The SITRANS LC 500 User Interface

The SITRANS LC 500 user interface consists of the display (LCD), the rotary switch, and two push-buttons. The rotary switch enables you to select a particular item and/or variable for read-out and/or adjustment: the push-buttons allow you to select and/or alter a read-out or a value.

User Interface

rotary switch menu selector

RED (+) push-button increment value

BLUE (–) push-button decrement value

LCD

Type:

Ser.:

Date:

Rev.:

Tampering voids warranty

label (protective seal)

solid-state switch relay (any polarity)

current-loop connection (any polarity)

coaxial connector

earth TAB

probe connection

tank / vessel frame

measurement connection

The LCD (display)

The seven-segment LCD (display) shows the value and/or diagnostic information. It is mainly for numeric data, but there are also a number of indicators which use alphabetic characters. A list of these LCD displays, together with the associated menu items, is shown in Appendix B: LCD display examples on page 74.

left-arrow indicates Menu Level 10 to 1F

 

value MINUS sign (– )

left-most colon:

 

indicates value

 

accepted

 

(debounce time

 

passed)

left-most decimal point/heartbeat indicator (flashes twice

 

per second)

The LCD will hold information for a long time even when not refreshed (for example, if there is a loss of power). The heartbeat indicator blinks continuously whenever the device is working. A still heartbeat signals that the device has stopped working.

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SITRANS LC 500 – INSTRUCTION MANUAL

7ML19985GE01

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Image 42
Siemens instruction manual Sitrans LC 500 User Interface, LCD display