This document has only the specific information about the device connection settings and its address syntax.
Refer to the User Guide for more information on the Device Module.
On this page:
Summary
Communication Driver Information | |
|---|---|
Driver name | MelsecA |
Assembly Name | T.ProtocolDriver.MelsecA |
Assembly Version | 1.0 |
Available for Linux | False |
PLC types supported | Mitsubishi MelsecA Series PLCs and compatibles |
Manufacturer | Mitsubishi |
Interface | Serial and MultiSerial |
PC requirements | Ethernet port |
Channels Configuration
Protocol Options
- BlockSize: Defines the maximum of addresses in a read block. Default is 255.
- Format: Available options: Format1, Format2, Format3 and Format4.
Settings
- Serial and MultiSerial channels:
Default configuration:
DataBits: 8.
StopBits: 1 if parity is used, 2 if no parity.
Set the other fields according to your Serial or MultiSerial port configuration.
Nodes Configuration
Station Configuration
SlaveId: Set this field with the address of the slave device in the network. They can be addressed from 1 to 247 for serial nodes. The address 0 is used for the broadcast.
- Serial channels:
Station syntax: <SlaveId>
Ex: 1
- MultiSerial channels:
Station syntax: <ComPort>;<SlaveId>
Where : <ComPort> = COM Port of the slave device in the network (default is com1).
Ex: com1;1
Points Configuration
The syntax for the MelsecA communication points is: <Operand> <Address>
Where :
- <Operand>: Represents the Device Memory :
- <Address>: Address number
Operand | Read | Write | Data Type | Address size |
|---|---|---|---|---|
D - Data register | Yes | Yes | Short | 2 bytes |
W - Link register | Yes | Yes | Short | 2 bytes |
R - File register | Yes | Yes | Short | 2 bytes |
D9 - Special Register | Yes | Yes | Short | 2 bytes |
TN – Timer Current value | Yes | Yes | Short | 2 bytes |
TS – Timer Contact | Yes | Yes | Bit | 1 bit |
TC – Timer Coil | Yes | Yes | Bit | 1 bit |
CN – Counter Current value | Yes | Yes | Short | 2 bytes |
CS – Counter Contact | Yes | Yes | Bit | 1 bit |
CC – Counter Coil | Yes | Yes | Bit | 1 bit |
X - Input relay | Yes | Yes | Bit | 1 bit |
Y - Output relay | Yes | Yes | Bit | 1 bit |
M - Internal relay | Yes | Yes | Bit | 1 bit |
L - Latch relay | Yes | Yes | Bit | 1 bit |
B - Link relay | Yes | Yes | Bit | 1 bit |
F - Annunciator | Yes | Yes | Bit | 1 bit |
M9 - Special Relay | Yes | Yes | Bit | 1 bit |
Troubleshoot
The status of the driver execution can be observed through the platform built-in diagnostic tools. Refer to the Using Diagnostic Tools topic in Devices Communication page.
Driver Revision History
MelsecA Revision History | |
|---|---|
Version | Notes |
1.0 | Initial release on new documentation standards. |