Device DDT for BMXETM0200H Module

Introduction

The Device DDT is a predefined DDT that describes the I/O language elements of the I/O module. This data type is represented in a structure which provides bits and register view.

This topic describes the structure of the implicit Control Expert Device DDT for the frequency meter module BMXETM0200H.

T_M_CPT_FLM_IN2 Device DDT Description

The following table gives the structure of the T_M_CPT_FLM_IN2 Device DDT:

Name	Type	Description
MOD_HEALTH	BOOL	0 = the module has a detected error
MOD_HEALTH	BOOL	1 = the module is operating correctly
MOD_FLT	BYTE	Internal detected errors of the module.
CPT_CH_IN	Array [0...1] of T_M_CPT_FLM_CH_IN	I/O data for channel 0 and channel 1

T_M_CPT_FLM_CH_IN

The following table gives the structure of T_M_CPT_FLM_CH_IN:

Name	Type	Bit	Description	Access
FCT_TYPE	WORD		1 = Frequency	Read
CH_HEALTH	BOOL		0 = the channel has a detected error	Read
CH_HEALTH	BOOL		1 = the channel is operating correctly	Read
ST_OUTPUT	EBOOL		State of the physical output Voltage level applied to the 24 Vdc channel output: 0 = 0 Vdc 1 = 24 Vdc	Read
ST_LATCH_OUTPUT	EBOOL		State of the output function block	Read
ST_SENSOR_INPUT	EBOOL		State from the sensor	Read
ST_DUAL_INPUT	EBOOL		State from the sensor on concurrent channel	Read
ST_ALARM_STOPPED	EBOOL		Alarm input frequency stopped	Read
ST_ALARM_UNDER_LIMIT	EBOOL		Alarm input frequency too low	Read
ST_ALARM_OVER_LIMIT	EBOOL		Alarm input frequency too high	Read
ST_ALARM_FREQUENCY_LESS	EBOOL		Alarm frequency value less than limits	Read
ST_ALARM_FREQUENCY_WINDOW	EBOOL		Alarm frequency value within limits	Read
ST_ALARM_FREQUENCY_GREAT	EBOOL		Alarm frequency value greater than limits	Read
COUNTER_STATUS	INT		Main status register.	Read
VALIDITY_FREQUENCY	BOOL	0	Frequency, acceleration, and jerk values guaranteed
VALIDITY_RATIO	BOOL	1	Ratio value done
VALIDITY_ANGLE	BOOL	2	Angle value done
PATTERN_LEARN_RUNNING	BOOL	3	Process learning on going
PATTERN_LEARNT	BOOL	4	Pattern profile recorded
STOPPED	BOOL	5	Input frequency stopped
UNDER_LIMIT	BOOL	6	Input frequency too low
OVER_LIMIT	BOOL	7	Input frequency too high
SENSOR_SUP_FLT	BOOL	8	Sensor supply fault
ACTUATOR_SUP_FLT	BOOL	9	Actuator supply fault
MPU_BROKEN_LINE	BOOL	10	MPU broken input line
SHORT_CIRCUIT_OUTPUT	BOOL	11	Short circuit or overload on the output
COMPARE_STATUS	INT		Field of comparison result bits.	Read
FREQUENCY_LESS	BOOL	0	Frequency value less than limits
FREQUENCY_WINDOW	BOOL	1	Frequency value within limits
FREQUENCY_GREAT	BOOL	2	Frequency value greater than limits
FREQUENCY_VALUE	UDINT		Frequency value in pulses per 1000 seconds	Read
ACCELERATION_VALUE	INT		Frequency value variation per pulses per s2	Read
JERK_VALUE	INT		Acceleration value variation per 1000 pulses per s3	Read
RATIO_VALUE	UINT		Number pulses within concurrent channel period	Read
ANGLE_VALUE	UINT		Delay of sensor on concurrent channel	Read
ENABLE_OUTPUT_LATCH	EBOOL		Make the output function active	Read/Write
FORCE_OUTPUT	EBOOL		Force the physical output to active	Read/Write
ENABLE_PATTERN_RECOGNITION	EBOOL		Enable the pattern recognition corrector	Read/Write
FORCE_PATTERN_LEARN	EBOOL		Request for pattern learning	Read/Write
COMPARE_ENABLE	EBOOL		Enable comparator	Read/Write
COMPARE_SUSPEND	EBOOL		Hold comparator at latest result	Read/Write
RESET_ALARMS	EBOOL		Reset all alarm bits	Read/Write
RESET_ALARM_STOPPED	EBOOL		Reset alarm bit stopped	Read/Write
RESET_ALARM_UNDER_LIMIT	EBOOL		Reset alarm bit frequency too low	Read/Write
RESET_ALARM_OVER_LIMIT	EBOOL		Reset alarm bit frequency too high	Read/Write
RESET_ALARM_FREQUENCY_LESS	EBOOL		Reset alarm bit frequency value less than limits	Read/Write
RESET_ALARM_FREQUENCY_WINDOW	EBOOL		Reset alarm bit frequency value within the limits	Read/Write
RESET_ALARM_FREQUENCY_GREAT	EBOOL		Reset alarm bit frequency value greater than the limits	Read/Write
MINIMUM_FREQUENCY	UDINT		Low limit for acceptable frequency values	Read/Write
MAXIMUM_FREQUENCY	UDINT		High limit for acceptable frequency values	Read/Write