Introduction
8/05 UDC2500 Universal Digital Limit ControllerProduct Manual 3
1.1.1 Function of keys
Table 1-1 shows each key on the operator interface and defines its function.
Table 1-1 Function of Keys
Key Function
SetupSetup
• 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.
FunctionFunctionFunction
• 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.
Lower
Display
Lower
Display
Lower
Display
• Selects an operating parameter to be shown in the lower display.
M-A
Reset
M-A
Reset
M-A
Reset
MAN-AUTO This function is not available on the Limit Controller.
RESET Reset the Limit Relay.
SP
Select
SP
Select
SP
Select
This key does not function on the Limit Controller
Run
Hold
Run
Hold
Run
Hold
• Acknowledges a latched alarm 1.
• Acknowledges Diagnostic Messages.
• Increases the selected parameter value.
• Decreases the selected parameter value.