Serial Communication Control Interface User`s Manual

Serial Communication Control Interface User`s Manual
Serial Communication Control Interface
User’s Manual
Edition 1.0, September 2015
www.moxa.com/product
For the following products:
MD-219 Series
MD-224 Series
MD-226 Series
MPC-2190 Series
MPC-2197 Series
MPC-2240 Series
MPC-2247 Series
MPC-2260 Series
MPC-2267 Series
© 2015 Moxa Inc. All rights reserved.
Serial Communication Control Interface
User’s Manual
The software described in this manual is furnished under a license agreement and may be used only in accordance with
the terms of that agreement.
Copyright Notice
© 2015 Moxa Inc. All rights reserved.
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The MOXA logo is a registered trademark of Moxa Inc.
All other trademarks or registered marks in this manual belong to their respective manufacturers.
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Moxa.
Moxa provides this document as is, without warranty of any kind, either expressed or implied, including, but not limited
to, its particular purpose. Moxa reserves the right to make improvements and/or changes to this manual, or to the
products and/or the programs described in this manual, at any time.
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its use, or for any infringements on the rights of third parties that may result from its use.
This product might include unintentional technical or typographical errors. Changes are periodically made to the
information herein to correct such errors, and these changes are incorporated into new editions of the publication.
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Table of Contents
1.
Display Control Interface .................................................................................................................. 1-1
Connecting to the UART Control Interface .............................................................................................. 1-2
UART Command Format ...................................................................................................................... 1-4
Command Description .................................................................................................................. 1-4
ATTN (Attention).................................................................................................................. 1-4
ADDR (Address)................................................................................................................... 1-4
CMD (Message Commands and Queries) ................................................................................. 1-5
LEN (Data Length) ............................................................................................................... 1-5
IHCHK (Inverse Header Checksum) ........................................................................................ 1-5
DATA (Data Field) ................................................................................................................ 1-5
IDCHK (Inverse Data Checksum) ........................................................................................... 1-6
Downloading RGB Files ........................................................................................................................ 1-6
VGA ........................................................................................................................................... 1-6
DVI ........................................................................................................................................... 1-7
2.
Display UART Control Commands ...................................................................................................... 2-1
BRI (Brightness Minimum Value) .......................................................................................................... 2-2
BRL (Set LED Brightness of Touch Keypad) ............................................................................................ 2-2
BRM (Brightness Maximum Value) ........................................................................................................ 2-2
BRT (User Brightness Control) .............................................................................................................. 2-2
BRU (Glass Display Control-Brightness Button) ....................................................................................... 2-3
BZZ (Buzzer Control) .......................................................................................................................... 2-3
DLN (Download ECDIS RGB Package) .................................................................................................... 2-3
DL? (ECDIS RGB Package Query).......................................................................................................... 2-4
D2N (Download ECDIS RGB Package (Second)) ...................................................................................... 2-4
D2? (ECDIS RGB Package Query (Second)) ............................................................................................ 2-4
ETC (Elapsed Time Counter Query) ....................................................................................................... 2-5
GMB (Glass Display Control - Minimum Brightness) ................................................................................. 2-5
POT (Potentiometer Control) ................................................................................................................ 2-5
SNB (Serial Number Query) ................................................................................................................. 2-6
SWI (Scalar Firmware Version Query) ................................................................................................... 2-6
SWK (Touch Keypad Firmware Version Query) ....................................................................................... 2-6
TYP (Model Name Query) ..................................................................................................................... 2-6
MAN (Manufacturer ID) ....................................................................................................................... 2-6
ADF (AC Input Power Detection Function) .............................................................................................. 2-7
AD? (Query AC Input Power Detection Function Status) ........................................................................... 2-7
DDF (DC Input Power Detection Function).............................................................................................. 2-7
DD? (Query DC Input Power Detect Function Status) .............................................................................. 2-8
BLI (Brightness Control) ...................................................................................................................... 2-8
DUF (Disable UART Command Function) ................................................................................................ 2-8
EMS (ECDIS Mode Select) .................................................................................................................... 2-9
CT? (Current Temperature Query) ........................................................................................................ 2-9
SS? (System Status Query) ............................................................................................................... 2-10
MCC (OSD Control Command) ............................................................................................................ 2-10
1
1.
Display Control Interface
Moxa’s MD and MPC products include a UART interface that provides system designers a convenient method for
developing custom software controls for the display panel. In this chapter, we describe the UART control
interface and the format of the available commands.
The following topics are covered in this chapter:
 Connecting to the UART Control Interface
 UART Command Format
 Command Description
 Downloading RGB Files
 VGA
 DVI
Serial Communication Control Interface
Display Control Interface
Connecting to the UART Control Interface
You can use a terminal program (for example, Moxa’s PComm terminal emulator or PuTTY) to access the
control interface of the MD display (through the RS-232/RS-422/RS-485 serial port) or the MPC panel
computer (through the RS-232 serial port).
Before you can connect to the MD or MPC product using a terminal emulator, you must configure the connection
settings. The following procedure shows you the configuration steps using Moxa’s PComm terminal emulator.
The connection settings are listed in Step 2.
1. Open the Moxa’s PComm Terminal Emulator application and select Port Manager  Open.
2. Configure the connection settings as shown. Click OK.
Protocol: Serial
Serial Parameters:
COM# (the actual number depends
on the computer)
Baud rate: 9600
Data bits: 8
Parity: None
Stop bits: 1
RTS state: ON
DTR state: ON
1-2
Serial Communication Control Interface
Display Control Interface
3. After you connect to the MD or MPC product, click the Send pattern icon.
4. In the Send Pattern dialog box, you can enter a command in the HEX field and click Start Send to send the
command.
The following example queries the firmware version on the scalar board.
Example: Querying the firmware version
0x07
0xFF
0x53
0x57
0x49
0x00
0x06
In this example, the screen displays the scalar firmware version 1.0 as indicated in the figure below.
NOTE
This example applies to MPC-2000 series products. For MD-200 series products, the second byte (byte 1) will
vary, depending on the address of the unit.
