Page 30
SMV800 Modbus User's Guide
Revision 1.0
Process Temperature UTL
The Upper Transducer Limit for the
Process Temperature input
Process Temperature LTL
The Lower Transducer Limit for the
Process Temperature input
CJ Temperature
The current value of the cold junction
temperature.
Write PT Range Values
o
PT LRV
o
PT URV
Write a new Lower Range Value and
Upper Range Value for the Process
Temperature input
Sensor Type
The type of sensor (RTD or TC)
selected for measuring the Process
Temperature.
Sensor Id
The specific type of RTD or TC
selected for measuring the Process
Temperature
Change Sensor Type/Id
Enter Sensor Type
Enter Sensor ID
Enter a new selection for the
temperature sensor
CJ Selection*
The selected value for Cold Junction
compensation type.
Fixed CJ Compensation
Value
*
When fixed CJ compensation is
selected, this value represents the fixed
cold junction temperature to be used for
the Process Temperature
measurement. (This parameter is
applicable when temp sensor is
configured only as a thermocouple).
Fixed CJ Value range is -50 to +90'C.
CJ Compensation*
Select fixed or internal cold junction
compensation for the Process
Temperature measurement.
Break Detect
Allows user to enable or disable sensor
break detection capability for the
Process Temperature input
Latch Alarm
Allows user to enable or disable critical
status latching when a break is
detected in the temperature sensor
Sensor Install Date
The customer-entered Temperature
Sensor Install Date. Editable
Lower Calib Point
The Lower Calibration Point value to be
used for calibrating the Process
Temperature Lower Calibration range.
Upper Calib Point
The Upper Calibration Point value to be
used for calibrating the Process
Temperature Upper Calibration range.
Sensor Bias
The RTD sensor bias in ohms if
required for Process Temperature
measurement.
RTD Type**
The currently selected 2-wire, 3-wire or
4-wire RTD type
Write RTD Type**
Select 2-wire, 3-wire or 4-wire RTD
sensor type to be used for measuring
the Process Temperature
* for T/C sensor configurations only
** for RTD sensor configurations only
Summary of Contents for SMV800
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