Mc Protocol Command; Command List - Mitsubishi Electric FX5 User Manual

The following settings are unnecessary (fixed values).
Items
Start bit
Header
Terminator
Control mode
Control procedure
Latch Setting
Set the necessity of the corresponding SD (special register) latch.
Descriptions
Station number settings
3.7

MC Protocol Command

Command list

The following commands can be executed in MC protocol.
3C/4C frame
Name Comm Sub-
ands comm
and
Batch reading 0401H 0001H
(Device Read)
0000H
0081H
0080H
0083H
0082H
Batch writing 1401H 0001H
(Device Write)
0000H
0081H
0080H
0083H
0082H
Random reading 0403H 0000H
(Device Read
Random)
0080H
0082H
Descriptions
1 bit
Not added
Not added
Use
CR and LF no addition
Setting range
Latch/Do Not Latch
Contents of processing
Reads data in 1-point units from bit devices or word devices.
• Reads data in 16-point units from bit devices.
• Reads data in 1-word unit from word devices.
• Reads data in 1-bit unit from buffer memory of intelligent unit.
• Reads data in 1-bit unit from a device indirectly specified in the index register.
• Reads data in 1-word unit from buffer memory of intelligent unit.
• Reads data in 1-word unit from a device indirectly specified in the index register.
• Reads data in 1-bit unit from buffer memory of intelligent unit.
• Reads data in 1-bit unit from a device indirectly specified in the index register.
• Reads data in 1-word unit from buffer memory of intelligent unit.
• Reads data in 1-word unit from a device indirectly specified in the index register.
Writes data in 1-bit units to bit devices.
• Writes data in 16-bit units to bit devices.
• Writes data in 1-word units to bit devices.
• Writes data in 1-bit unit to MC protocol compatible devices or buffer memory of
intelligent unit.
• Indirectly specifies bit devices, word devices and buffer memory in the index
register.
Writes data in 1-word (16-bits) unit to MC protocol compatible devices or buffer
memory of intelligent unit.
Writes data in 1-bit unit to MC protocol compatible devices or buffer memory of
intelligent unit.
Writes data in 1-word (16-bits) unit to MC protocol compatible devices or buffer
memory of intelligent unit.
Reads a word device in 1-word unit or 2-word unit by randomly specifying the device
number.
Reads data in 1-word (16-bit) unit from MC protocol compatible devices or buffer
memory of intelligent unit.
Reads data in 1-word (16-bit) unit from MC protocol compatible devices or buffer
memory of intelligent unit.
Compatible devices
SM8740, SM8750, SM8460, SM8770
Number of points
processed in one-
time update
ASCII: 3584 points
BIN: 3584 points
960 words (15360 points)
ASCII: 3584 points
BIN: 3584 points
960 words (15360 points)
ASCII: 3584 points
BIN: 3584 points
960 words (15360 points)
ASCII: 3584 points
BIN: 3584 points
960 words (15360 points)
ASCII: 3584 points
BIN: 3584 points
960 words (15360 points)
ASCII: 3584 points
BIN: 3584 points
960 words (15360 points)
192 points
192 points
192 points
3 MC PROTOCOL
3.7 MC Protocol Command
3
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