1-3
Serial Communication Control Interface
NOTE
Display Control Interface
For detailed command information, see the Display UART Control Commands chapter.
UART Command Format
The following table shows the UART command message format. The minimum message size is seven bytes and
the maximum size is 82 bytes.
Byte #
0
1
2,3,4
5
6
7 to [7+(LEN-1)]
7+LEN
ATTN
ADDR
CMD
LEN
IHCHK
DATA
IDCHK
Command Description
This section includes detailed descriptions of each byte in a UART command message.
ATTN (Attention)
This byte is used to identify the start of a message. The following table shows the possible values for this byte.
ATTN
Description
0x07
Command (ASCII BELL) packet.
0x06
Acknowledge (ASCII ACK) packet.
0x15
Negative ACK (ASCII NAK) packet.
For example, if a computer sends a command with the 0x07 attention code to the MD or MPC product, the MD
or MPC product will respond with either an ACK (if the command is completed successfully) or a NAK (if the
command failed).
ADDR (Address)
This byte is used to specify the address where a command will be sent.
ADDR
Description
0xFF
Broadcast the command to all units.
0x00 to 0x0F
Address of a specific unit: 0 to 15 (the maximum is 16 units).
1-4
Serial Communication Control Interface
Display Control Interface
CMD (Message Commands and Queries)
The following table lists the possible values for the command portion. For detailed information, see the Display
UART Control Commands chapter.
CMD 0
CMD 1
CMD 2
ASCII
Description
0x42
0x52
0x49
“BRI”
Brightness Minimum Value
0x42
0x52
0x4C
“BRL”
Set LED Brightness of Touch Keypad
0x42
0x52
0x4D
“BRM”
Brightness Maximum Value
0x42
0x52
0x54
“BRT”
User Brightness Control
0x42
0x52
0x55
“BRU”
Glass Display Control - Brilliance Button
0x42
0x5A
0x5A
“BZZ”
Buzzer Control
0x44
0x4C
0x4E
“DLN”
Download ECDIS RGB package
0x44
0x4C
0x3F
“DL?”
ECDIS RGB package Query
0x44
0x32
0x4E
“D2N”
Download ECDIS RGB package(Second)
0x44
0x32
0x3F
“D2?”
ECDIS RGB package Query(Second)
0x45
0x54
0x43
“ETC”
Elapsed Time Counter Query
0x47
0x4D
0x42
“GMB”
Glass Display Control - Minimum Brightness
0x50
0x4F
0x54
“POT”
Potentiometer Control
0x53
0x4E
0x42
“SNB”
Serial Number Query
0x53
0x57
0x49
“SWI”
Scalar Firmware Version Query
0x53
0x57
0x4B
“SWK”
Touch Keypad Firmware Version Query
0x54
0x59
0x50
“TYP”
Model Name Query
0x4D
0x41
0x4E
“MAN”
Manufacturer ID
0x41
0x44
0x46
“ADF”
AC Input Power Detect Function
0x41
0x44
0x3F
“AD?”
Query AC Input Power Detect Function Status
0x44
0x44
0x46
“DDF”
DC Input Power Detect Function
0x44
0x44
0x3F
“DD?”
Query DC Input Power Detect Function Status
0x42
0x4C
0x49
“BLI”
Brightness Control
0x44
0x55
0x46
“DUF”
Disable UART Command Function
0x45
0x4D
0x53
“EMS”
ECDIS Mode Select
0x43
0x54
0x3F
“CT?”
Current Temperature Query
0x53
0x53
0x3F
“SS?”
System Status Query
0x4D
0x43
0x43
“MCC”
OSD Control Command
LEN (Data Length)
This byte defines the data length (in bytes) of the message. The maximum value for this field is 74 bytes and
the minimum value is 0.
IHCHK (Inverse Header Checksum)
This is a simple 8-bit checksum of the first six bytes of the packet (bytes 0 to 5) after a bitwise inversion has
been performed on them. This means the 8-bit sum (without carrying) of bytes 0, 1, 2, 3, 4, 5, and 6 is 0xFF.
IHCHK = 0xFF – [the sum of bits 0, 1, 2, 3, 4, 5]
DATA (Data Field)
The data field must have a LEN (data length) larger than 0. Some commands do not have any data, so this field
is left blank.
1-5
Serial Communication Control Interface
Display Control Interface
IDCHK (Inverse Data Checksum)
This is a simple 8-bit checksum of the data field, message bytes 7 to 7+(LEN-1) after a bit-wise inversion has
been performed on each bit. This means that the 8-bit sum of DATA bytes and IDCHK byte is equal to 0xFF; the
sum of all data bits is:
IDCHK = 0xFF – [the sum of bits 7 to 7+[LEN-1]]
If the message carries no data, then this checksum is not transmitted.
Downloading RGB Files
This feature returns the ECDIS RGB file that is currently saved to the EEPROM; thus, it is only available for
type-approved ECDIS models.
VGA
Use the following commands for downloading RGB files from a VGA input source.
Command
Description
DL?
Data: none (0 byte)
ACK: Total packet numbers (1 byte)
DLN
Data: Appointed packet (1 byte)
ACK: File content (30 bytes maximum, except for the last packet)
The command DL? sends a request to the micro controller and queries the number packets that need to be
downloaded. The reply from the microcontroller should be used when using the command DLN to download
specific packets.
Refer to the following section for detailed descriptions of the DL? and DLN commands.
Query the RGB File Size (in packets): DL? Command
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
0x7
0xFF
0x44
0x4C
0x3F
0x0
0x2A
D
L
?
Hex
ASCII
Download the RGB File: DLN Command
Hex
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
0x7
0xFF
0x44
0x4C
0x4E
0x1
0x1A
D
L
N
ASCII
Byte 7
appointed
packet
Byte 8
0xAF
The following shows a sample command to read and return packet 0 of an RGB file.
