51401550-100 Honeywell

Lower Display

Prompt

Upper Display

Range of Setting or Selection

Parameter Definition

AUX OUT

(continued)

SP 1 SETPOINT 1—Represents the value of the setpoint in 

units of PV for Loop 1.

PV 2 PROCESS VARIABLE 2—Represents the value of the 

process variable for Loop 2.

DEV 2 DEVIATION 2 (PROCESS VARIABLE MINUS 

SETPOINT)—Represents –100 to +100% of the 

selected PV span for Loop 2.

See Example at DEV 1.

OUT 2 OUTPUT 2—Represents the displayed controller output 

in percent (%) for Loop 2.

SP 2 SETPOINT 2—Represents the value of the setpoint in 

units of PV for Loop 2.

4 mA VAL Low Scale Value

within the range of the selected 

variable to represent 4 mA

AUXILIARY OUTPUT LOW SCALING FACTOR—Use 

a value in engineering units for all selections above 

except Output.

Use value in percent (%) for Output. (Output can be 

between –5 and +105%.)

20mA VAL High Scale Value

within the range of the selected 

variable to represent 20 mA

AUXILIARY OUTPUT HIGH SCALING FACTOR—Use 

a value in engineering units for: Input 1, Input 2, 

Process Variable, Deviation,* and Setpoint.

Use a value in percent (%) for Output. (Output can be 

between –5 and +105%.)

*When Deviation is selected, only one operating 

parameter will be entered. This value represents the 

deviation level that will produce 20 mA output. Zero 

deviation will produce a center scale (12 mA) output. A 

negative deviation equal in magnitude to the Auxiliary 

Output High Value will produce a low end (4 mA) output.