DSE 335 - 2 SPECIFICATIONS; 2.6 CURRENT SENSING; 2.6.2 CT POLARITY; 2.7 INPUTS

DSE335 Operator Manual
057-233 ISSUE: 1 Page 4 of 90
3.1.7 LOAD CURRENT TRANSFORMERS ......................................................................... 30
3.1.7.1 CONNECTION TO TERMINALS 45 & 46/47 ........................................................ 31
3.1.7.2 CT CONNECTIONS ............................................................................................ 31
3.1.8 CONFIGURABLE VOLT-FREE CHANGEOVER OUTPUTS C & D ............................. 32
3.1.9 PC CONFIGURATION INTERFACE CONNECTOR .................................................... 32
3.1.10 RS485 CONNECTOR ................................................................................................. 33
3.1.11 RS232 CONNECTOR ................................................................................................. 33
3.2 TYPICAL WIRING DIAGRAM ........................................................................................... 34
3.2.1 DSE335 3 PHASE, 4 WIRE WITH RESTRICTED EARTH FAULT PROTECTION ....... 35
3.3 ALTERNATIVE TOPOLOGIES ......................................................................................... 36
3.3.1 3 PHASE, 4 WIRE WITHOUT EARTH FAULT PROTECTION .................................... 36
3.3.2 SINGLE PHASE WITH RESTRICTED EARTH FAULT ............................................... 37
3.3.3 SINGLE PHASE WITHOUT EARTH FAULT ............................................................... 37
3.3.4 2 PHASE (L1 & L2) 3 WIRE WITH RESTRICTED EARTH FAULT .............................. 38
3.3.5 2 PHASE (L1 & L2) 3 WIRE WITHOUT EARTH FAULT .............................................. 38
3.3.6 2 PHASE (L1 & L3) 3 WIRE WITH RESTRICTED EARTH FAULT .............................. 39
3.3.7 2 PHASE (L1 & L3) 3 WIRE WITHOUT EARTH FAULT MEASURING ........................ 40
3.3.8 3 PHASE 4 WIRE WITH UNRESTRICTED EARTH FAULT MEASURING .................. 41
3.4 EARTH SYSTEMS ............................................................................................................ 42
3.4.1 NEGATIVE EARTH .................................................................................................... 42
3.4.2 POSITIVE EARTH ...................................................................................................... 42
3.4.3 FLOATING EARTH .................................................................................................... 42
3.5 TYPICAL ARRANGEMENT OF DSENET® ....................................................................... 42
4 DESCRIPTION OF CONTROLS ........................................................................ 43
4.1 CONTROL PUSH-BUTTONS ............................................................................................ 45
4.2 VIEWING THE INSTRUMENT PAGES .............................................................................. 47
4.2.1 STATUS ..................................................................................................................... 48
4.2.2 S1 .............................................................................................................................. 49
4.2.3 S2 .............................................................................................................................. 49
4.2.4 MODULE .................................................................................................................... 49
4.2.5 EXPANSION .............................................................................................................. 50
4.2.6 ALARMS .................................................................................................................... 50
4.2.7 EVENT LOG ............................................................................................................... 50
4.2.8 SERIAL PORT ............................................................................................................ 51
4.2.8.1 RS232 SERIAL PORT ......................................................................................... 51
4.2.8.2 RS485 SERIAL PORT ......................................................................................... 55
4.2.9 SCHEDULER ............................................................................................................. 56
4.2.10 ABOUT....................................................................................................................... 56
4.3 VIEWING LATEST TRANSFER INFORMATION PAGE .................................................... 57
4.4 USER CONFIGURABLE INDICATORS ............................................................................ 58
4.5 OPERATION ..................................................................................................................... 59
4.6 QUICKSTART GUIDE ....................................................................................................... 59
4.6.1 STARTING S2 ............................................................................................................ 59
4.6.2 STOPPING S2 ........................................................................................................... 60
4.7 STOP/RESET ................................................................................................................... 61
4.8 MANUAL MODE ............................................................................................................... 62
4.8.1 STARTING SEQUENCE............................................................................................. 62
4.8.2 S2 AVAILABLE ........................................................................................................... 62
4.8.3 STOPPING SEQUENCE ............................................................................................ 63
4.9 AUTOMATIC MODE ......................................................................................................... 64
4.9.1 WAITING IN AUTO MODE ......................................................................................... 64
4.9.2 STARTING SEQUENCE............................................................................................. 64
4.9.3 S2 AVAILABLE ........................................................................................................... 65
4.9.4 STOPPING SEQUENCE ............................................................................................ 65
4.10 MODE SELECTION ....................................................................................................... 66
4.10.1 TEST ON LOAD ......................................................................................................... 66
4.10.1.1 STARTING SEQUENCE ...................................................................................... 66
4.10.1.2 S2 AVAILABLE .................................................................................................... 66
4.10.1.3 STOPPING SEQUENCE ..................................................................................... 66