Detailed Description of Default Language Objets for the T_PROC

At a Glance

This section describes the language objects for the T_PROC_PLOOP-type IODDT. These default 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.

Comments

Generally speaking, the meaning of any bit is provided for State 1 of said bit. In some specific instances, we provide a meaning for each state of the bit.
Not all bits are utilized.

%Ir.m.c.ERR Error Bit

The following table explains the meaning of the CH_ERROR (%Ir.m.c.ERR) error bit.

Standard symbol	Type	Access	Meaning	Address
CH_ERROR	BOOL	R	Process control channel error bit.	%Ir.m.c.ERR

Exchange Execution Indicators: EXCH_STS

The following table explains the various meanings of EXCH_STS (%MWr.m.c.0) channel exchange control bits.

Standard symbol	Type	Access	Meaning	Address
STS_IN_PROGR	BOOL	R	Channel status words are in the process of being read.	%MWr.m.c.0.0
CMD_IN_PROGR	BOOL	R	The exchange of Command Parameters is in progress.	%MWr.m.c.0.1
ADJ_IN_PROGR	BOOL	R	The exchange of Adjustment Parameters is in progress.	%MWr.m.c.0.2
RECONF_IN_PROGR	BOOL	R	The module reconfiguration is in progress.	%MWr.m.c.0.15

Exchange Report: EXCH_RPT

The following table explains the various meanings of EXCH_RPT (%MWr.m.c.1) reporting bits.

Standard symbol	Type	Access	Meaning	Address
STS_ERR	BOOL	R	Error while reading the channel status words.	%MWr.m.c.1.0
CMD_ERR	BOOL	R	Error while exchanging command parameters.	%MWr.m.c.1.1
ADJ_ERR	BOOL	R	Error while exchanging adjustment parameters.	%MWr.m.c.1.2
RECONF_ERR	BOOL	R	Error while reconfiguring the channel. (1 = failure)	%MWr.m.c.1.15

Standard Channel Errors, CH_FLT

The following table explains the various meanings of the CH_FLT (%MWr.m.c.2) status word bits.

Standard symbol	Type	Access	Meaning	Address
INTERNAL_FLT	BOOL	R	Fatal internal error.	%MWr.m.c.2.4
CONF_FLT	BOOL	R	Configuration error.	%MWr.m.c.2.5
MISSING_ADDR	BOOL	R	Address of IMC register missing.	%MWr.m.c.2.6
WARN	BOOL	R	Error Sum.	%MWr.m.c.2.7
STS_ERR_CALC_CORR	BOOL	R	Loop controller branch calculation error.	%MWr.m.c.2.8
STS_ERR_FLOT_CORR	BOOL	R	Loop controller branch floating point error.	%MWr.m.c.2.9
STS_ERR_CALC_PV	BOOL	R	PV branch calculation error.	%MWr.m.c.2.10
STS_ERR_FLOT_PV	BOOL	R	PV branch floating point error.	%MWr.m.c.2.11
STS_ERR_CALC_OUT	BOOL	R	OUT branch calculation error.	%MWr.m.c.2.12
STS_ERR_FLOT_OUT	BOOL	R	OUT branch floating point error.	%MWr.m.c.2.13

Channel States, CH_STATUS2

The following table explains the various meanings of the CH_STATUS2 (%MWr.m.c.3) status word bits.

Standard symbol	Type	Access	Meaning	Address
STS_ERR_SCALE_PV	BOOL	R	PV branch incorrect scale.	%MWr.m.c.3.0
STS_ERR_TH_SPLRG	BOOL	R	Split Range function thresholds incorrect.	%MWr.m.c.3.1
STS_ERR_SCALE_OUT1	BOOL	R	OUT1 branch scale incorrect.	%MWr.m.c.3.2
STS_ERR_SCALE_OUT2	BOOL	R	OUT2 branch scale incorrect.	%MWr.m.c.3.3
STS_ERR_COPY_POS	BOOL	R	Servo copy address missing.	%MWr.m.c.3.4

STATUS1 Status Word

The following table explains the various meanings of the STATUS1 (%MWr.m.c.4) status word bits. Word grouping the different Process value/Setpoint status bits