0x07
0xFF
0x44
0x4C
0x4E
0x01
0x1A
0x00
0xFF
This is the ACK packet that is returned, with data packet 0 located in the Data section.
0x06
0xFF
0x44
0x4C
0x4E
0x20
0xFC
0x00
-
Data
IDCHK
In this example, the result shows the actual value of RGB file package 0. The results vary depending on the
computer.
NOTE
This example applies to MPC-2000 series products. For MD-200 series products, the second byte (byte 1) will
vary, depending on the address of the unit.
1-6
Serial Communication Control Interface
Display Control Interface
DVI
Use the following commands to download RGB files from the DVI input source:
Command
Description
D2?
Data: none (0 byte)
ACK: Total packet numbers (1 byte)
D2N
Data: Appointed packet (1 byte)
ACK: File content (30 bytes maximum, except for the last packet)
The command D2? sends a request to the microcontroller and queries the number packets that need to be
downloaded. The reply from the microcontroller should be used when using the command D2N to download
specific packets.
Refer to the following section for detailed descriptions of the D2? and D2N commands.
Query the RGB File Size (in packets): D2? Command
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
0x7
0xFF
0x44
0x32
0x3F
0x0
0x2A
D
2
?
Hex
ASCII
Download the RGB File: D2N Command
Hex
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
0x7
0xFF
0x44
0x32
0x4E
0x1
0x1A
D
2
N
ASCII
Byte 7
Appointed
packet
Byte 8
0xAF
The following shows a sample command to read and return packet 0 of an RGB file.
0x07
0xFF
0x44
0x32
0x4E
0x01
0x1A
0x00
0xFF
This is the ACK packet that is returned, with data packet 0 located in the Data section.
0x06
0xFF
0x44
0x32
0x4E
0x20
0xFC
0x00
-
Data
IDCHK
In this example, the result shows the actual value of RGB file package 0. The results vary depending on the
computer.
NOTE
This example applies to MPC-2000 series products. For MD-200 series products, the second byte (byte 1) will
vary, depending on the address of the unit.
1-7
2
2.
Display UART Control Commands
The following topics are covered in this chapter:
 BRI (Brightness Minimum Value)
 BRL (Set LED Brightness of Touch Keypad)
 BRM (Brightness Maximum Value)
 BRT (User Brightness Control)
 BRU (Glass Display Control-Brightness Button)
 BZZ (Buzzer Control)
 DLN (Download ECDIS RGB Package)
 DL? (ECDIS RGB Package Query)
 D2N (Download ECDIS RGB Package (Second))
 D2? (ECDIS RGB Package Query (Second))
 ETC (Elapsed Time Counter Query)
 GMB (Glass Display Control - Minimum Brightness)
 POT (Potentiometer Control)
 SNB (Serial Number Query)
 SWI (Scalar Firmware Version Query)
 SWK (Touch Keypad Firmware Version Query)
 TYP (Model Name Query)
 MAN (Manufacturer ID)
 ADF (AC Input Power Detection Function)
 AD? (Query AC Input Power Detection Function Status)
 DDF (DC Input Power Detection Function)
 DD? (Query DC Input Power Detect Function Status)
 BLI (Brightness Control)
 DUF (Disable UART Command Function)
 EMS (ECDIS Mode Select)
 CT? (Current Temperature Query)
 SS? (System Status Query)
 MCC (OSD Control Command)
Serial Communication Control Interface
Display UART Control Commands
BRI (Brightness Minimum Value)
This command sets the minimum brightness value. The value ranges from 0x00 to 0x31 (0% - 100%).
LEN (data length) = one data byte.
Example:
The following command sets the brightness to 30%.
0x07
0xFF
0x42
0x52
0x49
0x01
0x1B
0x10
0xEF
BRL (Set LED Brightness of Touch Keypad)
This command sets the brightness of the touch keypad. The value ranges from 0x00 to 0x31 (0% - 100%).The
default brightness value of the touch keypad will be changed in the ratio of the panel backlight brightness. You
can send a ? to query command to query the current value of the brightness value.
LEN = one data byte.
Example:
The following command sets the brightness of the touch keypad to 100%.
0x07
0xFF
0x42
0x52
0x4C
0x01
0x18
0x31
0xCE
BRM (Brightness Maximum Value)
This command sets the maximum brightness value. The value ranges from 0x00 to 0xFF (0% - 100%).
LEN = one data byte.
Example:
The following command sets the maximum brightness to 88%.
0x07
0xFF
0x42
0x52
0x4D
0x01
0x17
0xE0
0x1F
BRT (User Brightness Control)
This command sets the maximum brightness value of the display panel. The value ranges from 0x00 to 0xFF
(0% - 100%). The default value is 0xFF.
Note that every time you restart the MD-200 series display, the BRT value is reset to 100%. If you change the
BRT value (for example, the BRT value is not equal to 0xff), the ECDIS function is not supported and the ECDIS
function keys will be disabled and turned off.
If the data and data checksum are incorrect, the reply data field is the current BRT value.
LEN = one data byte.
Examples:
The following command sets the brightness to 40%.
0x07
0xFF
0x42
0x52
0x54
0x01
0x10
0x66
0x99
0x52
0x54
0x01
0x11
0x66
0x99
0x01
0x02
0xFF
0x00
ACK sets the brightness to 40%.
0x06
0xFF
0x42
NAK sets the brightness value the default value of 100%.
0x15
0xFF
0x42
0x52
0x54
2-2
Serial Communication Control Interface
Display UART Control Commands
BRU (Glass Display Control-Brightness Button)
This command sets the LED brightness value of the touch keypad. The value ranges from 0x00 to 0xFF (0% 100%). The default brightness value of the touch keypad will be changed in the ratio of the panel backlight
brightness.
You can send a ? to query the current LED brightness value.
LEN = one data byte.
Example:
This command sets the brightness to 100%.
0x07
0xFF
0x42
0x52
0x55
0x01
0x0F
0xFF
0x00
BZZ (Buzzer Control)
The default value for the buzzer is OFF. You can send this command to the MD or MPC product to activate or
deactivate the buzzer.
