845 E ** ** ** * * * A * * * * * * * * * * * * N
Interface 845 | | | | | |||||||||||||||| 845 Transformer Protection System
Application E | | | | | | | | | | | | | | | | | | | | Standard
Phase Currents ³
Slot J Bank 1/2
NN||||||||||||||||||| Two windings, no voltage
P1||||||||||||||||||| 1A three-phase current inputs (J1) with voltage (J2)
P5||||||||||||||||||| 5A three-phase current inputs (J1) with voltage (J2)
Phase Currents ³
Slot K Bank 1/2
M1 | | | | | | | | | | | | | | | | | | 1A three-phase inputs (K1), 1A three-phase inputs (K2)
M5 | | | | | | | | | | | | | | | | | | 5A three-phase inputs (K1), 5A three-phase inputs (K2)
MX | | | | | | | | | | | | | | | | | | 5A three-phase inputs (K1), 1A three-phase inputs (K2)
H1 | | | | | | | | | | | | | | | | | | 1A three-phase inputs (K1) - two windings with voltage
H5 | | | | | | | | | | | | | | | | | | 5A three-phase inputs (K1) - two windings with voltage
R1 | | | | | | | | | | | | | | | | | |
1A three-phase inputs (K1), 1A three-phase inputs (K2) - three windings
with voltage
R5 | | | | | | | | | | | | | | | | | |
5A three-phase inputs (K1), 5A three-phase inputs (K2) - three windings
with voltage
Ground Currents G1 | |||||||||||||||| 1A ground inputs
G5||||||||||||||||| 5A ground inputs
Q1||||||||||||||||| 5A, 1A - (NN+MX) or (P5+H1) - In line with Phase Current
Q2||||||||||||||||| 5A (J1) + 1A (K1) + 1A (K2)
Q3||||||||||||||||| 1A (J1) + 5A (K1) + 5A (K2)
Power Supply L | | | | | | | | | | | | | | | | 24 to 48 V DC
H | | | | | | | | | | | | | | | | 110 to 250 V DC/110 to 230 V AC
Slot B - LV I/O
N||||||||||||||| None
R||||||||||||||| 6 X RTDS (Pt100, Ni100, Ni120)
S||||||||||||||| 6 X RTDS (Pt100, Ni100, Ni120, Cu10)
Slot C- LV I/O
N | | | | | | | | | | | | | | None
R | | | | | | | | | | | | | | 6 X RTDS (Pt100, Ni100, Ni120)
S | | | | | | | | | | | | | | 6 X RTDS (Pt100, Ni100, Ni120, Cu10)
Slot F - HV I/O A |||||||||||||
2 Form A (Vmon), 3 Form C, 7 Digital Inputs (Low/High Voltage, Int/Ext
Supply)
Slot G - HV I/O
N | | | | | | | | | | | | None
A
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2 Form A (Vmon), 3 Form C, 7 Digital Inputs (Low/High Voltage, Int/Ext
Supply)
L | | | | | | | | | | | | 7 DcmA O/P + 4 DcmA I/P + 1 RTD
Slot H - HV I/O
N||||||||||| None (High Voltage I/O)
F||||||||||| 10 Digital Inputs + 4 Arc Flash Inputs
A
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2 Form A (Vmon), 3 Form C, 7 Digital Inputs (Low/High voltage, Int/Ext
supply)
Faceplate M | | | | | | | | | | Basic = Membrane Keypad
G | | | | | | | | | | Standard = Rugged Keypad
Current Protection
S||||||||| Basic: 87T, 50/87, 50P, 50N, 50G, 51P, 51N, 51G, Transformer Overload
M||||||||| Standard: Basic + 50_2, 51_2, RGF
A||||||||| Advanced: Standard + 67P, 67G, 67N (requires voltage selection)
Voltage Monitoring and Protection N | | | | | | | | None
S | | | | | | | | Standard Protection: 27P, 27X, 59P, 59N, 59X, 81O/U
P | | | | | | | | Advanced Protection: Standard Protection + 24, 25, 32, 55, 59_2, 81R
Control B ||||||| Basic: Setpoint Group Control, Virtual Inputs, Trip Bus, Breaker Control
F||||||| Standard: Basic + FlexLogic, 50BF, VTFF
T
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Advanced HMI = Standard + Tab PBs, Annunciator Panel, Configurable
SLDs with Bay Control
Monitoring B
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Basic: Breakers Coil Monitoring, Breaker Arcing, Harmonics, THD,
Demand, Trip Counters, Harmonic Derating Factor
C
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Standard: Basic + Breaker Health, Health Report, Thermal Elements,
Tap Changer, Learned Data, Energization and Historical Max Record
A | | | | | | Advanced = Standard + Harmonic Detection
M | | | | | | M&D = Standard + Dissolved Gas Analysis, Integrated Fault Report
Communications S E
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Standard: Front USB, 1 x Rear RS485: Modbus RTU, DNP3.0, IEC60870-
5-103 + 1 x Ethernet (Modbus TCP, DNP)
1E
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Advanced: Front USB, 1 x Rear RS485 + 2 x Ethernet Fiber, MODBUS
RTU/TCP, DNP3.0, IEC 60870-5-103/104, 1588, SNTP, OPC UA
1P|||| Advanced + PRP
2A|||| Advanced + IEC 61850
2E|||| Advanced + PRP + IEC 61850
3A|||| Advanced + Extended IEC 61850
3E|||| Advanced + PRP + Extended IEC 61850
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