Endress+Hauser SpectraSensors J22 TDLAS, Руководство по эксплуатации

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Operating Instructions J22 TDLAS Gas Analyzer
66 Hauser
Parameter overview with brief description
Parameter Prerequisite Description User entry Factory setting
Current span — Select current range for
process value output and
upper/lower level for alarm
signal.
• 4...20 mA
• 4...20 mA NE
• 4...20 mA US
• 0...20 mA
Approval-specific:
•
4...20 mA NE
• 4...20 mA US
Terminal
number
— Shows the terminal
numbers used by the
current input module.
• Not used
• 24-25 (I/O 2)
• 22-23 (I/O 3)
—
Signal mode The measuring device is
not approved for use in the
hazardous area with Ex-i
protection type.
Select the signal mode for
the current input.
• Passive
• Active
Passive
0/4 mA
value
—
Enter 4 mA value. Signed floating-point
number
Approval-specific:
•
mbar a
• psi a
20 mA value — Enter 20 mA value. Signed floating-point
number
Approval-specific:
•
mbar a
• psi a
Failure mode — Define input behavior in
alarm condition.
• Alarm
• Last valid value
• Defined value
Alarm
Failure
current
In the Failure mode
parameter, the Defined
value option is selected.
Enter the value to be used
by the device if input value
from external device is
missing.
Signed floating-point
number
0
7.11 Configuring the current output
The Current output wizard systematically guides you through all the parameters that have to be set for configuring
the current output.
Navigation Setup menu → Current output
▸ Current output 1 to n
Pro.var. outp → 
Terminal number → 
Current range output → 
Signal mode → 
Lower range value output → 
Upper range value output → 
Damping current → 
Fixed current → 
Fail.behav.out → 
Failure current → 