Standard symbol	Type	Access	Meaning	Address
STS_HOLD_TOT	BOOL	R	Freeze of Totaling function.	%MWr.m.c.4.0
STS_PV_SIM	BOOL	R	Simulated process value.	%MWr.m.c.4.1
STS_PV_H_LIM	BOOL	R	Upper limit on process value.	%MWr.m.c.4.2
STS_PV_L_LIM	BOOL	R	Lower limit on process value.	%MWr.m.c.4.3
STS_SP_H_LIM	BOOL	R	Upper limit on setpoint.	%MWr.m.c.4.4
STS_SP_L_LIM	BOOL	R	Lower limit on setpoint.	%MWr.m.c.4.5
STS_L_R	BOOL	R	Remote Setpoint (0) Local Setpoint (1).	%MWr.m.c.4.6
STS_R1_R2	BOOL	R	Remote2 Setpoint (1) Remote1 Setpoint (0).	%MWr.m.c.4.7
STS_ALARMS	BOOL	R	OR logic of process value alarms.	%MWr.m.c.4.8
STS_HH	BOOL	R	Very high alarm.	%MWr.m.c.4.9
STS_H	BOOL	R	High alarm.	%MWr.m.c.4.10
STS_L	BOOL	R	Low Alarm.	%MWr.m.c.4.11
STS_LL	BOOL	R	Very low alarm.	%MWr.m.c.4.12
STS_DEVH	BOOL	R	High alarm for Process value/Setpoint deviation (>0).	%MWr.m.c.4.13
STS_DEVL	BOOL	R	Lower alarm for Process value/Setpoint deviation (<0).	%MWr.m.c.4.14
STS_THLD_DONE	BOOL	R	Totaling threshold reached.	%MWr.m.c.4.15

STATUS2 Status Word

The following table explains the various meanings of the STATUS2 (%MWr.m.c.5) status word bits. Word grouping various Loop Controller/Setpoint status bits.

Standard symbol	Type	Access	Meaning	Address
STS_AT_RUNNING	BOOL	R	Auto-tuning in progress.	%MWr.m.c.5.0
STS_TR_S	BOOL	R	Tracking in progress.	%MWr.m.c.5.1
STS_M_A	BOOL	R	Status of PID Operation Mode.	%MWr.m.c.5.3
STS_RAISE1	BOOL	R	Open command.	%MWr.m.c.5.4
STS_LOWER1	BOOL	R	Close command.	%MWr.m.c.5.5
STS_RAISE2	BOOL	R	Branch output 2 open command.	%MWr.m.c.5.6
STS_LOWER2	BOOL	R	Branch output 2 close command.	%MWr.m.c.5.7
STS_OUT_L_LIM	BOOL	R	Loop Controller lower limit reached.	%MWr.m.c.5.8
STS_OUT_H_LIM	BOOL	R	Loop Controller upper limit reached.	%MWr.m.c.5.9
STS_TOP_NEXT_CYCLE	BOOL	R	Sampling pulse on next cycle.	%MWr.m.c.5.10
STS_TOP_CUR_CYCLE	BOOL	R	Sampling pulse in current cycle.	%MWr.m.c.5.11
STS_FF_SIM	BOOL	R	Status of simulation of the FF process value.	%MWr.m.c.5.12

STATUS3 Status Word

The following table explains the various meanings of the STATUS3 (%MWr.m.c.6) status word bits. Word grouping various Servo status bits.

Standard symbol	Type	Access	Meaning	Address
POT_VAL1	BOOL	R	Servo Operation, with copy,	%MWr.m.c.6.0
POT_VAL2	BOOL	R	Servo with copy operation (Reserved).	%MWr.m.c.6.1
RAISE_STOP1	BOOL	R	Open limit reached on servo drive (Reserved).	%MWr.m.c.6.2
LOWER_STOP1	BOOL	R	Close limit reached on servo drive (Reserved).	%MWr.m.c.6.3
RAISE_STOP2	BOOL	R	Open limit reached on servo drive (Reserved).	%MWr.m.c.6.4
LOWER_STOP2	BOOL	R	Close limit reached on servo drive (Reserved).	%MWr.m.c.6.5