Mscdn-Mp2A Relay Setting List; System Config Menu; Ct/Vt Config Menu; Thermal Menu - Siemens 7SG23 MSCDN – MP2A Manual

1 MSCDN-MP2A Relay Setting List

1.1 System Config Menu

Description
Active Group
Selects which settings group is currently activated
View/Edit Group
Selects which settings group is currently being displayed
Default Screens Timer
Selects the time delay after which, if no key presses have
been detected, the relay will begin to poll through any
screens which have been selected as default instruments
screens
Backlight timer
Controls when the LCD backlight turns off
Date
Time
Clock Sync. From Status
Real time clock may be synchronised using a status input
(See Clock Sync. in Status Input Menu)
Operating Mode
To allow access to change configuration files using Reylogic
Toolbox the relay must be placed Out Of Service.
Change Password
Allows a 4 character alpha code to be entered as the
password. Note that the display shows a password
dependant encrypted code on the second line of the display
Relay Identifier
An alphanumeric string shown on the LCD normally used to
identify the circuit the relay is attached to or the relays
purpose

1.2 CT/VT Config Menu

Description
R1 Input
Selects whether 1 or 5 Amp terminals are being used for
resistor 1
R1 CT Ratio
Resistor R1 CT ratio to scale primary current instruments
R2 Input
Selects whether 1 or 5 Amp terminals are being used for
resistor 2
R2 CT Ratio
Resistor R2 CT ratio to scale primary current instruments

1.3 Thermal Menu

Description
Gn R1 49 Thermal Overload
Selects whether the thermal overload protection element is
enabled for Resistor R1
Gn R1 49 Overload Setting
Pickup level
Gn R1 49 Time Constant
Thermal time constant
Gn R1 49 Capacity Alarm
Selects whether thermal capacity alarm enabled
R1 49 Reset Therm State
Control that allows thermal state to be manually reset
Gn R2 49 Thermal Overload
Selects whether the thermal overload protection element is
enabled for Resistor R2
Gn R2 49 Overload Setting
Pickup level
Gn R2 49 Time Constant
Thermal time constant
Gn R2 49 Capacity Alarm
Selects whether thermal capacity alarm enabled
R2 49 Reset Therm State
Control that allows thermal state to be manually reset
©2010 Siemens Protection Devices Limited
Range
1,2...4
1,2...4
OFF, 1,2,5,10,15,30,60
min
OFF, 1,2,5,10,15,30,60
min
Date
Time
Disabled,
Seconds,Minutes
Local, Remote, Local Or
Remote, Out Of Service
AAAA...ZZZZ
Up to 16 characters
Range
1,5 A
1:0.2...5000:7
1,5 A
1:0.2...5000:7
Range
Disabled, Enabled
0.1,0.11...3 xIn
1, 2...10000 s
Disabled, 50,51...100 %
NO, YES
Disabled, Enabled
0.1,0.11...3 xIn
1, 2...10000 s
Disabled, 50,51...100 %
NO, YES
MSCDN – MP2A Relay Settings
Default
1
1
60 min
5 Min
1/1/1980
00:00:00
Minutes
Local Or Remote
"NONE" displayed as
"NOT ACTIVE"
MSCDN-MP2A
Default
1 A
2000:1
1 A
2000:1
Default
Disabled
1.05 xIn
10 s
Disabled
NO
Disabled
1.05 xIn
10 s
Disabled
NO
Chapter 3 Page 3 of 14
Setting
Setting
Setting