Mitsubishi MELSEC LJ71C24, User Manual

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3 SPECIFICATIONS
3.3 Function List
3.3.1 Basic functions
The following shows the basic functions of the C24.
Function Description Reference
Executes batch read/write in bit/word units.
Executes monitoring of device memory.
Executes batch read/write of multiple blocks.
Executes read/write by extension designation.
Reading/writing from/to the
device memory of the CPU
module
Accesses other stations via network system.
Reading/writing from/to the
buffer memory of the C24
Executes reading/writing from/to the buffer
memory of the C24.
Reading/writing from/to the
buffer memory of intelligent
function modules
Executes reading/writing from/to the buffer
memory of intelligent function modules.
Reading/writing from/to
sequence program files and
parameter files
Executes reading/writing from/to program files
and parameter files stored in the CPU module.
Communication with MC
protocol
Controlling the status of the
CPU module
(such as remote RUN/STOP)
Executes status control of the CPU module.
Executes remote RUN/STOP/PAUSE/latch
clear/reset operations from external devices.
Chapter 8,
MELSEC-Q/L
MELSEC
Communication
Protocol
Reference
Manual
Communication with
predefined protocol
Data transmission/reception
Executes data transmission/reception with the
appropriate protocol for each external device.
The external device side protocol can be easily
selected, or created/edited from the predefined
protocol library of GX Works2. Chapter 9,
Appendixes 5,
GX Works2
Version1
Operating
Manual
(Intelligent
Function Module)
Communication with
nonprocedural protocol Data transmission/reception in
any format
Data communication can be made in any
format appropriate to specifications of external
devices (measuring devices, personal
computers etc.).
Chapter 10
Communication with
bidirectional protocol Data transmission/reception in
any format
Any data transmission/reception can be made
with message formats and transmission control
procedures for the bidirectional protocol.
Chapter 11
Circuit trace
This function traces communication data and
control signal between the C24 and device
controller.
Section 13.1
State monitor
This function monitors the signal,
communication error information, and operation
setting switch of the C24.
The protocol execution status is also monitored
during the predefined protocol communication.
Section 13.2 Debug support function
Protocol execution log storage
function
This function checks the detailed predefined
protocol execution status and results for each
channel.
Section 13.3