15.COMMUNICATIONSINTERFACE 15.2 Programming communications

This explanation is only for the communications interface (option). Press SHIFT and

simultaneously for 3

(-)

seconds or more to display the “communications” programming screen.

 

 

DISP 2 sec. or more

Operation screen

 

A

Ref. 7

 

 

( SHIFT +

)

 

 

(-)

[Checking communications type]

3 sec. or more

Ref. 1

 

 

 

 

 

 

 

 

 



 

 

 

ENTRY

SET

A

 

 

 

 

END

 

YES

RS232C?

 

 

 

 

 

 

 

 

NO

0

to

9

 

 

 

CLEAR

LIST

Ref. 2

[Programming address]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ENTRY

Address

A

 

 

 

 

Temporarily stored

 

DISP 2 sec. or more

 

 

 

[Selecting transmission speed]

/

 

%

Ref. 3

 

 

 

 

  

 



 

 

 

Transmission speed

A

 

 

 

 

 

 

 

ENTRY

 

 

2 sec. or

 

 

 

 

DISP

Temporarily stored

 

more

 

 

 

[Selecting characters]

 

/

%

Ref. 4

 

 

 

 

 

 



 

 

 

Characters

A

 

 

ENTRY

 

 

 

 

 

 

DISP

2 sec. or

Temporarily stored

 

 

more

 

 

 

[Selecting checksum]

 

/

 

%

Ref. 5

 

 

 

 

 

 

 



 

 

 

Checksum

A

 

 

ENTRY

 

 

 

 

 

 

 

Temporarily stored

 

 

 

 

 

DISP 2 sec. or more

 

Stored

 

Ref. 6

 

 

 

 

 

-100-

Reference 1 Communications type check

Communications type is displayed. The communications type cannot be changed.

Reference 2 Address programming range

01 to 99: (private) protocol

01 to 31: (MODBUS) protocol (Note) “01” is displayed only when “private”

is changed to “MODBUS”.

Reference 3

Transmission speed selection

range

 

1200, 2400, 4800, 9600,19200 bps

Only 9600 and 19200 bps are available with the MODOBUS protocol.

(Note) “9600” is displayed only when “private” is changed to “MODBUS”.

Reference 4

Character selection

Characters are displayed with codes.

Code

Character

Parity

Stop bit

length

 

 

 

7E1

7 bits

Even

1

7E2

7 bits

Even

2

701

7 bits

Odd

1

702

7 bits

Odd

2

8N1

8 bits

Non

1

8N2

8 bits

Non

2

8E1

8 bits

Even

1

8E2

8 bits

Even

2

801

8 bits

Odd

1

802

8 bits

Odd

2

(Note) “8N1” is displayed only when “private” is changed to “MODBUS”.

Reference 5 Checksum selection range

: Checksum ON : Checksum OFF

(Note) No display appears for the MODBUS protocol.

From “ temporarily stored” to Reference 6 “stored”

Pressing ENTRY for each programming

executes temporary storing. Pressing DISP for 2 seconds or more executes storing and returns to the operation screen.

Reference 7 Returning to operation screen

If the screen returns to the operation

screen before pressing ENTRY , the parameter is returned to the parameter before programming.

Page 104
Image 104
Omega RD200, RD2800 manual Communicationsinterface 15.2 Programming communications