figure 3-13).
Figure 3-9 Configure IR command quantity for IR learning.
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● Step 1: Set the IR device 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 device serial number. The
quantity of the IR command cannot exceed 224, or the utility would pop up an error
message box and show the remaining quantity for configuration (Fig. 3-12).
Figure 3-11 Define the name and the quantity of the IR commands (Step2).
Figure 3-12 Error message box for exceeding total IR commands Qty.
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● 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).
3.2.4 Test and Save Learned IR Commands
This section provides the function of enabling IR learning mode, saving IR commands
temporarily and testing the learned IR commands as shown in Figure 3-14.
Figure 3-14 Test & save learned IR commands section.
 IR Learning Mode
This interface (Figure 3-15) provides “Learn On” and “Learn Off” buttons. After clicking
the “Learn On” button, the IR-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
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 24
 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 Name” and “Command Name” combo boxes
after setting of device and IR command quantity. Users can do the IR learning
according to these items.
● IR Command Learning State
The rectangle at the right side of the “Command Name” combo box in Fig. 3-17 shows
the storage state for the current IR learning command. Three colors indicate three
different states as follows:
Table 3-3 The state of IR command storage
Color
Description
Red
The IR learning command has been saved in the item of the
“Command Name” combo box.
Yellow
The IR learning command has been saved temporarily in the item
of the “Command Name” combo box. If the other item is selected,
the data would disappear.
White
There is no IR learning command in this item.
Figure 3-17 The rectangle to show IR learning state
● “Run Command” Button
When learning an IR command is finished, users 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.
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● “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 Cmd” button to remove the learned IR command data corresponding
to the item in the “Command Name” combo box.
● “Clear All Cmds” Button
Click “Clear All Cmd” button to remove all the learned IR command data corresponding
to all the items but not items themselves in the “Command Name” combo box. Please
click Menu [File]->[Unload IR Commands] to clear all IR commands data as well as
reset the names and quantity of the items to the default in “Command Name” combo
box.
● “Output Channel” Combo Box
The “Output Channel” Combo Box specifies the IR output channels when clicking “Run
Command” button to emit the learned IR command. Besides the single channel 1 and
2 for selection, simultaneous channel 1 and 2 is also provided.
3.2.5 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 Modbus command to the
clipboard and use it in programming their applications.
Figure 3-18 Test IR commands saved in IR-712A.
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4. Learning IR command Example
After the establishment of the RS-232/485 wire connection between the PC and the
IR-712A, please follows the sections below to learn how to configure the IR-712A,
learn IR commands from remote controls and save the IR commands in PC and IR712A.
4.1 IR-712A Communication settings
The default serial communication parameters of the IR-712A are listed in Table 4-1:
Table 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, Data Bits, Stop Bits and Net ID
in the utility should be the same as those in the IR-712. Please click Menu [Setting]>[IR-712A Basic Settings] and refer to section 3.2.1 to change the serial
communication settings in the IR-712A.
Figure 4-1 Open the COM port of the Host PC.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 27
4.2 Set the Devices and IR commands Quantity
Click the “Set Device & IR Command Quantity” button at top-right corner (Fig. 4-2) to
open the configuration dialog. Follow three steps below to finish the configuration of
the devices and IR commands quantity in advance of the next IR learning.
Step 1: Set the quantity 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.
Figure 4-2 The button for configuration of IR command quantity.
Figure 4-3 Set device quantity.
Figure 4-4 Set device names & IR cmd quantity.
Figure 4-5 Set names of IR commands.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 28
4.3 Learn and Test IR Commands
Follow the steps below and Fig. 4-6 to learn and test IR commands:
(1) Determine the IR command for learning by selecting the items in the “Device Name”
and “Command Name” combo boxes.
(2) Click the “Learn On” button to enable the IR learning mode on IR-712A. At the
same time, the TR/LN LED is turned on to show the IR learning state.
(3) Aim the IR emitter head of the device’s remote control at the IR input of IR-712A.
The distance less than 3 cm between the remote control and the IR-712A would be
best. Then, press the button of the remote control which 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 IR
command from the IR-712A. You can check if the learned IR command is OK by
investigate the action of the appliance. If not, please repeat step 2 and step 3
again.
(6) Click “Save this Cmd” button to save this IR learning command to the current item
of the “Command Name” combo box, e.g. the item is “Play” in figure 4-6.
Repeat the above steps to learn all the IR commands.
1
2
4
6
5
2
3
遙控器
IR Input
距離:≤ 3 cm
Figure 4-6 The steps to learn IR commands.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 29
When the IR learning process is finished, it is advised to save these learning data into
a file for backup by clicking Menu [File]-[Save IR Commands to File]. Besides, it is
necessary to download these learned IR commands to the IR-712A by selecting Menu
[Download]->[Download IR Commands to IR-712A].
4.4 Saving the Learned IR Commands to a File
Click Menu [File]->[Save IR commands to file] to save the learned IR commands as a
file. The extension of the file name is *.ird.
4.5 Download the IR Learning Commands to the IR-712A
After the learning IR command procedure or loading learning data from the file, it is
necessary to download these learning data to the 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 IR712A” button, the specified IR command (the prefix no. mentioned in 4.2) would be
emitted from the selected output channel of the IR-712A. You can check if the learned
IR command is correct in this way.
At the same time, the Modbus RTU command (last two bytes are CRC16 code) sent to
IR-712A is shown in the textbox underneath. This Modbus message is a reference for
users to help program the application to control IR-712A. The “Show” button will show
the Modbus RTU message in the textbox without sending the Modbus command.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 30
Figure 4-8 Test the IR commands saved in the IR-712A.
4.7 Load the IR Learning Commands from a File
Select 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.
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 31
5. Modbus Registers Addresses
Table 5-1 is the description of the Modbus/RTU holding registers (4xxxx) for IR-712A.
The Modbus master device can send Modbus commands to the IR-712A to emit the IR
commands from the output channels. A reference to Modbus FC16 commands is also
provided by the IR-712A Utility (section 3.2.5). The function codes (FC) to write data to
Modbus registers are 6 and 16. Each Modbus address occupies 2 bytes.
Table 5-1 Modbus Holding Registers for the IR-712A
Start Address [4xxxx] Description
1103 (0x44F) [41104]
The number of IR command : 1 ~ 224 (0X01 ~ 0XE0)
1104 (0x450)
[41105]
IR output channels
Settable value: 0x01 ~ 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 IR712A. (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 value)
Net
ID
FC*
Start Word
Addr. Count
Byte
Count
IR Cmd
No.
Output
Ch.
CRC16
01
10
04 4F 00 02
04
00 01
00 03
94 DE
*FC is the abbreviation of Function Code.
Table 5-3 is an example of using Modbus FC6 commands, where [41104] and [41105]
should be written sequentially. (Modbus ID: 1, IR cmd No.: 1, Output channel: 1 & 2)
Table 5-3 An example of Modbus FC6 Command for IR-712A (Hex value)
Net ID
FC
Start Addr.
IR Cmd No.
CRC16
01
06
04 4F
00 01
78 ED
Net ID
FC
Start Addr.
IR Cmd No.
CRC16
01
06
04 50
00 03
C8 EA
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 32
6. Technical support
Please contact us if you have any questions about products.
ICP DAS website: http://www.icpdas.com
Email: service@icpdas.com
IR-712A Universal IR Learning Remote Module (Ver. 1.2, Jun/26/2015) 33
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