Details of Implicit Exchange Objects for the T_Unsigned_CPT_BMX and T_Signed_CPT

At a Glance

The tables below present the T_Unsigned_CPT_BMX and T_Signed_CPT_BMX-types IODDTs implicit exchange objects which are applicable to all BMX EHC •••• counting modules.

Counter Value and Sensor Values

The table below presents the various IODDT implicit exchange objects:

Standard symbol	Type	Access	Meaning	Language object
COUNTER_CURRENT_VALUE	DINT	R	Current counter value	%IDr.m.c.2
CAPT_0_VALUE	DINT	R	Counter value when captured in register 0	%IDr.m.c.4
CAPT_1_VALUE	DINT	R	Counter value when captured in register 1	%IDr.m.c.6
COUNTER_VALUE	DINT	R	Current counter value during event	%IDr.m.c.12
CAPT_0_VAL	DINT	R	Capture value 0	%IDr.m.c.14
CAPT_1_VAL	DINT	R	Capture value 1	%IDr.m.c.16

%Ir.m.c.d Word

The table below presents the meanings of the %Ir.m.c.d words:

Standard symbol	Type	Access	Meaning	Language object
CH_ERROR	BOOL	R	Channel error	%Ir.m.c.ERR
OUTPUT_0_Echo	BOOL	R	Logical state of output 0	%Ir.m.c.0
OUTPUT_1_Echo	BOOL	R	Logical state of output 1	%Ir.m.c.1
OUTPUT_BLOCK_0	BOOL	R	State of output block 0	%Ir.m.c.2
OUTPUT_BLOCK_1	BOOL	R	State of output block 1	%Ir.m.c.3
INPUT_A	BOOL	R	Physical state of IN_A input	%Ir.m.c.4
INPUT_B	BOOL	R	Physical state of IN_B input	%Ir.m.c.5
INPUT_SYNC	BOOL	R	Physical state of the IN_SYNC input (or IN_AUX)	%Ir.m.c.6
INPUT_EN	BOOL	R	Physical state of IN_EN input (enable)	%Ir.m.c.7
INPUT_REF	BOOL	R	Physical state of the IN_REF input (preset)	%Ir.m.c.8
INPUT_CAPT	BOOL	R	Physical state of IN_CAP input (capture)	%Ir.m.c.9

Counter Status, %IWr.m.c.0 Word

The following table presents the meanings of the bits of the %IWr.m.c.0 status word:

Standard symbol	Type	Access	Meaning	Language object
RUN	BOOL	R	The counter operates in counting mode only	%IWr.m.c.0.0
MODULO_FLAG	BOOL	R	Flag set to 1 by a modulo switch event	%IWr.m.c.0.1
SYNC_REF_FLAG	BOOL	R	Flag set to 1 by a preset or synchronization event	%IWr.m.c.0.2
VALIDITY	BOOL	R	The current numerical value is valid	%IWr.m.c.0.3
HIGH_LIMIT	BOOL	R	The current numerical value is locked at the upper threshold value	%IWr.m.c.0.4
LOW_LIMIT	BOOL	R	The current numerical value is locked at the lower threshold value	%IWr.m.c.0.5

Comparison Status, %IWr.m.c.1 Word

The following table presents the meanings of the bits of the %IWr.m.c.1 status word:

Standard symbol	Type	Access	Meaning	Language object
COUNTER_LOW	BOOL	R	Current counter value less than lower threshold (%QDr.m.c.2)	%IWr.m.c.1.0
COUNTER_WIN	BOOL	R	Current counter value is between lower threshold (%QDr.m.c.2) and upper threshold (%QDr.m.c.4)	%IWr.m.c.1.1
COUNTER_HIGH	BOOL	R	Current counter value greater than upper threshold (%QDr.m.c.4)	%IWr.m.c.1.2
CAPT_0_LOW	BOOL	R	Value captured in register 0 is less than lower threshold (%QDr.m.c.2)	%IWr.m.c.1.3
CAPT_0_WIN	BOOL	R	Value captured in register 0 is between lower threshold (%QDr.m.c.2) and upper threshold (%QDr.m.c.4)	%IWr.m.c.1.4
CAPT_0_HIGH	BOOL	R	Value captured in register 0 is greater than upper threshold (%QDr.m.c.4)	%IWr.m.c.1.5
CAPT_1_LOW	BOOL	R	Value captured in register 1 is less than lower threshold (%QDr.m.c.2)	%IWr.m.c.1.6
CAPT_1_WIN	BOOL	R	Value captured in register 1 is between lower threshold (%QDr.m.c.2) and upper threshold (%QDr.m.c.4)	%IWr.m.c.1.7
CAPT_1_HIGH	BOOL	R	Value captured in register 1 is greater than upper threshold (%QDr.m.c.4)	%IWr.m.c.1.8

Event Sources, %IWr.m.c.10 Word

The following table presents the meanings of the bits of the %IWr.m.c.10 word:

