3 SPECIFICATIONS

MELSEC-Q

3 SPECIFICATIONS

The following shows the Q series C24 performance specifications.

See the User's Manual of the QCPU (Q mode) for general specifications.

3.1 Performance Specifications

The following shows the Q series C24 performance specifications. For the transmission specifications when communicating via the modem function, see this section and Chapter 3 of User's Manual (Application).

(1) Transmission specification

3

 

 

 

 

 

 

 

 

 

 

 

Specifications

 

 

 

 

 

 

 

 

 

Item

 

 

QJ71C24N

 

 

 

QJ71C24N-R2

 

 

QJ71C24N-R4

 

 

 

 

 

 

QJ71C24

 

 

 

QJ71C24-R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-232-compliance

 

 

 

RS-232-compliance

 

RS-422/485-compliance

 

 

CH1

 

 

 

 

 

(2-piece plug-in connector socket

 

 

 

(D-sub 9 pin)

 

 

 

(D-sub 9 pin)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

block)

 

Interface

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-422/485-compliance

 

 

 

RS-232-compliance

 

RS-422/485-compliance

 

 

 

 

 

 

 

 

 

 

CH2

 

 

 

 

 

(2-piece plug-in connector socket

 

 

 

(2-piece terminal block)

 

 

 

(D-sub 9 pin)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

block)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Line

 

 

 

 

 

Full-duplex/half-duplex communications

 

 

 

 

 

MC protocols

 

 

 

 

 

 

 

Half-duplex communications

 

 

 

 

 

 

communication

 

 

 

 

 

 

 

 

 

 

 

Communications

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Non procedure protocol

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

system (

1)

 

 

 

 

 

Full-duplex/full-duplex communications

 

 

 

 

communication

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bidirectional protocol

 

 

 

 

 

Full-duplex/full-duplex communications

 

 

 

 

 

 

communication

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Synchronization method

 

 

 

 

 

 

Start-stop synchronization method

 

 

 

 

 

 

 

[QJ71C24N(-R2/R4)]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

 

300

 

600

 

1200

 

2400

 

 

4800

 

9600

 

 

 

 

 

14400

 

19200

 

28800

 

38400

 

57600

 

 

115200

 

230400

(bps)

•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.

Transmission speed

• Total transmission speed of two interfaces is available up to 115200 bps when the communication data

 

 

monitoring function is used.

 

 

 

 

 

 

 

[QJ71C24(-R2)]

 

 

 

 

 

 

 

 

 

 

50

 

300

 

600

1200

2400

4800

9600

 

 

 

14400

 

19200

 

28800

38400

57600

115200

-

(bps)

•Total transmission speed of two interfaces is available up to 115200 bps.

 

Start bits

1

Data format

Data bits

7/8

Parity bits

1 (vertical parity) or none

 

 

Stop bits

1/2

 

 

Processes one request during installed PLC CPU END processing.

 

MC protocol communication

Number of scans that must be processed/number of link scans depends on the contents of the request.

 

 

(See Reference Manual.)

Access cycle

Non procedure protocol

 

 

communication

Sends each time a send request is issued. Can receive at any time.

 

Bidirectional protocol

 

 

 

communication

 

 

Parity check

All protocols and when ODD/EVEN is selected by parameter.

Error detection

Sum check code

MC protocol/bidirectional protocol selected by parameter.

 

Non procedure protocol selected by user frame.

 

 

(Continued on next page)

3 - 1

3 - 1