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SIPROTEC 7SJ81
Siemens SIPROTEC 7SJ81 Protection Relay Manuals
Manuals and User Guides for Siemens SIPROTEC 7SJ81 Protection Relay. We have
1
Siemens SIPROTEC 7SJ81 Protection Relay manual available for free PDF download: Manual
Siemens SIPROTEC 7SJ81 Manual (105 pages)
Brand:
Siemens
| Category:
Relays
| Size: 1.49 MB
Table of Contents
Table of Contents
3
General
4
Safety Information
5
Qualified Electrical Engineering Personnel
6
Use as Prescribed
6
Statement of Conformity
7
Unpacking and Re-Packing
8
Storage and Transport
9
Functional Description
10
Ratio of the Low-Power Current Transformers
12
Rated Value of the Primary Object
13
Additional Parameters
13
Parameters of the Low-Power Voltage Transformers
14
Setting Notes
15
Sensitivity for the Ground Current Measurement
16
Parameter Overview
17
Information Overview
18
Bottom View of a 7SJ81/7SK81
19
Dimensions
19
Housing for Installation in Panels, Racks, or Cubicles
20
Installation Notes
20
Connection Modules
21
Connection Notes
21
Connections of the LPCT and LPVT Terminals Via RJ45
22
Fixing Elements
22
RJ45 LPCT/LPVT Connections
22
Assignment of the RJ45 Socket F1 to F3 (with Voltage Transformer)
22
Cable Lugs and Wire Cross-Sections
23
Mechanical Requirements
24
Connection of the Temperature Sensors (7SK815 and 7SK816 Only)
24
Connection of Cables
25
Terminal Block “D” with Cap
26
Front USB-Interface
27
USB-Interface
27
Assignment of the USB Socket
27
D-Subminiature Sockets (Only at Optional Port B)
28
9-Pin D-Subminiature Connector
28
Connections to Ethernet
29
Ethernet Connection – Examples
29
Optical Fiber
30
Optical Communication Interfaces
30
Connections to IEC 60870-5-103 Redundant
31
Assignment of the Port a and B Sockets
31
USB-DIGSI-Interface
31
Influence of Temperature on Accuracy
33
Voltage Inputs
33
Current Inputs
33
Limit Values of Inputs and Outputs
33
Binary Inputs
34
Output Relays
34
Temperatures
34
Degree of Protection According to IEC 60529
34
Ordering Data
35
General Diagrams and Connection Diagrams
42
General Diagram for 7SJ812/7SK812
43
General Diagram for 7SJ813/7SK813
44
General Diagram for 7SJ814/7SK814
45
General Diagram for 7SK815
46
General Diagram for 7SK816
47
Operating Pre-Conditions
51
Siprotec
53
Allgemeines
56
Hinweise zu Ihrer Sicherheit
57
Angaben zur Konformität
60
Aus- und Einpacken des Gerätes
61
Lagerung und Transport
62
Funktionen
63
Maßbilder
72
Montagehinweise
73
Hinweise für den Anschluss
74
Grenzdaten der Ein- und Ausgänge
86
Bestelldaten
88
Übersichtspläne und Anschlussbeispiele
95
Bedienvoraussetzungen
104
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