Detailed Description of Default Language Objects for the T_PROC_CASC

At a Glance

This section describes the language objects for the T_PROC_CASC_LOOP-type IODDT. These default language objects are associated to the cascade loop. The section groups the word objects, whose bits have a specific meaning.

Sample Variable Declaration: T_PROC_CASC_LOOP-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	Reading of channel status words in progress.	%MWr.m.c.0.0
CMD_IN_PROGR	BOOL	R	Current parameter exchange 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	Reading error for channel status words.	%MWr.m.c.1.0
CMD_ERR	BOOL	R	Error during command parameter exchange.	%MWr.m.c.1.1
ADJ_ERR	BOOLBOOL	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 errors for CH_FLT_B1

The following table explains the various meanings of the CH_FLT_B1 (%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_M	BOOL	R	Missing IMC master loop register address.	%MWr.m.c.2.6
WARN	BOOL	R	Error Sum.	%MWr.m.c.2.7
STS_ERR_CALC_CORR_M	BOOL	R	Master loop controller branch calculation error.	%MWr.m.c.2.8
STS_ERR_FLOT_CORR_M	BOOL	R	Master loop controller branch floating point error.	%MWr.m.c.2.9
STS_ERR_CALC_PV_M	BOOL	R	Master PV branch calculation error.	%MWr.m.c.2.10
STS_ERR_FLOT_PV_M	BOOL	R	Master PV branch floating point error.	%MWr.m.c.2.11
STS_ERR_SCALE_PV_M	BOOL	R	Master PV branch incorrect scale.	%MWr.m.c.2.12

CH_STATUS2 status word

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_CALC_OUT	BOOL	R	OUT branch calculation error.	%MWr.m.c.3.0
STS_ERR_FLOT_OUT	BOOL	R	OUT branch floating point error.	%MWr.m.c.3.1
STS_ERR_TH_SPLRG	BOOL	R	Split Range function thresholds incorrect.	%MWr.m.c.3.2
STS_ERR_SCALE_OUT1	BOOL	R	OUT1 branch scale incorrect.	%MWr.m.c.3.3
STS_ERR_SCALE_OUT2	BOOL	R	OUT2 branch scale incorrect.	%MWr.m.c.3.4
STS_ERR_COPY_POS	BOOL	R	Missing position copy address.	%MWr.m.c.3.5
MISSING_ADDR_E	BOOL	R	Missing IMC slave loop register address.	%MWr.m.c.3.6
STS_ERR_CALC_CORR_E	BOOL	R	Slave loop controller branch calculation error.	%MWr.m.c.3.8
STS_ERR_FLOT_CORR_E	BOOL	R	Slave loop controller branch floating point error.	%MWr.m.c.3.9
STS_ERR_CALC_PV_E	BOOL	R	Slave PV branch calculation error.	%MWr.m.c.3.10
STS_ERR_FLOT_PV_E	BOOL	R	Slave PV branch floating point error.	%MWr.m.c.3.11
STS_ERR_SCALE_PV_E	BOOL	R	Slave PV branch incorrect scale.	%MWr.m.c.3.12

STATUS1_M status word

The following table explains the various meanings of the STATUS1_M (%MWr.m.c.4) status word bits. Word grouping the different Process value/Setpoint status bits

Standard symbol	Type	Access	Meaning	Address
STS_PV_SIM_M	BOOL	R	Process value simulation state.	%MWr.m.c.4.1
STS_PV_H_LIM_M	BOOL	R	Upper limit on process value branch (PV_SUP).	%MWr.m.c.4.2
STS_PV_L_LIM_M	BOOL	R	Lower limit on process value branch (PV_INF).	%MWr.m.c.4.3
STS_SP_H_LIM_M	BOOL	R	Upper limit on setpoint branch (SP_SUP).	%MWr.m.c.4.4
STS_SP_L_LIM_M	BOOL	R	Lower limit on setpoint branch (SP_INF).	%MWr.m.c.4.5
STS_L_R_M	BOOL	R	State of the selected Remote/Local setpoint.	%MWr.m.c.4.6
STS_R1_R2_M	BOOL	R	State of selected setpoint.	%MWr.m.c.4.7
STS_ALARMS_M	BOOL	R	Sum of process value alarms.	%MWr.m.c.4.8
STS_HH_M	BOOL	R	Very high alarm.	%MWr.m.c.4.9
STS_H_M	BOOL	R	High alarm.	%MWr.m.c.4.10
STS_L_M	BOOL	R	Low Alarm.	%MWr.m.c.4.11
STS_LL_M	BOOL	R	Very low alarm.	%MWr.m.c.4.12
STS_DEVH_M	BOOL	R	Upper threshold for Process value/Setpoint deviation (>0).	%MWr.m.c.4.13
STS_DEVL_M	BOOL	R	Lower threshold for Process value/Setpoint deviation (<0).	%MWr.m.c.4.14

STATUS2_M status word

The following table explains the various meanings of the STATUS2_M (%MWr.m.c.5) status word bits. Word grouping various status bits for master controller.

