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IED hardware overview .............................................................................................................. 623
Case and module slot .................................................................................................................. 624
1/3 size case .......................................................................................................................... 624
5.2.1
1/2 size case .......................................................................................................................... 625
5.2.2
Rated Frequency and Rated current .......................................................................................... 626
Transformer module for AC analog input (VCT) ....................................................................... 627
VCT types ............................................................................................................................. 628
5.4.1
VCT constitution .................................................................................................................. 630
5.4.2
VCT ratio setting.................................................................................................................. 631
5.4.3
Connection styles and polarity ............................................................................................ 632
5.4.4
CT connection style .............................................................................................................. 632
5.4.5
VT connection style .............................................................................................................. 636
5.4.6
CT polarity ............................................................................................................................ 639
5.4.7
Electric quantity definitions ............................................................................................... 642
5.4.8
Signal processing and communication module (CPU and COM) ............................................ 645
Signal processing ................................................................................................................. 645
5.5.1
Communication modules ..................................................................................................... 646
5.5.2
Locations of communication modules ................................................................................. 649
5.5.3
Binary IO module (BIO) .............................................................................................................. 650
BIO structures ...................................................................................................................... 650
5.6.1
Locations of BIO modules .................................................................................................... 656
5.6.2
Binary inputs ........................................................................................................................ 657
5.6.3
Binary outputs ..................................................................................................................... 663
5.6.4
DC power and Fail terminals .............................................................................................. 671
5.6.5
Signals (Data ID) of binary input circuits .......................................................................... 673
5.6.6
Signals (Data ID) of binary output circuits ........................................................................ 675
5.6.7
Human Machine Interface (HMI) .............................................................................................. 676
Outlook.................................................................................................................................. 676
5.7.1
LCD screen ........................................................................................................................... 676
5.7.2
LEDs ..................................................................................................................................... 677
5.7.3
Function keys ....................................................................................................................... 682
5.7.4
Operation keys ..................................................................................................................... 685
5.7.5
Clock function .............................................................................................................................. 686
Clock setting ......................................................................................................................... 686
5.8.1
Selection of date and time formats ..................................................................................... 686
5.8.2
Time Synchronization .......................................................................................................... 687
5.8.3
Setting time zone ................................................................................................................. 695
5.8.4
DST setting (Summer time setting).................................................................................... 696
5.8.5
Setting ................................................................................................................................... 698
5.8.6
xiv
6F2T0207 (0.01)
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