Siemens SIPROTEC 7SJ61 - Description; Setting Notes; Information List

Functions
2.17 Auxiliary Functions
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
233
2.17.6.1 Description
Limit Value Monitoring
Ex works, the following individual limit value levels are configured:
• IAdmd>: Exceeding a preset maximum average value in Phase A.
• IBdmd>: Exceeding a preset maximum average value in Phase B.
• ICdmd>: Exceeding a preset maximum average value in Phase C.
• I1dmd>: Exceeding a preset maximum average positive sequence current.
• IL<: Falling below a preset current in any phase.
2.17.6.2 Setting Notes
Setpoints for Measured Values
Setting is performed in the DIGSI Configuration Matrix under Settings, Masking I/O (Configuration Matrix).
Set the filter "Measured and Metered Values Only" and select the configuration group "Setpoints (LV)". Here,
default settings may be changed or new setpoints defined.
Settings must be applied in percent and usually refer to nominal values of the device.
2.17.6.3 Information List
No. Information Type of In-
formation
Comments
- I Admd> LV I A dmd>
- I Bdmd> LV I B dmd>
- I Cdmd> LV I C dmd>
- I1dmd> LV I1dmd>
- 37-1 LV 37-1 under current
273 SP. I A dmd> OUT Set Point Phase A dmd>
274 SP. I B dmd> OUT Set Point Phase B dmd>
275 SP. I C dmd> OUT Set Point Phase C dmd>
276 SP. I1dmd> OUT Set Point positive sequence I1dmd>
284 SP. 37-1 alarm OUT Set Point 37-1 Undercurrent alarm