Standard symbol	Type	Access	Meaning	Address
STS_AT_RUNNING_M	BOOL	R	Auto-tuning in progress.	%MWr.m.c.5.0
STS_TR_S_M	BOOL	R	PID in tracking mode (open cascade).	%MWr.m.c.5.1
STS_M_A_M	BOOL	R	Status of PID Operation Mode.	%MWr.m.c.5.3
STS_OUT_L_LIM_M	BOOL	R	Output lower limit reached.	%MWr.m.c.5.8
STS_OUT_H_LIM_M	BOOL	R	Output upper limit reached.	%MWr.m.c.5.9
STS_TOP_NEXT_CYC_M	BOOL	R	Sampling pulse on next cycle.	%MWr.m.c.5.10
STS_TOP_CUR_CYC_M	BOOL	R	Sampling pulse in current cycle.	%MWr.m.c.5.11
STS_FF_SIM_M	BOOL	R	Simulation state of Feed Forward process value.	%MWr.m.c.5.12
STS_OUT_CLAMP_LOW	BOOL	R	Output of slanting master in descending order.	%MWr.m.c.5.13
STS_OUT_CLAMP_HIGH	BOOL	R	Output of slanting master in ascending order.	%MWr.m.c.5.14

STATUS1_E status word

The following table explains the various meanings of the STATUS1_E (%MWr.m.c.7) status word bits. Word grouping the different Process value/Setpoint slave status bits.

Standard symbol	Type	Access	Meaning	Address
STS_PV_SIM_E	BOOL	R	Process value simulation state.	%MWr.m.c.7.1
STS_PV_H_LIM_E	BOOL	R	Upper limit on process value branch (PV_SUP).	%MWr.m.c.7.2
STS_PV_L_LIM_E	BOOL	R	Lower limit on process value branch (PV_INF).	%MWr.m.c.7.3
STS_SP_H_LIM_E	BOOL	R	Upper limit on setpoint branch (SP_SUP).	%MWr.m.c.7.4
STS_SP_L_LIM_E	BOOL	R	Lower limit on setpoint branch (SP_INF).	%MWr.m.c.7.5
STS_L_R_E	BOOL	R	State of the selected Remote/Local setpoint.	%MWr.m.c.7.6
STS_ALARMS_E	BOOL	R	Sum of process value alarms.	%MWr.m.c.7.8
STS_HH_E	BOOL	R	Very high alarm.	%MWr.m.c.7.9
STS_H_E	BOOL	R	High alarm.	%MWr.m.c.7.10
STS_L_E	BOOL	R	Low Alarm.	%MWr.m.c.7.11
STS_LL_E	BOOL	R	Very low alarm.	%MWr.m.c.7.12
STS_DEVH_E	BOOL	R	Upper threshold for Process value/Setpoint deviation (>0).	%MWr.m.c.7.13
STS_DEVL_E	BOOL	R	Lower threshold for Process value/Setpoint deviation (<0).	%MWr.m.c.7.14
STS_THLD_DONE_E	BOOL	R	Totaling threshold reached.	%MWr.m.c.7.15

STATUS2_E status word

The following table explains the various meanings of the STATUS2_E (%MWr.m.c.8) status word bits. Word grouping various status bits for slave controller.

Standard symbol	Type	Access	Meaning	Address
STS_AT_RUNNING_E	BOOL	R	Auto-tuning in progress.	%MWr.m.c.8.0
STS_TR_S_E	BOOL	R	Tracking Mode switch.	%MWr.m.c.8.1
STS_M_A_E	BOOL	R	Status of PID Operation Mode.	%MWr.m.c.8.3
STS_RAISE1_E	BOOL	R	Open command.	%MWr.m.c.8.4
STS_LOWER1_E	BOOL	R	Close command.	%MWr.m.c.8.1
STS_RAISE2_E	BOOL	R	Branch output 2 open command.	%MWr.m.c.8.6
STS_LOWER2_E	BOOL	R	Branch output 2 close command.	%MWr.m.c.8.7
STS_OUT_L_LIM_E	BOOL	R	The calculated output of the PID is greater than or equal to OUT_SUP.	%MWr.m.c.8.8
STS_OUT_H_LIM_E	BOOL	R	The calculated output of the PID is smaller than or equal to OUT_INF.	%MWr.m.c.8.9
STS_TOP_NEXT_CYC_E	BOOL	R	Sampling pulse on next cycle.	%MWr.m.c.8.10
STS_TOP_CUR_CYC_E	BOOL	R	Sampling pulse in current cycle.	%MWr.m.c.8.11