DSS EX Explosion-Proof Transmitter and Controller Instruction Manual
74
Input Calibration Menu (
ICAL
)
Recalibrating the Analog Input Channels (Ch-A & Ch-B)
The analog input channels are calibrated at the factory. If recalibration is needed, follow the flowchart
menu above and the instructions below.
1. Enter the ICAL menu to calibrate channel A and channel B.
2. Select mA or Volt
3. Apply the low (4 mA or 0 V) and high (20 mA or 10 V) signals as requested.
4. Press Enter to accept the values entered or press Menu to exit calibration without saving the
changes.
Error Message (
Error
)
An error message indicates that the calibration or scaling process was not successful. After the error
message is displayed, the scanner reverts to input 2 during calibration or scaling and to input 1 during
internal calibration, allowing the appropriate input signal to be applied or programmed.
The error message might be caused by any of the following:
1. Input signal is not connected to the proper terminals, or it
is connected backwards.
2. Minimum input span requirements not maintained.
Input Range Input 1 & Input 2 Span
4-20 mA
0.15 mA
±
10 VDC
0.01 VDC
To Run Mode if calibration is
successful, otherwise an
message will appear.
