Serial interface control, Message string breakdown – Cino A770 HC User Manual

Page 14

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13

Serial Interface Control

Command

Parameter Selection

Option Code

STX/ETX Control

Disable STX/ETX transmission

Enable STX/ETX transmission

0
1

Record Suffix

None
CR

LF
CRLF

TAB
SPACE
User define character

0
1
2
3

4
5
6

Preamble

None

1-15 characters

FIN

[00-7F], [FIN]

Postamble

None

1-15 characters

FIN

[00-7F], [FIN]

Handshaking Protocol

None

RTS/CTS
ACK/ NAK
Xon/Xoff

0
1
2
3

Intermessage Delay

None

1-99 (x5) msec.

FIN

(2 digits)

Intercharacter Delay

None

1-99 (x5) msec.

FIN

(2 digits)

Interfunction Delay

None

1-99 (x5) msec.

FIN

(2 digits)

Serial Response Time-out

None
200 msec.
500 msec.

800 msec.
1 sec.
2 sec.

3 sec.
4 sec.
5 sec.
8 sec.
10 sec.
15 sec.

0
1
2
3
4
5

6
7
8
9

A
B

NAK Retry Count

3 times

0~255 times

FIN

(3 digits)


Message String Breakdown

Keyboard interface output (PS/2, DOS/V, USB HID)

Preamble

Data Length

Prefix ID

Scanned Data

Suffix ID

Postamble

Record Suffix

1-15 char.

2-4 digits

1 or 3 char.

Variable

1 or 3 char.

1-15 char.

1 char.

Serial interface output (RS-232, USB COM Port Emulation)

STX Preamble

Data

Length Prefix ID Scanned Data Suffix ID Postamble

ETX

Record Suffix

1 char.

1-15 char.

2-4 digits

1 or 3 char.

Variable

1 or 3 char. 1-15 char.

1 char.

1 char.

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