Standard symbol	Type	Access	Meaning	Language object
EVT_SOURCES	INT	R	Event sources field	%IWr.m.c.10
EVT_RUN	BOOL	R	Event due to start of counter.	%IWr.m.c.10.0
EVT_MODULO	BOOL	R	Event due to modulo switch	%IWr.m.c.10.1
EVT_SYNC_PRESET	BOOL	R	Event due to synchronization or preset	%IWr.m.c.10.2
EVT_COUNTER_LOW	BOOL	R	Event due to counter value being less than lower threshold	%IWr.m.c.10.3
EVT_COUNTER_WINDOW	BOOL	R	Event due to counter value being between the two thresholds	%IWr.m.c.10.4
EVT_COUNTER_HIGH	BOOL	R	Event due to counter value being greater than upper threshold	%IWr.m.c.10.5
EVT_CAPT_0	BOOL	R	Event due to capture function 0	%IWr.m.c.10.6
EVT_CAPT_1	BOOL	R	Event due to capture function 1	%IWr.m.c.10.7
EVT_OVERRUN	BOOL	R	Warning: lost event(s)	%IWr.m.c.10.8

Output Thresholds and Frequency

The table below presents the various IODDT implicit exchange objects:

Standard symbol	Type	Access	Meaning	Language object
LOWER_TH_VALUE	DINT	R/W	Lower threshold value	%QDr.m.c.2
UPPER_TH_VALUE	DINT	R/W	Upper threshold value	%QDr.m.c.4
PWM_FREQUENCY	DINT	R/W	Output frequency value (unit = 0.1 Hz)	%QDr.m.c.6
PWM_DUTY	INT	R/W	Duty cycle value of the output frequency (unit = 5%)	%QDr.m.c.8

%Qr.m.c.d Words

The following table presents the meanings of the bits of the %Qr.m.c.d words:

Standard symbol	Type	Access	Meaning	Language object
OUTPUT_0	BOOL	R/W	Forces OUTPUT_0 to level 1	%Qr.m.c.0
OUTPUT_1	BOOL	R/W	Forces OUTPUT_1 to level 1	%Qr.m.c.1
OUTPUT_BLOCK_0_ENABLE	BOOL	R/W	Implementation of output 0 function block	%Qr.m.c.2
OUTPUT_BLOCK_1_ENABLE	BOOL	R/W	Implementation of output 1 function block	%Qr.m.c.3
FORCE_SYNC	BOOL	R/W	Counting function synchronization and start	%Qr.m.c.4
FORCE_REF	BOOL	R/W	Set to preset counter value	%Qr.m.c.5
FORCE_ENABLE	BOOL	R/W	Implementation of counter	%Qr.m.c.6
FORCE_RESET	BOOL	R/W	Reset counter	%Qr.m.c.7
SYNC_RESET	BOOL	R/W	Reset SYNC_REF_FLAG	%Qr.m.c.8
MODULO_RESET	BOOL	R/W	Reset MODULO_FLAG	%Qr.m.c.9

FUNCTIONS_ENABLING, %QWr.m.c.0 Word

The following table presents the meanings of the bits of the %QWr.m.c.0 words:

Standard symbol	Type	Access	Meaning	Language object
VALID_SYNC	BOOL	R/W	Synchronization and start authorization for the counting function via the IN_SYNC input	%QWr.m.c.0.0
VALID_REF	BOOL	R/W	Operation authorization for the internal preset function	%QWr.m.c.0.1
VALID_ENABLE	BOOL	R/W	Authorization of the counter enable via the IN_EN input	%QWr.m.c.0.2
VALID_CAPT_0	BOOL	R/W	Capture authorization in the capture0 register	%QWr.m.c.0.3
VALID_CAPT_1	BOOL	R/W	Capture authorization in the capture1 register	%QWr.m.c.0.4
COMPARE_ENABLE	BOOL	R/W	Comparators operation authorization	%QWr.m.c.0.5
COMPARE_SUSPEND	BOOL	R/W	Comparator frozen at its last value	%QWr.m.c.0.6

EVENT_SOURCES_ENABLING, %QWr.m.c.1 Word

The following table presents the meanings of the bits of the %QWr.m.c.1 words:

Standard symbol	Type	Access	Meaning	Language object
EVT_RUN_ENABLE	BOOL	R/W	EVENT task call at start of the counting function	%QWr.m.c.1.0
EVT_MODULO_ENABLE	BOOL	R/W	EVENT task call when there is a counter reversal	%QWr.m.c.1.1
EVT_REF_ENABLE	BOOL	R/W	EVENT task call during counter synchronization or preset	%QWr.m.c.1.2
EVT_COUNTER_LOW_ENABLE	BOOL	R/W	EVENT task call when the counter value is less than lower threshold	%QWr.m.c.1.3
EVT_COUNTER_WINDOW_ENABLE	BOOL	R/W	EVENT task call when the counter is between the lower and upper threshold	%QWr.m.c.1.4
EVT_COUNTER_HIGH_ENABLE	BOOL	R/W	EVENT task call when the counter value is greater than the upper threshold	%QWr.m.c.1.5
EVT_CAPT_0_ENABLE	BOOL	R/W	EVENT task call during capture in register 0	%QWr.m.c.1.6
EVT_CAPT_1_ENABLE	BOOL	R/W	EVENT task call during capture in register 1	%QWr.m.c.1.7