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Inter-message delay
MB/NX/RM/00/E/970131
53
Inter-message delay
The maximum rate at which data can be transmitted by the MicroBar NX is affected by the
response of the system. An inter-message delay gives the host system time to process
each successive message it receives—useful for example when a control code (such as
Enter) requiring a response from the host is sent after each record.
Each time the MicroBar NX receives a message, an inter-message delay cycle is activated.
If the MicroBar NX receives a new message before the end of the inter-message delay, it
stores the previous message in a "rolling buffer" memory and the cycle starts again. When
no more messages are received before the end of an inter-message delay cycle, all the
messages stored in the buffer are transmitted to the host system. The messages are
transmitted First-In-First-Out and each message is separated by the inter-message delay.
This feature can be used with all host interfaces.
Predefined delay values
No Delay (*)
100 ms
500 ms
1000 ms (1 sec)
2000 ms (2 sec)
5000 ms (5 sec)
Содержание MicroBar NX
Страница 1: ...MB NX RM 00 E 970131 M i c r o B a r N X Reference Manual Preliminary Edition January 1997...
Страница 10: ...Contents x Contents MB NX RM 00 E 970131...
Страница 15: ...ASCII character codes MB NX RM 00 E 970131 5 26h 27h 28h 29h 2Ah 2Bh 2Ch 2Dh 2Eh 2Fh End Selection...
Страница 17: ...ASCII character codes MB NX RM 00 E 970131 7 3Ah 3Bh 3Ch 3Dh 3Eh 3Fh 40h A 41h B 42h C 43h End Selection...
Страница 20: ...ASCII character codes 10 MB NX RM 00 E 970131 X 58h Y 59h Z 5Ah 5Bh 5Ch 5Dh 5Eh _ 5Fh 60h a 61h End Selection...
Страница 124: ...RS 232 input devices 114 MB NX RM 00 E 970131 Data bits Seven Eight Parity Even Odd Mark Space None Stop bits One Two...
Страница 138: ...RS 232 Output to host system 128 MB NX RM 00 E 970131 Baud Rate 9600 75 150 300 600 1200 2400 4800 19200 38400...
Страница 160: ...Symbologies Ames Code 150 MB NX RM 00 E 970131 Symbologies Ames Code Activation Not Active Active...
Страница 177: ...Symbologies EAN 128 MB NX RM 00 E 970131 167 Symbologies EAN 128 Symbologies Code 128 EAN 128...
Страница 181: ...Symbologies Matrix 2 of 5 MB NX RM 00 E 970131 171 Symbologies Matrix 2 of 5 Activation Not Active Active...
Страница 187: ...Symbologies Telepen MB NX RM 00 E 970131 177 Symbologies Telepen Activation Not Active Active Format ASCII Numeric...
Страница 201: ...MB NX RM 00 E 970131 Number codes 1 2 3 4 5 6 7 8 9 0 End Selection...