If the data and data checksum are incorrect, the reply data field is the current buzzer status.
LEN = one byte.
0x00
Turn the buzzer OFF
0xFF
Turn the buzzer ON
0x3F
Query the current status
Examples:
The following command turns the buzzer ON.
0x07
0xFF
0x42
0x5A
0x5A
0x01
0x02
0xFF
0x00
0xFF
0x42
0x5A
0x5A
0x01
0x03
0xFF
0x00
0x5A
0x01
0x02
0x3F
0xC0
0x01
0x03
0xFF
0x00
ACK
0x06
This command queries the current buzzer status.
0x07
0xFF
0x42
0x5A
In the ACK message, the current status of the buzzer is ON
0x06
0xFF
0x42
0x5A
0x5A
DLN (Download ECDIS RGB Package)
Before sending this command, use DL? to determine how many available packets are in each ECDIS table. This
command cannot be used if the MD or MPC product has not been calibrated. Every packet has a head (Byte 7
and Byte 8); Byte 7 is the packet number and Byte 8 is the ASCII code for “-”; the remaining bytes are the data.
If the packet is full the data is in Byte 9 to Byte 38.
LEN = one data byte.
Data length is 32. The first byte is package num., the second byte is “-” and the other 30 bytes are data.
Examples:
Command to read package 0.
0x07
0xFF
0x44
0x4C
0x4E
0x01
0x1A
0x00
0xFF
0x4E
0x20
0xFC
0x00
0x2D
ACK package 0 of the first RGB file
0x06
0xFF
0x44
0x4C
2-3
Data
IDCHK
Serial Communication Control Interface
Display UART Control Commands
DL? (ECDIS RGB Package Query)
Use DL? to determine how many available packets are in each ECDIS table. This command cannot be used if
the unit has not been calibrated. Total package num = Size of ECDIS RGB file/30 bytes per package.
Total package number = Size of ECDIS RGB file/30 bytes per package.
Examples:
Send a DL? command to query the total package number of the first RGB file.
0x07
0xFF
0x44
0x4C
0x3F
0x00
0x2A
0x44
0x4C
0x3F
0x01
0x2A
ACK 255 packages
0x06
0xFF
0xFF
0x00
D2N (Download ECDIS RGB Package (Second))
Before sending this command, use D2? to determine how many available packets are in each ECDIS table. This
command cannot be used if the unit has not been calibrated. Every packet has a head (Byte 7 and Byte 8); Byte
7 is this packet number and Byte 8 is the ASCII code for “-”; the remaining bytes are the data. If the packet is
full the data is in Byte 9 to Byte 38.
LEN = one data byte.
Data length is 32. The first byte is package num., the second byte is “-” and the other 30 bytes are data.
*This command is only for Display MD-200 Series
Examples:
Command to read package 0.
0x07
0xFF
0x44
0x32
0x4E
0x01
0x34
0x00
0xFF
0x4E
0x20
0x16
0x00
0x2D
ACK the package 0 of the first RGB file
0x06
0xFF
0x44
0x32
Data
IDCHK
D2? (ECDIS RGB Package Query (Second))
Every package contains 32 bytes of data; the first byte is the package number, the second byte is “-”, and data
is stored in the other 30 bytes.
*This command is only for the MD-200 Series Displays
Example:
A D2? command is sent to query the total package number of the first RGB file.
0x07
0xFF
0x44
0x32
0x3F
0x00
0x44
0x01
0x44
The ACK message contains the package number (255).
0x06
0xFF
0x44
0x32
0x3F
2-4
0xFF
0x00
Serial Communication Control Interface
Display UART Control Commands
ETC (Elapsed Time Counter Query)
This command queries the elapsed time that the unit has been operating. No data will be sent with this
command. The unit will reply to this command with an ACK attention code.
For MPC-2000 series Panel Computers, the DATA field will be set to a 5 byte string, where the first byte to
fifth bytes are all hours.
The maximum indicator for this function is 99999 hours (defined into 5 bytes, numbers 0 to 9 each), equivalent
to 11 years. If this number is reached, the ETC will stop counting, and the ETC command will always reply with
maximum number of hours (99999).
For MD-200 series Displays, the DATA field will be set to a 4 byte string, where the first byte is Year, the
second and third are Hour and the forth is Minute.
Examples:
The following ETC command queries the elapsed time.
0x07
0xFF
0x45
0x54
0x43
0x00
0x1D
For MPC-2000 Series Panel Computers
ACK 99999 hours
0x06
0xFF
0x45
0x54
0x43
0x05
0x19
0x39
0x39
0x39
0x39
0x39
0xE2
Minute
IDCHK
For MD-200 Series Displays
ACK Year, Hour, Minute
0x06
0xFF
0x45
0x54
0x43
0x04
0x1A
Year
Hour(H)
Hour(L)
GMB (Glass Display Control - Minimum
Brightness)
This command sets the minimum value that you can set for the brightness of the touch keypad LED. Make sure
that you specify a minimum value that ensures that the LED indicators are still visible if the brightness is
reduced to this value. The value ranges from 0x00 to 0x31 (0% - 100%).
LEN = one date byte.
Example:
The following command sets the minimum brightness to 30%.
0x07
0xFF
0x47
0x4D
0x42
0x01
0x22
0x10
0xEF
POT (Potentiometer Control)
By default, the BR+ and BR- keys are set to Enable. You can send this command to disable or enable the BR+
and BR- keys. If the data and data checksum are incorrect, the reply data field is the current control status.
LEN = one data byte.
0x00
Brightness +/Brightness - Key Disable
0xFF
Brightness +/Brightness - Key Enable
Examples:
This command disables the BR+ and BR- keys.
0x07
0xFF
0x50
0x4F
0x54
0x01
0x05
0x00
0xFF
0x4F
0x54
0x01
0x06
0x00
0xFF
The following shows the ACK message.
0x06
0xFF
0x50
2-5
Serial Communication Control Interface
Display UART Control Commands
SNB (Serial Number Query)
This command queries the unit serial number.
