Detailed Description of Diagnostic Language Objets for the T_PROC_CONST_LOOP-Type IODDT
(Original Document)
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At a Glance
This section describes the language objects for the T_PROC_CONST_LOOP-type IODDT. These diagnostic language objects are associated to the auto-selector loop. The section groups the word objects, whose bits have a specific meaning.
Sample Variable Declaration: T_PROC_CONST_LOOP-type IODDT_VAR1.
STATUS3_C1 Status Word
The following table explains the various meanings of the STATUS3_C1 (%MWr.m.c.6) status word bits. Word grouping fine diagnostics of different warnings (process value, setpoint, Feed Forward) main loop.
Standard symbol
Type
Access
Meaning
Address
Xi_WARN_C1
BOOL
R
Xi parameter check error.
%MWr.m.c.6.0
Yi_WARN_C1
BOOL
R
Yi parameter check error.
%MWr.m.c.6.1
RATIO_WARN_C1
BOOL
R
RATIO_MIN and RATIO_MAX parameter check error.
%MWr.m.c.6.2
FF_CALC_WARN_C1
BOOL
R
Feed Forward calculation error.
%MWr.m.c.6.3
FF_FLOAT_WARN_C1
BOOL
R
Feed Forward floating point error.
%MWr.m.c.6.4
OUT_FF_WARN_C1
BOOL
R
OUTFF_INF and OUTFF_SUP parameters check error.
%MWr.m.c.6.5
INP_INFR1_WARN_C1
BOOL
R
Error while checking parameters INP_INFR1 and INP_SUPR1.
%MWr.m.c.6.8
INP_INFR2_WARN_C1
BOOL
R
INP_INFR2 and INP_SUPR2 parameters check error.
%MWr.m.c.6.9
SP_MIN_WARN_C1
BOOL
R
Error while checking SP_MIN et SP_MAX parameters.
%MWr.m.c.6.10
SP_CALC_WARN_C1
BOOL
R
Setpoint calculation error.
%MWr.m.c.6.11
SP_FLOAT_WARN_C1
BOOL
R
Setpoint floating point error.
%MWr.m.c.6.12
OVER_TOT_WARN_C1
BOOL
R
Error on totaling overflow.
%MWr.m.c.6.13
STATUS4 Status Word
The following table explains the various meanings of the STATUS4 (%MWr.m.c.10) status word bits. Word grouping auto-tuning diagnostics.
Standard symbol
Type
Access
Meaning
Address
AT_FAILED
BOOL
R
Auto-tuning failed.
%MWr.m.c.10.0
AT_ABORTED
BOOL
R
Auto-tuning diagnostics interrupted.
%MWr.m.c.10.1
AT_ERR_PARAM
BOOL
R
Auto-tuning diagnostics parameter error.
%MWr.m.c.10.2
AT_PWF_OR_EFB_FAIL
BOOL
R
Auto-tuning diagnostics system error or power failure.
%MWr.m.c.10.3
AT_ERR_SATUR
BOOL
R
Auto-tuning diagnostics process value saturation.
%MWr.m.c.10.4
AT_DV_TOO_SMALL
BOOL
R
Auto-tuning diagnostics insufficient process value deviation.
%MWr.m.c.10.5
AT_TSAMP_HIGH
BOOL
R
Auto-tuning Diagnostics sampling pulse period too long.
%MWr.m.c.10.6
AT_INCONSIST_RESP
BOOL
R
Auto-tuning diagnostics inconsistent response.
%MWr.m.c.10.7
AT_NOT_STAB_INIT
BOOL
R
Auto-tuning diagnostics: initially unstable process value.
%MWr.m.c.10.8
AT_TMAX_TOO_SMALL
BOOL
R
Auto-tuning diagnostics: step duration too brief.
%MWr.m.c.10.9
AT_NOISE_TOO_HIGH
BOOL
R
Auto-tuning diagnostics: process value noise too loud.
%MWr.m.c.10.10
AT_TMAX_TOO_HIGH
BOOL
R
Auto-tuning diagnostics: step duration too long.
%MWr.m.c.10.11
AT_OVERSHOOT
BOOL
R
Auto-tuning diagnostics: overshoot exceeding 10%.
%MWr.m.c.10.12
AT_UNDERSHOOT
BOOL
R
Auto-tuning Diagnostics: non-minimal step too long.
%MWr.m.c.10.13
AT_UNSYMETRICAL_PT
BOOL
R
Auto-tuning diagnostics: procedure too asymmetrical.
%MWr.m.c.10.14
AT_INTEGRATING_PT
BOOL
R
Auto-tuning diagnostics: integrating process.
%MWr.m.c.10.15
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