Honeywell UDC2500 manual 1Function of Displays and Keys, Man

Introduction

1.2 Function of Displays and Keys

Table 1-1 shows each key on the operator interface and defines its function.

Table 1-1Function of Displays and Keys

Key

Setup

Function

Function

•Places the controller in the Configuration Set Up group select mode. Sequentially displays Set Up groups and allows the FUNCTION key to display individual functions in each Set Up group.

•Used in conjunction with the SET UP key to select the individual functions of a selected Configuration Set Up group.

•Used during field calibration procedure.

	•	Selects an operating parameter to be shown in the lower display. See
Lower
		Section 4.5.2 for a list of the operating parameters and Section 4.5.3 for a list
Display
		of the diagnostic messages.
	• Alternately selects:
		AUTO Lower display automatically displays setpoint value in engineering
M-A
			units.
Reset
		MAN	Lower display automatically indicates output in %.
		RESET Only used on Limit Controllers to reset the Limit Relay.
	•	Setpoint Select Hold key down to cycle through configured setpoints.
SP
Select

•Alternate action switch initiates or holds the Setpoint Ramp or Setpoint Program.

Run
Hold	• Acknowledges a latched alarm 1.

• Acknowledges Diagnostic Messages.

• Increases the selected parameter value.

• Decreases the selected parameter value.

Note 1: Value can be changed if in manual mode. For Three Position Step Control when a slidewire is not used, the output value is the estimated motor position.

Note 2: Value can be changed via increment/decrement keys.

Note 3: The selected set can be changed via increment/decrement keys.

4/07 UDC2500 Universal Digital Controller Product Manual 3