Example:
Query the unit serial number
0x07
0xFF
0x53
0x4E
0x42
0x00
0x16
SWI (Scalar Firmware Version Query)
This command queries the scalar firmware version.
Example:
The following command queries the scalar firmware version.
0x07
0xFF
0x53
0x57
0x49
0x00
0x06
SWK (Touch Keypad Firmware Version Query)
This command queries the touch keypad firmware version.
Example:
The following command queries the touch keypad firmware version.
0x07
0xFF
0x53
0x57
0x4B
0x00
0x04
0x50
0x00
0xFC
0x4E
0x00
0x1D
TYP (Model Name Query)
This command queries model name.
Example:
Query model name
0x07
0xFF
0x54
0x59
MAN (Manufacturer ID)
This command queries Manufacturer ID
Examples:
Query model name
0x07
0xFF
0x4D
0x41
It replies the text string “MOXA” at DATA fields.
0x06
0xFF
0x4D
0x41
0x4E
0x04
2-6
0x1A
0x4D
0x4F
0x58
0x41
0xCA
Serial Communication Control Interface
Display UART Control Commands
ADF (AC Input Power Detection Function)
The default value of this function is OFF. If the unit supports an AC power input, you can turn on this function
to detect the AC input power when the unit has connected to the AC power.
LEN = one data byte.
0x00
AC input power detection function is off.
0xFF
AC input power detection function is on.
Examples:
The following command sets the AC input power detection function to OFF.
0x07
0xFF
0x41
0x44
0x46
0x01
0x2D
0x00
0xFF
0x44
0x46
0x01
0x2E
0x00
0xFF
The following is the ACK message.
0x06
0xFF
0x41
AD? (Query AC Input Power Detection Function
Status)
If the MD or MPC product supports an AC power input, you can use this command to query the status of the AC
input power detection function.
0x00
AC input power detection function is off.
0xFF
AC input power detection function is on.
Examples:
The following is an AD? command that queries the status of the AC input power detection function.
0x07
0xFF
0x41
0x44
0x3F
0x00
0x35
0x01
0x35
The following is the ACK message with the status information.
0x06
0xFF
0x41
0x44
0x3F
0x00
0xFF
DDF (DC Input Power Detection Function)
Use the DDF command to enable DC input power detection when the unit supports and is connected to a DC
power source. The default setting is off.
LEN = one data byte.
0x00
DC input power detection function is off.
0xFF
DC input power detection function is on.
Examples:
The following command sets the DC input power detection function to off.
0x07
0xFF
0x44
0x44
0x46
0x01
0x2A
0x00
0xFF
0x44
0x46
0x01
0x2B
0x00
0xFF
The following is the ACK message.
0x06
0xFF
0x44
2-7
Serial Communication Control Interface
Display UART Control Commands
DD? (Query DC Input Power Detect Function
Status)
Use this command to query the status of the DC input power detection function.
0x00
DC input power detection function is off.
0xFF
DC input power detection function is on.
Examples:
The following is a DD? command that queries the status of the DC input power detection function.
0x07
0xFF
0x44
0x44
0x3F
0x00
0x32
0x01
0x32
The following is the ACK message with the status information.
0x06
0xFF
0x44
0x44
0x3F
0x00
0xFF
BLI (Brightness Control)
Use this command to set the panel brightness value. The value ranges from 0x00 to 0xFF. The default value is
160. LEN = one data byte.
Examples:
The following command sets the panel brightness to 255 (0xFF).
0x07
0xFF
0x42
0x4C
0x49
0x01
0x21
0xFF
0x00
0x4C
0x49
0x01
0x22
0xFF
0x00
0x00
0x22
0xFF
0x00
The following shows the ACK message.
0x06
0xFF
0x42
The following command queries the current brightness value.
0x07
0xFF
0x42
0x4C
0x49
The following ACK message includes the current brightness value.
0x06
0xFF
0x42
0x4C
0x49
0x01
0x22
DUF (Disable UART Command Function)
Use this command to disable UART command controls. LEN = one data byte.
DATA
IDCHK
Function description
0x00
0xFF
Disable all command control.
0x01
0xFE
Disable BRI control.
0x02
0xFD
Disable BRL control.
0x04
0xFB
Disable BRM control.
0x08
0xF7
Disable BZZ control.
0x10
0xEF
Reserved.
0x20
0xDF
Disable GMB control.
0x40
0xBF
Disable POT control.
Examples:
The following command disables all command controls
0x07
0xFF
0x44
0x55
0x46
0x01
0x19
0x00
0xFF
0x55
0x46
0x01
0x1A
0x00
0xFF
0x55
0x46
0x01
0x0B
0x00
0xFF
The following is the ACK message.
0x06
0xFF
0x44
The following is the NAK message.
0x15
0xFF
0x44
2-8
Serial Communication Control Interface
Display UART Control Commands
EMS (ECDIS Mode Select)
For ECDIS models, you can use this command to switch between DAY, DUSK, and NIGHT modes.
LEN = one data byte.
DATA
IDCHK
DAY
0x00
0xFF
DUSK
0x01
0xFE
NIGHT
0x02
0xFD
0x3F
0xC0
QUERY
ACK = 0x00 (DAY Mode)
ACK = 0x01 (DUSK Mode)
ACK = 0x02 (NIGHT Mode)
ACK = 0x03 (Not at DAY, DUSK and NIGHT Mode)
Examples:
The following command sets the EDCIS mode to DUSK.
0x07
0xFF
0x45
0x4D
0x53
0x01
0x13
0x01
0xFE
0x4D
0x53
0x01
0x14
0x01
0xFE
0x4D
0x53
0x01
0x0B
0x01
0xFE
0x01
0x13
0x3F
0xC0
0x01
0xFE
DATA
IDCHK
The following is the ACK message.
0x06
0xFF
0x45
The following is the NAK message.
0x15
0xFF
0x45
The following command queries the current ECDIS mode.
