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