Honeywell UDC2500 manual Downscale Burnout will force, Nofs, Emiss, 609

Configuration

Function Prompt		Selection or Range of Setting			Parameter
Lower Display		Upper Display			Definition
English	Numeric	English	Numeric
	Code		Code
		DOWN	2	DOWNSCALE BURNOUT will force the
				Input 1 signal to the lower range value when
				the sensor fails. Diagnostic message IN1
				FAIL intermittently flashed on the lower
				display.
				The controller remains in Automatic control
				mode and adjusts the controller output signal
				in response to the lower range Input 1 signal
				developed by the Burnout circuitry.
		NOFS	3	This selection does not provide input failure
				detection and should only be used when a
				thermocouple input is connected to another
				instrument which supplies the Burnout
				current. (For this selection, no burnout signal
				is sent to the sensor.) when a thermocouple
				input is connected to another instrument
				which supplies the Burnout current. (For this
				selection, no burnout signal is sent to the
				sensor.)
					For Burnout to function
				ATTENTION
				properly on a	0-20 mA input type (or a 0-5V
				type that uses a dropping resistor), the
				dropping resistor must be remotely located
				(across the transmitter terminals).
				Otherwise, the input at the UDC terminals
				will always be 0 mA (i.e., within the normal
				operating range) when the 0-20 mA line is
				opened.
EMISS	609	0.01 to 1.00		EMISSIVITY is a correction factor applied to
				the Radiamatic input signal that is the ratio of
				the actual energy emitted from the target to
				the energy which would be emitted if the
				target were a perfect radiator.
				Available only for Radiamatic inputs.

58 UDC2500 Universal Digital Controller Product Manual 4/07