
CET Inc.
5
Table of Contents
Chapter 1 Introduction........................................................................................................................ 7
1.1 Overview............................................................................................................................... 7
1.2 Features ................................................................................................................................7
1.3 Getting more information ..................................................................................................... 8
Chapter 2 Installation..........................................................................................................................9
2.1 Appearance...........................................................................................................................9
2.2 Dimensions .........................................................................................................................10
2.2.1 Main Unit.................................................................................................................10
2.2.2 Terminal...................................................................................................................10
2.2.3 Residual Current CTs ................................................................................................11
2.2.4 PT100.......................................................................................................................12
2.3 Mounting ............................................................................................................................ 12
2.4 RS-485 Wiring .....................................................................................................................14
2.5 Digital Output Wiring .......................................................................................................... 14
2.6 Residual Current Input Wiring .............................................................................................14
2.7 RTD Input Wiring.................................................................................................................15
2.8 Power Supply Wiring...........................................................................................................15
Chapter 3 Front Panel .......................................................................................................................16
3.1 LED Indicator....................................................................................................................... 16
3.2 Buttons ...............................................................................................................................16
3.3 LED Display .........................................................................................................................17
3.3.1 LED Display Symbols.................................................................................................17
3.3.2 LED Testing...............................................................................................................17
3.3.3 Default Display .........................................................................................................17
3.3.4 Data Display .............................................................................................................18
3.3.5 SOE Display ..............................................................................................................18
3.4 Setup Configuration ............................................................................................................ 19
3.4.1 Making Setup Changes.............................................................................................19
3.4.2 Setup Menu .............................................................................................................20
3.4.3 Configuration ...........................................................................................................21
Chapter 4 Applications......................................................................................................................23
4.1 Condition Monitoring..........................................................................................................23
4.1.1 Residual Current Monitoring ....................................................................................23
4.1.2 Temperature Alarm ..................................................................................................23
4.2 Digital Output ..................................................................................................................... 25
4.3 SOE Log...............................................................................................................................25
Chapter 5 Modbus Register Map....................................................................................................... 26
5.1 Basic Measurements ...........................................................................................................26
5.2 SOE Log...............................................................................................................................27
5.3 Device Setup .......................................................................................................................28
5.4 Time.................................................................................................................................... 29
5.5 Remote Control...................................................................................................................30