Olympus AU2700 User Manual download pdf (Page 5)

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(2.1) Format of Transmission

Item Contents

Transmission

line

RS-232C

Synchronization Synchronization

Data transmission

mode

Half-Duplex

Bit/sec 4800bps, 9600bps

Configuration

start bit 1 bit

data bit 7 or 8 bit

parity bit none, odd or even

stop bit 1 or 2 bit

total 9-12 bit

These can be selected by [PARAMETER] [ONLINE] [PROTOCOL]

menu.

Form of Class A Transmission are conducted from the sender to

Transmission the receiver in a certain time of interval.

Class B Transmission are conducted by confirming with ACK

(receipt acknowledged)or NAK (not acknowledged)

between the sender and the receiver.

Use channel 1 channel

Retry Class A: None

Class B: 0-3 This can be selected by [PARAMETER] [ONLINE]

[PROTOCOL]menu.

(2.2) Transmission code

Item Contents Limit of value

Data code 7 bit code ASCII CODE 20H-7EH

These can be

selected by

[PARAMETER]

[ONLINE]

[PROTOCOL]

menu.

8 bit code

1 byte code 20H-7EH

A1H-DFH

Control code Start code/terminate code 01H-1FH

ACK 06H

NAK 15H

BCC 00H-FFH

1 2 3 4 5 6 7 8 9 10 ... 64 65

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Olympus AU2700 User Manual Page 5

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