Operating Instructions – General Instructions inserted in each relay box
Power Factor Control Relay
CXPLUSR (CONTACTOR SWITCHING)
CXPLUST (THYRISTOR SWITCHING)
These instructions apply from Ser. No. 1136054 Software 2.00 – Rev 6 issue date 29.6.2012
Contents
1.0 CONNECTION TO SUPPLY
Page 2
1.2 - Current Transformer notes
1.3 - Earthing the relay
1.4 - Connecting the relay
1.5 - Removing the short circuit link on K-L
1.6 - Wiring Diagrams
1.6.1 - Wiring diagram – Contactors
Page 3
1.6.2 - Wiring diagram – Thyristors
Page 4
2.0 ENERGISING THE RELAY
Page 4
2.1 Lockout time 75 secs
2.2 Measured Values in the Display
Scroll through Menu – What do the symbols mean?
Page 5
3.0 THE QUICK START MENU 100 TO SET CT AND VT RATIOS
How to get into Setup Menu 100
Page 6
Setting the nominal system Voltage L-L., Un
Setting the CT ratio – Ct
Setting the VT ratio – Pt
Selecting Automatic Self Commissioning Ai
Selecting AUTO-OFF-HOLD for all the steps
Page 7
Setting the target power factor – CPI
Setting Step switch time – St
Selecting the type of switching for each individual step OUt
4.0 MANUAL SWITCHING
Page 7
5.0 THE INFO MENU
Page 8
6.0 ALARMS – What do they mean?
Page 8
7.0 DEFAULT SETTINGS – And what each menu does
Page 9
8.0 TROUBLE SHOOTING
Page 10
9.0 TECHNICAL DATA
Page 11
Page 1 of 11
