Siemens Argus 7SR22 User Manual

7SR210 Settings Guide
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Description Range Default
Relay Identifier
An alphanumeric string shown on the LCD normally used to identifier
the circuit the relay is attached to or the relays purpose
(16 Character String) 7SR210
Circuit Identifier (16 Character String)
3.2. CT/VT Config
Description Range Default
Phase Current Input
Selects whether 1 or 5 Amp terminals are being used for phase inputs
1, 5 1 A
Phase CT Ratio Prim
Phase CT ratio to scale primary current instruments
( 6 Character String) 2000 A
Phase CT Ratio Sec
Phase CT ratio to scale secondary current instruments
0.2, 0.21 ... 2, 2.1.....7 1
Earth Current Input
Selects whether 1 or 5 Amp terminals are being used for Measured Earth inputs
1, 5 1 A
Earth CT Ratio Prim
Measured Earth CT ratio to scale primary current instruments
( 6 Character String) 2000 A
Earth CT Ratio Sec
Measured Earth CT ratio to scale secondary current instruments
0.2, 0.21 ... 2, 2.1.....7 1
3.3. Function Config
Description Range Default
Gn Phase Overcurrent
When set to Disabled, no Phase Overcurrent elements will be functional and all
associated settings will be hidden. (The Setting Dependencies setting being set to
Disabled will make all settings visible but will not allow them to operate).
Enabled, Disabled Disabled
Gn Cold Load
When set to Disabled, no Cold Load elements will be functional and all associated
settings will be hidden. (The Setting Dependencies setting being set to Disabled
will make all settings visible but will not allow them to operate).
Enabled, Disabled Disabled
Gn Derived E/F
When set to Disabled, no Derived E/F elements will be functional and all
associated settings will be hidden. (The Setting Dependencies setting being set to
Disabled will make all settings visible but will not allow them to operate).
Enabled, Disabled Disabled
Gn Measured E/F
When set to Disabled, no Measured E/F elements will be functional and all
associated settings will be hidden. (The Setting Dependencies setting being set to
Disabled will make all settings visible but will not allow them to operate).
Enabled, Disabled Disabled
Gn Sensitive E/F
When set to Disabled, no Sensitive E/F elements will be functional and all
associated settings will be hidden. (The Setting Dependencies setting being set to
Disabled will make all settings visible but will not allow them to operate).
Enabled, Disabled Disabled
Gn Restricted E/F
When set to Disabled, no Restricted E/F elements will be functional and all
associated settings will be hidden. (The Setting Dependencies setting being set to
Disabled will make all settings visible but will not allow them to operate).
Enabled, Disabled Disabled
Gn NPS Overcurrent
When set to Disabled, no NPS Overcurrent elements will be functional and all
associated settings will be hidden. (The Setting Dependencies setting being set to
Disabled will make all settings visible but will not allow them to operate).
Enabled, Disabled Disabled

Siemens Argus 7SR22 Specifications

General

Type	Feeder Protection Relay
Frequency	50/60 Hz
Binary Outputs	Up to 8
Current Inputs	1 A or 5 A
Communication	Ethernet, RS485
Protocols	Modbus, DNP3
Protection Functions	Overcurrent, Earth Fault, Thermal Overload
Operating Temperature	-25 to +70 °C
Humidity	5 to 95% non-condensing