Detailed Description of Diagnostic Language Objects for the T_PROC_PLOOP-Type IODDT
(Original Document)
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At a Glance
This section describes the language objects for the T_PROC_PLOOP-type IODDT. These diagnostic language objects are associated to the process loop. The section groups the word objects, whose bits have a specific meaning.
Sample Variable Declaration: T_PROC_PLOOP-type IODDT_VAR1.
STATUS4 Status Word
The following table explains the various meanings of the STATUS4 (%MWr.m.c.7) status word bits. Word grouping together the fine diagnostics of different errors (process value, setpoint, FF).
Standard symbol
Type
Access
Meaning
Address
SP_MIN_WARN
BOOL
R
Error while checking SP_MIN et SP_MAX parameters.
%MWr.m.c.7.0
XI_WARN
BOOL
R
Xi parameter check error.
%MWr.m.c.7.1
Yi_WARN
BOOL
R
Yi parameter check error.
%MWr.m.c.7.2
OVER_TOT_WARN
BOOL
R
Totaling overflow error.
%MWr.m.c.7.6
INP_INFR1_WARN
BOOL
R
Error while checking parameters INP_INFR1 and INP_SUPR1.
%MWr.m.c.7.8
INP_INFR2_WARN
BOOL
R
INP_INFR2 and INP_SUPR2 parameters check error.
%MWr.m.c.7.9
RATIO_WARN
BOOL
R
RATIO_MIN and RATIO_MAX parameter check error.
%MWr.m.c.7.10
SP_CALC_WARN
BOOL
R
Setpoint calculation error.
%MWr.m.c.7.11
SP_FLOAT_WARN
BOOL
R
Setpoint floating point error.
%MWr.m.c.7.12
FF_CALC_WARN
BOOL
R
Feed Forward calculation error.
%MWr.m.c.7.13
FF_FLOAT_WARN
BOOL
R
Feed Forward floating point error.
%MWr.m.c.7.14
OUT_FF_WARN
BOOL
R
OUTFF_INF and OUTFF_SUP parameters check error,
%MWr.m.c.7.15
STATUS5 Status Word
The following table explains the various meanings of the STATUS5 (%MWr.m.c.8) status word bits. Word grouping auto-tuning diagnostics.
Standard symbol
Type
Access
Meaning
Address
AT_FAILED
BOOL
R
Auto-tuning failed.
%MWr.m.c.8.0
AT_ABORTED
BOOL
R
Auto-tuning diagnostics interrupted.
%MWr.m.c.8.1
AT_ERR_PARAM
BOOL
R
Auto-tuning diagnostics parameter error.
%MWr.m.c.8.2
AT_PWF_OR_EFB_FAIL
BOOL
R
Auto-tuning diagnostics system error or power failure.
%MWr.m.c.8.3
AT_ERR_SATUR
BOOL
R
Auto-tuning diagnostics process value saturation.
%MWr.m.c.8.4
AT_DV_TOO_SMALL
BOOL
R
Auto-tuning diagnostics insufficient process value deviation.
%MWr.m.c.8.1
AT_TSAMP_HIGH
BOOL
R
Auto-tuning Diagnostics sampling pulse period too long.
%MWr.m.c.8.6
AT_INCONSIST_RESP
BOOL
R
Auto-tuning diagnostics inconsistent response.
%MWr.m.c.8.7
AT_NOT_STAB_INIT
BOOL
R
Auto-tuning diagnostics: initially unstable process value.
%MWr.m.c.8.8
AT_TMAX_TOO_SMALL
BOOL
R
Auto-tuning diagnostics: step duration too brief.
%MWr.m.c.8.9
AT_NOISE_TOO_HIGH
BOOL
R
Auto-tuning diagnostics: process value noise too loud.
%MWr.m.c.8.10
AT_TMAX_TOO_HIGH
BOOL
R
Auto-tuning diagnostics: step duration too long.
%MWr.m.c.8.11
AT_OVERSHOOT
BOOL
R
Auto-tuning diagnostics: overshoot exceeding 10%.
%MWr.m.c.8.12
AT_UNDERSHOOT
BOOL
R
Auto-tuning Diagnostics: non-minimal step too long.
%MWr.m.c.8.13
AT_UNSYMETRICAL_PT
BOOL
R
Auto-tuning diagnostics: procedure too asymmetrical.
%MWr.m.c.8.14
AT_INTEGRATING_PT
BOOL
R
Auto-tuning diagnostics: integrating process.
%MWr.m.c.8.15
Command Word
The following table explains the various meanings of the ORDER_COMMAND (%MWr.m.c.11) command word and of the PARAM_COMMAND (%MDr.m.c.12) command parameters command word.
Standard symbol
Type
Access
Meaning
Address
ORDER_COMMAND
INT
R/W
Command Word.
%MWr.m.c.11
PARAM_COMMAND
DINT
R/W
Command Parameter.
%MDr.m.c.12