Mitsubishi Electric MELSEC-F FX3U-J1939 User Manual page 24

FX -J1939 User's Manual
3U
3. Support a Command Interface (CIF)
The command interface is a tool to execute asynchronous network services, module configuration and
diagnosis features. The following table shows the supported functions.
Sending Layer 2 Message
Sending PGN
*1
Request PGN
Set up PLC RUN>STOP messages
Reset command interface
Display current Parameter
*1. FX -J1939 firmware Ver. 1.10 or later is applicable.
3U
4. To read and write to the buffer memory
To read and write the buffer memory in the FX
of the buffer memory. However, only FX
buffer memory.
For further information on applied instructions, bit specification of word devices and direct specification of
buffer memory, refer to the following manual.
Note
Buffer memory that is assigned in 32 bits must use 32-bit instructions to read/write.
32-bit data cannot be correctly read/written from/to buffer memory if 16-bit read/write instructions are used.
14
Command
Function Mode Selection
Layer 2
J1939
Communication
Communication
(11 bit ID)
Mode
Mode
-
-
-
-
-J1939, use the FROM/TO instructions or direct specification
3U
/FX /FX5U/FX5UC PLC supports direct specification of the
3U 3UC
Layer 2
Reference
Communication
(29 bit ID)
Mode
Section 9.2
- Section 9.3
- Section 9.4
- Section 9.5
Section 9.6
Section 9.7
Refer to PROGRAMMING MANUAL
1 Introduction
1.1 Outline