CHAPTER 1: INTRODUCTION
FEATURES PER PRODUCT
UR FAMILY – COMMUNICATIONS GUIDE
1-13
1
Transformer
Instantaneou
s Differential
1
1
1
Transformer
Percent
Differential
1
1
1
1
Transformer
windings
6
2
6
6
Transformer
Thermal
Model
1
1
1
1
Trip Bus
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
Undercurrent
1
1
Underfrequen
cy
6
6
6
6
6
6
6
6
6
6
6
6
6
UnderPower
2
2
User-
Programmabl
e Fault Report
2
2
2
2
2
2
2
2
2
2
User-
Programmabl
e LEDs
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
User-
Programmabl
e
Pushbuttons
# of
pushbutt
ons; 16; 6
for
vertical
front
panel
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
control
push-
buttons
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
User-
Definable
Displays
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
Virtual Inputs
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
Virtual
Outputs
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
Voltage
Differential
# of VT
banks
3
3
Volts Per
Hertz
# of
elements
if at least
one VT
bank
2
2
2
2
2
VT Fuse
Failure
# of
sources if
CT bank
or VT
bank
6
4
6
2
4
6
4
4
4
2
2
4
4
6
6
Wattmetric
Ground Fault
# of
elements
4
2
2
4
2
2
2
Feature
Rule
Max B30 B90 C30 C60 C70 D30 D60 F35 F60 G30 G60 L30 L60 L90 M60 N60 T35 T60