Specifications; General Specifications; Performance Specifications - Mitsubishi Melsec-L Series User Manual

3 SPECIFICATIONS

This chapter explains the general specifications, performance specifications, function
list, and I/O signals.

3.1 General Specifications

For the general specifications of C24, refer to "Safety Guidelines", the manual supplied
with the CPU module or head module.
The latest manuals in PDF can be downloaded from the MELFANSweb.

3.2 Performance Specifications

The following shows the C24 performance specifications.
For the transmission specifications when communicating via the modem function, refer
to both Section 3.2. and User's Manual (Application).
(1) Transmission specification
Item
CH1
Interface
CH2
Line ( 1)
MC protocol communication
Predefined protocol
Communication
communication
system
Nonprocedural protocol
communication
Bidirectional protocol
communication
Synchronization method
Transmission speed
Start bits
Data bits
Data format
Parity bits
Stop bits
MC protocol communication
Predefined protocol
Access cycle communication
Nonprocedural protocol
communication,
Bidirectional protocol
communication
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LJ71C24
RS-232-compliance
(D-sub 9 pin female)
RS-422/485-compliance
(2-piece terminal block)
Full-duplex/half-duplex communications
Full-duplex/half-duplex communications
Full-duplex/half-duplex communications
Full-duplex/half-duplex communications
Start-stop synchronization method
50 300 600
14400 19200 28800
• Transmission speed 230400 bps is available for only CH1. (Not available for CH2)
• Total transmission speed of two interfaces is available up to 230400 bps.
• Total transmission speed of two interfaces is available up to 115200 bps when the communication data
monitoring function is used.
Processes one request during the END processing of the CPU module of the station with the C24.
Number of scans that must be processed/number of link scans depends on the contents of the request.
(Refer to the MELSEC-Q/L MELSEC Communication Protocol Reference Manual)
Sends or receives data when requested with the dedicated instruction (CPRTCL).
Sends each time a send request is issued. Can receive at any time.
Model name
LJ71C24-R2
RS-232-compliance
(D-sub 9 pin female)
RS-232-compliance
(D-sub 9 pin female)
Half-duplex communications
1200 2400 4800
38400 57600 115200
1
7/8
1 (vertical parity) or none
1/2
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3 SPECIFICATIONS
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9600
230400 (bps)
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