0x07
0xFF
0x45
0x4D
0x53
The following ACK message shows the mode information: 0x01 (DUSK mode).
0x06
0xFF
0x45
0x4D
0x53
0x01
0x14
CT? (Current Temperature Query)
Use this command to query the current temperature.
DATA
Return current temperature.
*This command is only for MD-200 Series Displays
Examples:
The following shows a CT? command example.
0x07
0xFF
0x43
0x54
0x3F
0x00
0x23
0x54
0x3F
0x01
0x23
The following shows the ACK message.
0x06
0xFF
0x43
The following ACK message indicates that the current temperature is 0 degree Celsius (-64 to + 127).
0x06
0xFF
0x43
0x54
0x3F
0x01
0x23
0x00
0xBF
The following ACK message indicates that the current temperature is -128 degree Celsius (not within the
normal operating temperature range).
0x06
0xFF
0x43
0x54
0x3F
2-9
0x01
0x23
0x80
0x7F
Serial Communication Control Interface
Display UART Control Commands
SS? (System Status Query)
Send this command to Query System Status information (INFO button item)
MD-200 Series
DATA
Return Current Status
Bit0
1: AC Input Power is N/A, 0: AC Input Power is Pass
Bit1
1: DC Input Power is N/A, 0: DC Input Power is Pass
Bit2-7
Reserved
MPC-2000 Series
DATA
Return Current Status
Bit0
1: AC Input Power is Error, 0: AC Input Power is Pass
Bit1
1: MB_3V_5V Power is Error, 0: MB_3V_5V Power is Pass
Bit2
1: CPU is Error, 0: CPU is Pass
Bit3
1: Memory is Error, 0: Memory is Pass
Bit4
1: Chipset is Error, 0: Chipset is Pass
Bit5
1: VGA is Error, 0: VGA is Pass
Bit6
1: DC Input Power is Error, 0: DC Input Power is Pass
Bit7
Reserved
Examples:
The following shows an SS? command example.
0x07
0xFF
0x53
0x53
0x3F
0x00
0x14
0x01
0x14
The following ACK message includes the system status.
0x06
0xFF
0x53
0x53
0x3F
DATA
IDCHK
MCC (OSD Control Command)
Use this command to enable remote access to the OSD menu settings on the unit. The command control
information is stored in the DATA field.
NOTE
Support for MCC commands depends on the firmware version. Not all MCC command controls described in this
section are supported on your unit.
If the checksum is valid, the unit will reply to this command with an ACK message, where the data field contains
the original MCC command followed by acknowledge from the controller. If the checksum is invalid and the
message was not broadcasted, the unit will reply to this command with a NAK message, where the data field
contains the original command or the status of some functions.
NOTE
The MCC command is not supported on MOXA Panel Computer units, as these do not have a OSD menu.
We assume that you already know how to send, receive, and interpret the commands after having studied the
examples before to the “MCC” command table below. The list below is a compressed version of the HEX values
you need to send and will apply to all units (ADDR set as “FF”). For readability, the prefix “0x” has been
removed from the table and is shown as a complete HEX string with values from 00 to FF (2 by 2 letters). Every
command will contain the “MCC” (0x4D, 0x43, 0x43) ASCII letters as a default indicator.
The functional byte positions in the table below are indicated in red. The values (xx,yy) should always be sent
in HEX format (not decimal format). For example, if you would like to enter the number 64 (in decimal format),
you should enter the HEX equivalent, which is 0x40. The single byte that represents the MCC Command ID is
shown in green. The checksum is shown in blue. The other byte positions in black are defined as in the
“Message Format” shown at the beginning of this document.
NOTE
Due to firmware revisions, some commands listed below will not be supported by earlier units.
2-10
Serial Communication Control Interface
MCC Command
Brightness Control
Display UART Control Commands
Syntax and Functionality
Details and Values
Syntax: 07 FF 4D 43 43 03 23 81 xx yy zz
Where xx = “0” to “F”
Function Examples:
Where yy = “0” to “F”
Example “255”: 07 FF 4D 43 43 03 23 81 46 46 F2
Where zz = Calculated Checksum
Query “?”: 07 FF 4D 43 43 02 24 81 3F 3F
Max Range: “0” “0” to “F” “F”
Reset “R”: 07 FF 4D 43 43 02 24 81 52 2C
Default: “A” “0” (160)
Reset “r”: 07 FF 4D 43 43 02 24 81 72 0C
Increase “+”: 07 FF 4D 43 43 02 24 81 2B 53
Decrease “-”: 07 FF 4D 43 43 02 24 81 2D 51
Contrast Control
Syntax: 07 FF 4D 43 43 04 22 82 ww xx yy zz
Where ww = “a” to “A”
Function Examples:
Where xx = “0” to “6”
Example “A00”: 07 FF 4D 43 43 04 22 82 41 30 30 DC Where yy = “0” to “F”
