7SR220 Settings Guide
Unrestricted ©2018 Siemens Protection Devices Limited Page 9 of 107
Description Range Default
Trip Alert
When Enabled the occurance of a Trip will cause the relay to
display the Trip Alert Screen, the only way to leave this screen
is by acknowledging the trip through the TEST/RESET button
on the relay fascia
Disabled, Enabled Enabled
General Alarm Alert Disabled, Enabled Enabled
Relay Identifier
An alphanumeric string shown on the LCD normally used to
identify the relay or the relays purpose
(16 Character String) ARGUS-M
7SR22
Circuit 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)
3.2. CT/VT Config
Description Range Default
Phase Nom Voltage
Selects the nominal voltage setting Vn of the voltage input
40, 40.1 ... 159.9, 160 63.5 V
Phase Voltage Trim Magnitude
Allows trimming of voltage magnitude, the setting value should
be the voltage required to be added to get back to Phase Nom
Voltage.
-20, -19.9 ... 19.9, 20 0 V
Phase Voltage Trim Angle
Allows trimming of voltage angle, the setting value is added to
the current voltage angle
-45, -44.9 ... 44.9, 45 0 deg
Phase Voltage Config
Required to allow for different types of physical VT connections.
Van,Vbn,Vcn, Vab,Vbc,3V0,
Va,Vb,Vc
Van,Vbn,Vcn
Phase VT Ratio Prim ( 6 Character String) 132000 V
Phase VT Ratio Sec 40, 40.5 ... 159.5, 160 110 V
Vx Nom Voltage
Selects the nominal voltage setting Vn of the voltage input
40, 40.1 ... 159.9, 160 63.5 V
Vx Voltage Trim Magnitude
Allows trimming of voltage magnitude, the setting value should
be the voltage required to be added to get back to Vx Nom
Voltage.
-20, -19.9 ... 19.9, 20 0 V
Vx Voltage Trim Angle
Allows trimming of voltage angle, the setting value is added to
the current voltage angle
-45, -44.9 ... 44.9, 45 0 deg C
Vx VT Ratio Prim ( 6 Character String) 132000 V
Vx VT Ratio Sec 40, 40.5 ... 159.5, 160 110 V
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) 1600 A
Phase CT Ratio Sec
Phase CT ratio to scale secondary current instruments
0.2, 0.21 ... 2, 2.1.....7 1
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