Siemens Sitrans, LC 500 instruction manual Appendix A

Menu	Affected	Rotary	Left			Added
		Switch		Mode			Description	Values
Item	by:	Position	Arrow			Indicator
				2-		Downward	Lower	in
						running A at	Threshold
				state				seconds
						right of value	Delay
04	07	4	Off
				Ana-				Display
					*			shows
				log
								- - - -

1.Set the loop-current control (Menu 07) to 2-state mode.

2.Set the rotary switch to 4.

3.Press the RED (+) or BLUE(–) buttons to increase or decrease the value. or: Press and hold a button to start a repeat function.

or: Press and hold both buttons simultaneously to toggle the value between minimum (0) and maximum (100).

Upper Threshold Setting (2-state mode)

The Upper Threshold Setting is the % of range above which the probe is considered covered. In order to switch the output signal, the corresponding delay time has to be met (Menu 03).

The loop-current control (Menu 07) must be in 2-state mode for this menu to display the

Upper Threshold Setting in percent. As an extra identifier, an upward ramp	is
displayed to the right of the value.

Menu	Affected	Rotary	Left			Added
Item	by:	Switch	Arrow	Mode		Indicator	Description	Values
		Position
						Upward	Upper	% of
				2-state		ramp at right	Threshold
								range
						of value	Setting
05	07	5	Off
								Display
				Analog	*			shows
								- - - -

1.Set the loop-current control (Menu 07) to 2-state mode.

2.Set the rotary switch to 5.

3.Press the RED (+) or BLUE (–) button to increase or decrease the value. or: Press and hold a button to start a repeat function.

Appendix A

7ML19985GE01 SITRANS LC 500 – INSTRUCTION MANUAL Page 63