CAS PD-II - 3. INTERFACE WITH EXTERNAL DEVICE; 3.1. INTERFACE with RS-232 C; 3.1.1. TYPE-2 INTERFACE

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3. INTERFACE WITH EXTERNAL DEVICE
3.1. INTERFACE with RS-232C
 7-BIT ASCII code
 Even parity
 1 stop bit
 9600 baud rate
3.1.1. TYPE-2 INTERFACE
: Discontinual RS-232C Interface
 SHARP ER-AXXX, ER-A450T, New SANYO ECRs using RS-232,TOLEDO 3213 etc.
1) PROTOCOL
ECR SCALE(PD-II)
Command ------------
<W>
------------ Response
<STX> 0XXXX <CR> : lb weighing mode
or <STX> XXXXX <CR> : kg weighing mode
Error message : <STX>?<status byte><CR>
== STATUS BYTE ==
PD-II
(9-PIN SUB CONNECTOR)
ECR(삼성), PC
D-SUB Connector
1
2
3
4
5
6
7
8
9
`
1
2
3
4
5
6
7
8
9
TxD
RxD