Contents

I)

V24/RS232/485 Interface – Basics

1 -

1

 

1

Introduction ................................................................................................

1

-

1

 

2

Hardware ...................................................................................................

1

-

2

 

3

Protocol settings ........................................................................................

1

-

3

 

 

3.1

Command telegram.............................................................................

1

-

3

 

 

3.2

Response telegram .............................................................................

1

-

4

 

 

3.3

Command telegram for RS485 BUS operating ...................................

1

-

5

 

 

3.4

Response telegram for RS485 BUS operating....................................

1

-

6

 

4

Specifications of data settings ...................................................................

1

-

7

 

 

4.1

Head telegram (Header)......................................................................

1

-

7

 

 

4.2

Data block and error status byte .........................................................

1

-

8

 

 

4.3

End of telegram...................................................................................

1

-

9

 

5

Examples for potential responses to control or write commands resp.

 

 

 

 

 

to command telegrams with data (format) errors .......................................

1

-10

 

6

Function sequence and error status after the receipt of the

 

 

 

 

 

"SRES" or "STBY" commands...................................................................

1

-18

II) V24/RS232/485 Interface – Single Analyzers and Systems

2

-

1

1

Basic Informations .....................................................................................

2

-

2

2

List of all Codes [Commands - Overview including page numbers] ..... 2

-

5

 

2.1

Control commands ..............................................................................

2

-

5

 

2.2

Read commands .................................................................................

2

-

6

 

2.3

Write commands .................................................................................

2

-

7

3

Description of all Control Commands ........................................................

2

-

8

4

Description of all Read Commands ...........................................................

2

-39

5

Description of all Write Commands............................................................

2

-85

Supplement

 

 

 

 

1

Overview about working AK commands in NGA devices .........

Supplement -

1

2

AK Service Commands.............................................................

Supplement -

3

90003752(1) [AK-Commands] 10/98

AK