Manual of Weighing Controller A 810
A.S.T. Angewandte SYSTEM-TECHNIK GmbH Dresden
Seite
5
4.3.
P
RINTERS
.....................................................................................................................................................76
4.4.
R
EMOTE
D
ISPLAY
U
NITS
..............................................................................................................................76
4.4.1.
A810 Remote Display Units.................................................................................................................76
4.4.2.
Foreign Remote Display Units ............................................................................................................77
4.5.
PC
/
SPC ......................................................................................................................................................77
4.5.1.
Acknowledgement Protocol .................................................................................................................77
4.5.2.
Structure of a Data Frame...................................................................................................................77
4.5.3.
Remote Control Commands.................................................................................................................77
4.5.3.1.
Keyboard Commands .......................................................................................................................................78
4.5.3.2.
Commands for Weighing Operations ...............................................................................................................79
4.5.3.3.
Commands for Printer Output ..........................................................................................................................82
4.5.3.4.
Commands for Data Protocol ...........................................................................................................................84
4.5.3.5.
Miscellaneous Command .................................................................................................................................85
4.5.4.
Behaviour in case of trouble................................................................................................................86
4.6.
E
XAMPLES OF
C
OMMUNICATION
I
NTERFACES
.............................................................................................87
4.6.1.
RS-485 Interface ..................................................................................................................................87
4.6.2.
RS-232 Interface ..................................................................................................................................88
4.7.
T
ABLES OF SERIAL INTERFACES
....................................................................................................................89
4.7.1.
Commands of the PC Interface............................................................................................................89
4.7.2.
Code-Table A810 Keyboard ................................................................................................................90
5.
SPECIFICATIONS ...........................................................................................................................................91
5.1.
I
NTERFACE
...................................................................................................................................................92
5.2.
F
EATURES
/
B
ASIC FUNCTIONS
.....................................................................................................................92
5.3.
C
ALIBRATION
L
OCK
.....................................................................................................................................93
6.
APPLICATION NOTES...................................................................................................................................94
6.1.
C
ALIBRATION PROCEDURE
...........................................................................................................................94
6.2.
T
HEORETICAL CALIBRATION
........................................................................................................................96
6.3.
S
IMPLE
C
OMPARISON
M
ODE
–
F
EEDING
W
EIGHING E
.
G
.
1 ...........................................................................97
6.4.
S
IMPLE
C
OMPARISON
M
ODE
–
F
EEDING
W
EIGHING E
.
G
.
2 ...........................................................................99
6.5.
S
IMPLE
C
OMPARISON
M
ODE
–
D
ISCHARGING
W
EIGHING
..........................................................................101
6.6.
S
EQUENCE
M
ODE
.......................................................................................................................................103
6.7.
S
EQUENCE
M
ODE WITHOUT
J
UDGEMENT
...................................................................................................105
6.8.
S
EQUENCE
M
ODE WITH
A
DJUST
F
EEDING
..................................................................................................106
6.9.
A
UTO
F
REE
F
ALL
C
OMPENSATION
.............................................................................................................107
7.
APPENDIX ......................................................................................................................................................108
7.1.
ASCII-
TABLE
.............................................................................................................................................108
7.2.
S
URVEY OF
O
PERATING
F
UNCTIONS
..........................................................................................................109
7.3.
D
ESCRIPTION OF
S
TATES OF
E
RROR
...........................................................................................................112