Communications Manual Rev 3.10 Software Versions 3.xx
Page 2
003R-618-310
Table of Contents
1.
INTRODUCTION ................................................................................................................... 4
1.1.
Intended Audience ..................................................................................................... 4
1.2.
Scope......................................................................................................................... 4
1.3.
The Manuals Set ........................................................................................................ 5
1.4.
Document Conventions .............................................................................................. 5
2.
CONNECTING TO THE INSTRUMENT................................................................................. 6
2.1.
opto-LINK ................................................................................................................... 6
2.1.1.
opto-LINK Activation................................................................................... 6
2.1.2.
opto-LINK Communications Settings .......................................................... 6
2.2.
RS-232 Connection .................................................................................................... 7
2.2.1.
RS-232 Communications Settings.............................................................. 7
2.3.
opto-LINK vs RS-232 ............................................................................................... 10
3.
GETTING STARTED ........................................................................................................... 11
3.1.
Using Viewer ............................................................................................................ 11
3.2.
COMM Protocol Summary........................................................................................ 11
3.3.
Reading Gross Weight as Literal Value.................................................................... 12
3.4.
Read Gross Weight as Final Value .......................................................................... 12
3.5.
Setting Values .......................................................................................................... 12
3.6.
Remote Key Press ................................................................................................... 12
3.7.
RS-232 Ring Network Enhancement........................................................................ 12
3.7.1.
RS-232 Ring Network Example ............................................................... 13
4.
PROTOCOL OVERVIEW .................................................................................................... 14
4.1.
COMM Message Structure ....................................................................................... 14
4.1.1.
Address Field ........................................................................................... 15
4.1.2.
Command Field ........................................................................................ 15
4.1.3.
Register Id Field ....................................................................................... 16
4.1.4.
Optional Parameters................................................................................. 16
4.1.5.
Return Value ............................................................................................ 16
4.1.6.
RS-232 Ring Network Enhancement ........................................................ 16
4.2.
Error Handling .......................................................................................................... 17
4.3.
Register Types ......................................................................................................... 18
4.4.
Permissions.............................................................................................................. 19
4.4.1.
Register Access ....................................................................................... 19
4.4.2.
Calibration and Configuration Counters.................................................... 20
5.
REGISTER OPERATIONS AND PROPERTIES.................................................................. 21
5.1.
Register Operations ................................................................................................. 21
5.2.
Common Properties ................................................................................................. 21
5.2.1.
Type ......................................................................................................... 21
5.2.2.
Menu Text ................................................................................................ 21
5.2.3.
Permission................................................................................................ 22
5.3.
Type Specific Properties........................................................................................... 22
5.3.1.
RangeMin, RangeMax.............................................................................. 22
5.3.2.
Final Value ............................................................................................... 23
5.3.3.
Literal Value ............................................................................................. 23
5.3.4.
Default Value............................................................................................ 23
5.3.5.
Execute .................................................................................................... 23
5.3.6.
Read Items............................................................................................... 24
6.
READING STATUS AND ERROR CODES ......................................................................... 25
6.1.
REG_SYSTEM_STATUS......................................................................................... 25
6.2.
REG_SYSTEM_ERROR .......................................................................................... 26
7.
REMOTE KEY INTERFACE................................................................................................ 27
7.1.
Operation ................................................................................................................. 27
7.2.
Key-Codes ............................................................................................................... 27
7.2.1.
Physical Codes......................................................................................... 27
7.2.2.
Example ................................................................................................... 28
7.2.3.
Logical Keys............................................................................................. 28