7SR21 & 7SR22 Performance Specification
Unrestricted © 2013 Siemens Protection Devices Limited
Page 15 of 68
1.3
Functional Performance
1.3.1 Instrumentation
Instrument Value
Reference
Typical accuracy
I
Current
0.1In to 2.0In
±
1 % or
±
1 %
In
V
Voltage
0.1Vn to 1.2Vn
±
1 % or
±
1 %
Vn
Power, real and apparent
V = Vn, I
³
0.1 xIn, pf
³
0.8
±
3 % Pn, where Pn = Vn x In
pf
Power factor
V = Vn, I
³
0.1 xIn, pf
³
0.8
±
0.05
1.3.2 USB Data Communication Interface
Attribute
Value
Physical layer
Electrical
Connectors
USB-Type B
1.3.3 Fibre Optic Serial Data Communication Interface (Optional Rear Mounted
Port)
Attribute
Value
Physical layer
Fibre-optic
Connectors
ST
TM
(BFOC/2.5)
Recommended fibre
62.5/125
m
m glass fibre with ST connector
Optical Wavelength
820 nm
Launch power (into recommended fibre)
-16 dBm
Receiver sensitivity
-24 dBm
1.3.4 RS485 Data Communication Interface (Standard Rear Port)
Attribute
Value
Physical layer
Electrical
Connectors
4 mm Ring Crimp
1.3.5 RS485 Data Communication Interface (Optional Rear Mounted Port)
Attribute
Value
Physical layer
Electrical
Connectors
4-way Plug
1.3.6 RS232 Data Communication Interface (Optional Rear Mounted Port)
Attribute
Value
Physical layer
Electrical
Connectors
9-way D-plug
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
Page 386: ...7SR220 Technical Manual Chapter 4 Page 6 of 96 2017 Siemens Protection Devices Limited ...
Page 398: ...7SR220 Technical Manual Chapter 4 Page 18 of 96 2017 Siemens Protection Devices Limited ...
Page 414: ...7SR220 Technical Manual Chapter 4 Page 34 of 96 2017 Siemens Protection Devices Limited ...
Page 466: ...7SR220 Technical Manual Chapter 4 Page 86 of 96 2017 Siemens Protection Devices Limited ...
Page 468: ...7SR220 Technical Manual Chapter 4 Page 88 of 96 2017 Siemens Protection Devices Limited ...
Page 470: ...7SR220 Technical Manual Chapter 4 Page 90 of 96 2017 Siemens Protection Devices Limited ...
Page 472: ...7SR220 Technical Manual Chapter 4 Page 92 of 96 2017 Siemens Protection Devices Limited ...
Page 643: ...Unrestricted ...