Example “a00”: 07 FF 4D 43 43 04 22 82 61 30 30 BC Where zz = Calculated Checksum
Query “?”: 07 FF 4D 43 43 02 24 82 3F 3E
Max Range: “0” “0” to “6” “4”
Reset “R”: 07 FF 4D 43 43 02 24 82 52 2B
Default: “0” “0”
Reset “r”: 07 FF 4D 43 43 02 24 82 72 0B
Increase “+”: 07 FF 4D 43 43 02 24 82 2B 52
Decrease “-”: 07 FF 4D 43 43 02 24 82 2D 50
Manual Clock Control
Syntax: 07 FF 4D 43 43 02 24 85 xx zz
For VGA Mode only
Function Examples:
Increase “+”: 07 FF 4D 43 43 02 24 85 2B 4F
Decrease “-”: 07 FF 4D 43 43 02 24 85 2D 4D
Image Horizontal Position
Syntax: 07 FF 4D 43 43 02 24 86 xx zz
For VGA Mode only
Function Examples:
Increase “+”: 07 FF 4D 43 43 02 24 86 2B 4E
Decrease “-”: 07 FF 4D 43 43 02 24 86 2D 4C
Image Vertical Position
Syntax: 07 FF 4D 43 43 02 24 87 xx zz
For VGA Mode only
Function Examples:
Increase “+”: 07 FF 4D 43 43 02 24 87 2B 4D
Decrease “-”: 07 FF 4D 43 43 02 24 87 2D 4B
Auto Source
Syntax: 07 FF 4D 43 43 02 24 88 xx zz
Where xx = “0” to “1”
Function Examples:
Where zz = Calculated Checksum
Example “1”: 07 FF 4D 43 43 02 24 88 31 46
Available function:
Query “?”: 07 FF 4D 43 43 02 24 88 3F 38
“0” = Disble
Reset “R”: 07 FF 4D 43 43 02 24 88 52 25
“1” = Enable
Reset “r”: 07 FF 4D 43 43 02 24 88 72 05
OSD Lock Mode
Auto Adjustment
Syntax: 07 FF 4D 43 43 02 24 8D xx zz
Where xx = “0” to “1”
Function Examples:
Where zz = Calculated Checksum
Example “1”: 07 FF 4D 43 43 02 24 8D 31 41
Available function:
Query “?”: 07 FF 4D 43 43 02 24 8D 3F 33
“0” = Normal (default)
Reset “R”: 07 FF 4D 43 43 02 24 8D 52 20
“1” = Menu Protection
Reset “r”: 07 FF 4D 43 43 02 24 8D 72 00
“S” = Set password (default is
Set “999”: 07 FF 4D 43 43 05 21 8D 53 39 39 39 74
“321”)
Syntax: 07 FF 4D 43 43 02 24 8F xx zz
For VGA Mode only
Function Examples:
Where xx = “0” to “1”
Example “1”: 07 FF 4D 43 43 02 24 8F 31 3F
Where zz = Calculated Checksum
Query “?”: 07 FF 4D 43 43 02 24 8F 3F 31
Available function:
“0” = Off (default)
“1” = On (do auto adjustment)
Note: Auto adjustment will be
executed when the previous auto
adjusting operation is complete.
2-11
Serial Communication Control Interface
MCC Command
OSD Horizontal Position
Display UART Control Commands
Syntax and Functionality
Details and Values
Syntax: 07 FF 4D 43 43 03 23 90 xx yy zz
Where xx = “0” to “6”
Function Examples:
Where yy = “0” to “F”
Example “50”: 07 FF 4D 43 43 03 23 90 35 30 0A
Where zz = Calculated Checksum
Query “?”: 07 FF 4D 43 43 02 24 90 3F 30
Max Range: “0” “0” to “6” “4”
Reset “R”: 07 FF 4D 43 43 02 24 90 52 1D
Default: “6” “4” (100)
Reset “r”: 07 FF 4D 43 43 02 24 90 72 FD
Note: If Value > 100 then
Increase “+”: 07 FF 4D 43 43 02 24 90 2B 44
Value=100.
Decrease “-”: 07 FF 4D 43 43 02 24 90 2D 42
OSD Vertical Position
Syntax: 07 FF 4D 43 43 03 23 91 xx yy zz
Where xx = “0” to “6”
Function Examples:
Where yy = “0” to “F”
Example “50”: 07 FF 4D 43 43 03 23 91 35 30 09
Where zz = Calculated Checksum
Query “?”: 07 FF 4D 43 43 02 24 91 3F 2F
Max Range: “0” “0” to “6” “4”
Reset “R”: 07 FF 4D 43 43 02 24 91 52 1C
Default: “6” “4” (100)
Reset “r”: 07 FF 4D 43 43 02 24 91 72 FC
Note: If Value > 100 then
Increase “+”: 07 FF 4D 43 43 02 24 91 2B 43
Value=100.
Decrease “-”: 07 FF 4D 43 43 02 24 91 2D 41
Select OSD Language
Main Input Select
Syntax: 07 FF 4D 43 43 02 24 95 xx zz
Where xx = “0”
Function Examples:
Where zz = Calculated Checksum
Example “0”: 07 FF 4D 43 43 02 24 95 30 3A
Available function:
Query “?”: 07 FF 4D 43 43 02 24 95 3F 2B
“0” = English (default)
Reset “R”: 07 FF 4D 43 43 02 24 95 52 18
Note:
Reset “r”: 07 FF 4D 43 43 02 24 95 72 F8
Currently only supports English
Syntax: 07 FF 4D 43 43 02 24 98 xx zz
Where xx = “0” to “1”
Function Examples:
Where zz = Calculated Checksum
Example “0”: 07 FF 4D 43 43 02 24 98 30 37
Available function:
Query “?”: 07 FF 4D 43 43 02 24 98 3F 28
“0” = DVI (default)
Reset “R”: 07 FF 4D 43 43 02 24 98 52 15
“1” = VGA
Reset “r”: 07 FF 4D 43 43 02 24 98 72 F5
Communication Mode
Syntax: 07 FF 4D 43 43 02 24 99 xx zz
Where xx = “0” to “5”
Function Examples:
Where zz = Calculated Checksum
Example “0”: 07 FF 4D 43 43 02 24 99 30 36
Available function:
Query “?”: 07 FF 4D 43 43 02 24 99 3F 27
“0” = DB9_RS232
Reset “R”: 07 FF 4D 43 43 02 24 99 52 14
“1” = TB_RS4852W
Reset “r”: 07 FF 4D 43 43 02 24 99 72 F4
“2” = TB_RS422
Note:
DB9=DB9 connector
TB=Terminal block connector
Power Down/Up Display
Syntax: 07 FF 4D 43 43 02 24 9F xx zz
Where xx = “0” to “1”
