ABB REF542plus Manual page 4

1VTA100114-Rev. 04 en
Valid from Version V4D02
Multifunction Protection and Switchgear Control unit REF542plus
Manual: Motor Protection with ATEX-Certification
6.3 Safety Regulations .......................................................................................... 39
6.3.1 General safety notes .................................................................... 39
6.3.2 Specific safety information............................................................ 39
6.3.3 Risk analysis and safety measures .............................................. 40
7 Mounting and Installation.................................................................................. 41
7.1 Unpacking ....................................................................................................... 41
7.2 Mounting ......................................................................................................... 41
7.2.1 Set-up Area and Required Environmental Conditions ................. 43
7.2.2 Installation in LV panels................................................................ 44
7.2.3 Wiring the REF542plus................................................................. 45
7.2.3.1 Checking the current transformer circuits..................................... 45
7.2.3.2 Check the voltage transformer circuits ......................................... 46
7.2.3.3 Checking the auxiliary voltage...................................................... 46
7.2.3.4 Check the tripping and signaling contacts.................................... 46
7.2.3.5 Check the binary inputs ................................................................ 46
7.2.4 Grounding of the REF542plus ...................................................... 46
7.2.5 Typical examples of analog and binary connections.................... 48
7.2.6 Connection Example of the REF542plus Analog Inputs .............. 49
8 Commissioning .................................................................................................. 51
8.1 Safety Information ........................................................................................... 51
8.2 Switching on the feeder................................................................................... 51
8.3 Test Equipment ............................................................................................... 51
8.4 Testing the interlock conditions,...................................................................... 51
8.5 Determining the transformer direction............................................................. 51
8.5.1 Current transformer ...................................................................... 52
8.5.2 Voltage transformer ...................................................................... 52
8.5.3 Current sensor .............................................................................. 53
8.5.4 Voltage sensor.............................................................................. 53
8.6 Testing the measured value recording............................................................ 53
8.7 Testing the protective functions ...................................................................... 54
9 Technical data .................................................................................................... 55
9.1 Analog input channels..................................................................................... 55
9.1.1 Current and voltage transformer input values .............................. 55
9.1.2 Current and voltage sensor input values...................................... 55
9.2 Binary inputs and outputs................................................................................ 56
9.2.1 BIO module with mechanical output relays (version 3) ................ 56
9.2.2 BIO module with static outputs ..................................................... 57
9.3 Interfaces ........................................................................................................ 57
9.3.1 HMI Control Unit: .......................................................................... 57
9.3.2 Base Unit: ..................................................................................... 57
9.4 Analog output board (optional)........................................................................ 57
9.5 Analog input board (optional) .......................................................................... 57
9.6 Communication (optional) ............................................................................... 57
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