Honeywell SMV800 User Manual page 212

Temperature
module ADC
Reference
Failure
Temperature
Module
Unreliable
Communication
Information Temperature
module Factory
Calibration
missing
Temperature
Sensor Over
Temperature
Excess
Calibration
Correction
User Corrects
Activated
Page 200
The reference Reset the device. If
voltage the problem persists,
measurement in replace the
one of the two Temperature module.
Analog to Digital
Converter (ADC)
parts in the
Temperature module
is not operating
correctly. The
process temperature
measurement may
be affected.
If there is no proper User can verify the
communication cable/connector
between between
Communication communication and
Board and Temperature sensor
Temperature Sensor board (Terminal
Board (Terminal) or Board) to ensure that
invalid data on it is not damaged.
communication line Check for bent pins.If
due to noise cable/connector is not
the problem, replace
the Communication
module.If problem still
persists, replace the
Terminal board.
Temperature sensor Return the device for
module factory Factory Calibration
calibration is missing
The Process Check the process
Temperature input temperature. If the
exceeds the process temperature
Temperature Upper exceeds the range of
Range Limit the current sensor
(URL) as determined type, either correct
by the configured the process to an in-
Sensor Type. range temperature or
switch to a different
sensor type which is
ranged for the
expected process
temperature range.
The temperature Perform Reset
calibration correcs on Corrects to reset the
LRV, URV or both is User calibration to
in excess. factory default. If
required, fllow the
calibration procedure
to repeat the
temperature
calibration.
User Corrects This is
Activated acknowledgement
status for reset
corrects performed by
user
SMV800 Modbus User's Guide
Bit - 0
Bit -1
120
Bit - 2
Bit - 3
Bit - 4
Bit - 5
Revision 1.0