Table of contents
Section 1 Introduction.....................................................................11
Introduction to the operator’s manual...............................................11
About the complete set of manuals for an IED............................11
About the operator’s manual.......................................................12
Intended audience.......................................................................13
Related documents......................................................................13
Revision notes.............................................................................14
Section 2 Safety information..........................................................15
Warnings..........................................................................................15
Section 3 Overview........................................................................17
Operator overview............................................................................17
Identify the IED.................................................................................17
Section 4 Understand the IED local human-machine
interface..........................................................................21
Overview...........................................................................................21
Keypad.............................................................................................22
Key activated screens......................................................................23
The Help screen..........................................................................23
The Reset screen........................................................................24
LCD..................................................................................................24
Small............................................................................................24
Medium........................................................................................24
LED...................................................................................................25
Introduction..................................................................................25
Status indication LEDs................................................................25
Indication LEDs...........................................................................25
Local HMI setup ...............................................................................26
How to navigate................................................................................26
Read............................................................................................26
Change .......................................................................................26
Control.........................................................................................27
Section 5 Understand the HMI tree................................................29
Overview...........................................................................................29
Menu-tree for RET670.................................................................29
Section 6 Read measured values..................................................31
Overview...........................................................................................31
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