A&D SW-15KS User Manual

28

 

 

1. Disconnect the AC power cable from the electrical outlet. When the battery is 

installed, make sure that the scale is turned OFF. 

2. Loosen the M4 screws and remove the rear cover of the display. 

Note: Take care not to drop the display. 

3. Connect the cables to the external device through the cable gland to the terminal 

blocks on the interface board.   

4. Attach the connector cables (7 and 10 pins), provided with OP-03, to the 

connectors on the interface board and the connectors on the main board inside the 
display. 

5. Secure the interface board using the two M3 x 8 screws provided with OP-03. 
6. Tighten the cable glands and attach the rear cover to the display and secure it with 

the screws loosened at step 2. 

7. Connect the AC power cable to the electrical outlet. 

8. Set the function settings “

bp5

”, “

btpr

”, “

prt

”. “

5if

” and “

aCk

” as necessary. 

‰

 To use the OP-03 RS-232C, the function setting of “

5if

” must be set to “

0

”. 

 
 

RS-232C interface   

Transmission form 

Asynchronous, bi-directional, half-duplex 

Data format 

Baud rate:  2400, 4800, 9600 bps 

 

  Data bits: 

7 bits + parity 1bit (EVEN / ODD)   

  

 

or 8 bits (non parity) 

  

Start bit: 

1 bit 

  

Stop bit: 

1 bit 

  Code: 

ASCII 

  Terminator: 

C

R

L

F  

(C

R

:0Dh, L

F

:0Ah) 

 

 

 

LSB

0

 

1

 

2

 

3

 

4

 

5

MSB

6

 

 

 

 

 

 

 

 

Relay output 

The maximum rating of the replay output is as follows. 
‰

 Maximum voltage: 

50V DC   

‰

 Maximum current: 

100 mA DC 

‰

 Maximum ON resistance: 

8 Ω 

 
 
 

Stop bit 

1 (-15V~-5V) 

0 (5V~15V) 

Start bit

Data bits

Parity bit