Rack mounting the IED in a combiflex 19" equipment frame
(Type RHGT 19" 4U variant C)....................................................31
Mounting lens sensors for an arc protection system................... 32
Section 5 Connecting..................................................................... 35
Required tools.................................................................................. 35
Connecting wires.............................................................................. 35
Connecting ring-lug type wires.................................................... 36
Connecting protective earthing.........................................................36
Connecting analog signals............................................................... 37
Connecting current and voltage inputs ....................................... 37
Connecting current and voltage sensor signalling inputs............ 41
Connecting RTD and mA inputs.................................................. 42
Shielding RTD/mA instrument cables..........................................44
Connecting binary signals................................................................ 46
Connecting power supply................................................................. 48
Connecting communication.............................................................. 49
Energizing protection relay............................................................... 49
Section 6 Removing, repairing and exchanging.............................51
Product lifecycle............................................................................... 51
Checking protection relay information.............................................. 51
Removing the IED............................................................................ 52
Sending protection relay for repair................................................... 52
Exchanging protection relay............................................................. 52
Section 7 Technical data................................................................55
Case and HMI display variants.........................................................55
Front side of the IED....................................................................55
Rear side of the IED.................................................................... 56
Enclosure class................................................................................ 58
Section 8 Accessories and ordering data.......................................59
Section 9 Glossary......................................................................... 61
Table of contents
2 620 series
Installation Manual
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