Function Examples:
Where zz = Calculated Checksum
Example “1”: 07 FF 4D 43 43 02 24 9F 31 2F
Available function:
Query “?”: 07 FF 4D 43 43 02 24 9F 3F 21
“0” = Power Off
Reset “R”: 07 FF 4D 43 43 02 24 9F 52 0E
“1” = Power On (default)
Reset “r”: 07 FF 4D 43 43 02 24 9F 72 EE
Color Temperature Select
Syntax: 07 FF 4D 43 43 02 24 B3 xx zz
Where xx = “0” to “2”
Function Examples:
Where zz = Calculated Checksum
Example “2”: 07 FF 4D 43 43 02 24 B3 32 1A
Available function:
Query “?”: 07 FF 4D 43 43 02 24 B3 3F 0D
“0” = 9300K
Reset “R”: 07 FF 4D 43 43 02 24 B3 52 FA
“1” = 7500K
Reset “r”: 07 FF 4D 43 43 02 24 B3 72 DA
“2” = 6500K (default)
2-12
Serial Communication Control Interface
MCC Command
Display UART Control Commands
Syntax and Functionality
Details and Values
Red Level for Selected Color Syntax: 07 FF 4D 43 43 03 23 B4 xx yy zz
Where xx = “0” to “6”
Function Examples:
Where yy = “0” to “F”
Example “50”: 07 FF 4D 43 43 03 23 B4 35 30 E6
Where zz = Calculated Checksum
Query “?”: 07 FF 4D 43 43 02 24 B4 3F 0C
Max Range: “0” “0” to “6” “4”
Reset “R”: 07 FF 4D 43 43 02 24 B4 52 F9
Default: “6” “4” (100)
Reset “r”: 07 FF 4D 43 43 02 24 B4 72 D9
Increase “+”: 07 FF 4D 43 43 02 24 B4 2B 20
Decrease “-”: 07 FF 4D 43 43 02 24 B4 2D 1E
Green Level for Selected
Syntax: 07 FF 4D 43 43 03 23 B5 xx yy zz
Where xx = “0” to “6”
Color
Function Examples:
Where yy = “0” to “F”
Example “50”: 07 FF 4D 43 43 03 23 B5 35 30 E5
Where zz = Calculated Checksum
Query “?”: 07 FF 4D 43 43 02 24 B5 3F 0B
Max Range: “0” “0” to “6” “4”
Reset “R”: 07 FF 4D 43 43 02 24 B5 52 F8
Default: “6” “4” (100)
Reset “r”: 07 FF 4D 43 43 02 24 B5 72 D8
Increase “+”: 07 FF 4D 43 43 02 24 B5 2B 1F
Decrease “-”: 07 FF 4D 43 43 02 24 B5 2D 1D
Blue Level for Selected
Syntax: 07 FF 4D 43 43 03 23 B6 xx yy zz
Where xx = “0” to “6”
Color
Function Examples:
Where yy = “0” to “F”
Example “50”: 07 FF 4D 43 43 03 23 B6 35 30 E4
Where zz = Calculated Checksum
Query “?”: 07 FF 4D 43 43 02 24 B6 3F 0A
Max Range: “0” “0” to “6” “4”
Reset “R”: 07 FF 4D 43 43 02 24 B6 52 F7
Default: “6” “4” (100)
Reset “r”: 07 FF 4D 43 43 02 24 B6 72 D7
Increase “+”: 07 FF 4D 43 43 02 24 B6 2B 1E
Decrease “-”: 07 FF 4D 43 43 02 24 B6 2D 1C
Graphic Horizontal
Send only:
07 FF 4D 43 43 01 25 B7 48
Available response status:
“xxx” = where xxx is a 3-digit HEX
Resolution Query
number indicating resolution.
Example:
“0780” = 1920 in decimal
Graphic Vertical Resolution Send only: 07 FF 4D 43 43 01 25 B8 47
Available response status:
Query
“xxx” = where xxx is a 3-digit HEX
number indicating resolution.
Example:
“0480” = 1200 in decimal
Graphic Horizontal Sync.
Send only: 07 FF 4D 43 43 01 25 B9 46
Available response status:
“xxx” = where xxx is a 3-digit HEX
Frequency
number indicating frequency in
units of 100Hz.
Example:
“2A3” = 675 or 67.5 kHz decimal
Graphic Vertical Sync.
Send only: 07 FF 4D 43 43 01 25 BA 45
Available response status:
“xxx” = where xxx is a 3-digit HEX
Frequency
number indicating frequency in
units of 0.1Hz + 1 character
indicating field mode as:
“i” = Interlaced
“p” = Progressive
Example:
“258p” = 600 (60 Hz), progressive
fields
2-13
Serial Communication Control Interface
MCC Command
Set Address RS/Serial
Display UART Control Commands
Syntax and Functionality
Details and Values
Syntax: 07 FF 4D 43 43 02 24 BB xx zz
Where xx = “0” to “F”
Function Example:
Where zz = Calculated Checksum
Example “9”: 07 FF 4D 43 43 02 24 BB 39 0B
Default and reset value are “0”
Query “?”: 07 FF 4D 43 43 02 24 BB 3F 05
Reset “R”: 07 FF 4D 43 43 02 24 BB 52 F2
Reset “r”: 07 FF 4D 43 43 02 24 BB 72 D2
Test Pattern
Syntax: 07 FF 4D 43 43 02 24 CD xx zz
Where xx = “0” to “1”
Function Examples:
Where zz = Calculated Checksum
Example “1”: 07 FF 4D 43 43 02 24 CD 31 01
Available function:
“0” = Normal Display
“1” = Display burn-in Test Pattern
Reset Factory Default
Send only: 07 FF 4D 43 43 01 25 CE 31
Available response status:
“0” = fail
“1” = successful
Menu Button
Send only: 07 FF 4D 43 43 01 25 F7 08
Physical Button press equivalent
Down Button
Send only: 07 FF 4D 43 43 01 25 FA 05
Physical Button press equivalent
Up Button
Send only: 07 FF 4D 43 43 01 25 FB 04
Physical Button press equivalent
ECDIS Button
Send only: 07 FF 4D 43 43 01 25 FC 03
Physical Button press equivalent
INFO Button
Send only: 07 FF 4D 43 43 01 25 FD 02
Physical Button press equivalent
2-14
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