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Modbus I/O Access
I/O Coil/Register Descriptions
This section contains descriptions of I/O coils:
zMB_REG_DI_SENSOR—Status of Digital input. 1 is Active, 0 is Inactive. If Invert Signal is
configured on, 0 is Active, 1 is Inactive. If input is Latched, returns latched status.
zMB_REG_DI_SENSOR_ALARM_STATE—Indication if input is in alarm state. 1 is In Alarm
state, 0 is Not in Alarm state. A write of any value clears the alarm state.
zMB_REG_DO_SENSOR—Status of Digital output. 1 is Active, 0 is Inact ive. If Invert Signal
is configured on, 0 is Active, 1 is Inactive.
This section contains descriptions of I/O holding registers:
zMB_REG_HR_DI_SENSOR_LATCH—The latch status of the Digital input. 1 is Latched, 0 is
Not latched. A write of any value will clear the latch.
zMB_REG_HR_DO_SENSOR_PULSE_ISW—Inactive Signal Width. This is how long the
channel will remain inactive during pulse mode in increments of 100ms. Valid values are 1-9999.
The default is 1 (100 ms).
zMB_REG_HR_DO_SENSOR_PULSE_ASW—Active Signal Width. This is how long the
channel will be active during the pulse mode in increments of 100ms. Valid values are 1-9999.
The default is 1 (100 ms).
zMB_REG_HR_DO_SENSOR_PULSE_COUNT—The number of times the channel output
will pulse. Each count consists of an active/inactive sequence. The default is 1 cycle.
zMB_REG_HR_AI_CLEAR_ALARM_LATCH—Used to reset a latched alarm state. A write
of any value will clear the alarm latch for the specific Analog input.
zMB_REG_HR_AI_CLEAR_MAX—Used to reset the Analog input maximum value reached.
A write of any value will reset the maximum.
zMB_REG_HR_AI_CLEAR_MIN—Used to reset the Analog input mini mum value reached. A
write of any value will reset the minimum.
This section contains descriptions of I/O input registers:
zMB_REG_IR_CURR_ENG—The current value of an Analog or Temperature input converted
to appropriate units. For Anal og, this wil l be in vol tage or current, depending on the
configuration. For the Temperature, this value will be in Celsius or Fahrenheit, depen ding on
configuration.
zMB_REG_IR_MIN_ENG—The minimum converted value ever reached on this input since the
IOLAN was re-started or a manual clear was issued.
zMB_REG_IR_MAX_ENG—The maximum converted value ever reached on this input since
the IOLAN was re-started or a manual clear was issued.
zMB_REG_IR_CURR_RAW—The current raw value received from the Analog to Digital
converter. This is a hexadecimal value in the range of 0 -0xFFFF.
zMB_REG_IR_MIN_RAW—The minimum raw value ever reached on this input since the
IOLAN was re-started or a manual clear was issued.
zMB_REG_IR_MAX_RAW—The maximum converted value ever reached on this input since
the IOLAN was re-started or a manual clear was issued.
zMB_REG_IR_ALARM_LEVEL—This gives the current alarm severit y level for the
corresponding Analog input. Severity levels rang e from 0 (not in alarm) to 5 (highest alarm
severity).