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use the resistor if a voltage signal is applied directly.
After the appropriate physical changes have been
made, the controller will still need the correct code for
the input type to be used. Enter the appropriate code
from the Table of Input Type Codes.
P-SL
Lower Limit of Input Range:
The Lower Limit of Input
Range is that value which establishes the desired low
limit for the type of input used. The value must be
greater than or equal to the input type’s lowest limit.
Setpoint settings are restricted to values greater than
the low limit. Parameters which are calculated as a per-
centage of full scale are affected by this setting. An
underscale error message is indicated on the process
variable display when the process variable goes below
the Lower Limit of Input Range setting by 5% of full
scale. The primary purpose of the Lower Limit of Input
Range when used with a thermocouple or RTD sensor
input is to limit setpoint settings. Making the input range
smaller does not increase the accuracy. The primary
purpose of the Lower Limit of Input range when used
with 1-5/0-5V DC or 4-20/0-20mA DC signal input is to
scale the range so that 1/0V DC on a 1-5/0-5V DC signal
and 4/0mA DC on a 4-20/0-20mA DC signal equals the
low limit of the engineering unit range used. The engi-
neering unit range could be %, PSI, GPM, PH, or any
range which can be scaled between -1999 and 9999
units.
Enter a value to set Lower Limit of Input range based on
the type of input used.
P-SU
Upper Limit of Input Range:
The Upper Limit of Input
Range is that value which establishes the desired high
Summary of Contents for CN4321
Page 33: ...32 SYSTEM WIRING DIAGRAMS Example 1 Example 2...
Page 45: ...44 Deadband Overlap...
Page 48: ...47 Table of Input Type Codes...
Page 50: ...49...
Page 53: ...52 Table of Alarm Action Type Codes CN4321...
Page 54: ...53 Table of Alarm Action Type Codes CN4431...
Page 59: ...58 Table of Output Type Codes...