17
Terminal identification rated and base values
Chapter 2
General
Table 6:
Rated Voltages
Path in local HMI: Configuration/AnalogInputs/U1-U5
Table 7:
Analog Inputs - Voltage
Parameter
Range
Default
Unit
Description
Ur *
10.000 -
500.000
Step: 0.001
110.000
V
Rated voltage of transformer module
U1r *
10.000 -
500.000
Step: 0.001
63.509
V
Rated voltage of transformer on input U1
U2r *
10.000 -
500.000
Step: 0.001
63.509
V
Rated voltage of transformer on input U2
U3r*
10.000 -
500.000
Step: 0.001
63.509
V
Rated voltage of transformer on input U3
U4r*
10.000 -
500.000
Step: 0.001
63.509
V
Rated voltage of transformer on input U4
U5r*
10.000 -
500.000
Step: 0.001
63.509
V
Rated voltage of transformer on input U5
*) Setting can be done through the local HMI only. The setting should normally not be changed by the user.
The setting is factory preset and depends on the selected transformer input module.
Parameter
Range
Default
Unit
Description
U1b
30.000 -
500.000
Step:0.001
63.509
V
Base voltage of input U1
U1Scale
1.000 -
20000.000
Step: 0.001
2000.000
-
Main voltage transformer ratio, input U1
Name_U1
0 - 13
U1
char
User-defined name of input U1
U2b
30.000 -
500.000
Step: 0.001
63.509
V
Base voltage of input U2
U2Scale
1.000 -
20000.000
Step: 0.001
2000.000
-
Main voltage transformer ratio, input U2
Name_U2
0 - 13
U2
char
User-defined name of input U2
U3b
30.000 -
500.000
Step: 0.001
63.509
V
Base voltage of input U3
Summary of Contents for REL 551-C1*2.5
Page 1: ...Technical reference manual ProtectIT Line differential protection terminal REL 551 C1 2 5 ...
Page 23: ...14 Introduction to the technical reference manual Chapter 1 Introduction ...
Page 39: ...30 Technical data Chapter 2 General ...
Page 63: ...54 Blocking of signals during test BST Chapter 3 Common functions ...
Page 71: ...62 Line differential protection phase segregated DIFL Chapter 4 Line differential protection ...
Page 89: ...80 Thermal phase overload protection THOL Chapter 5 Current ...
Page 101: ...92 Event function EV Chapter 7 Logic ...
Page 163: ...154 Terminal diagrams Chapter 11 Diagrams Figure 39 REL 551 C1 with DC switch ...