IEC 61850/
Function block
name
ANSI Function description Transformer
RET650 (A01)
2W/1CB
RET650 (A05)
3W/1CB
RET650 (A07)
OLTC
GUPPDUP 37 Directional underpower protection 1 1 2
GOPPDOP 32 Directional overpower protection 1 1 2
DNSPTOC 46 Negative sequence based overcurrent function 1 2
Voltage protection
UV2PTUV 27 Two step undervoltage protection 1 1 2
OV2PTOV 59 Two step overvoltage protection 1 1 2
ROV2PTOV 59N Two step residual overvoltage protection 1 1 2
OEXPVPH 24 Overexcitation protection 1
Frequency protection
SAPTUF 81 Underfrequency function 4 4 4
SAPTOF 81 Overfrequency function 4 4 4
SAPFRC 81 Rate-of-change frequency protection 2 2 4
2.3 Control and monitoring functions
IEC 61850/Function
block name
ANSI Function description Transformer
RET650 (A01)
2W/1CB
RET650 (A05)
3W/1CB
RET650 (A07)
OLTC
Control
QCBAY Bay control 1 1 1
LOCREM Handling of LR-switch positions 1 1 1
LOCREMCTRL LHMI control of Permitted Source To Operate (PSTO) 1 1 1
TR8ATCC 90 Automatic voltage control for tap changer, parallel control 1 1 2
TCMYLTC 84 Tap changer control and supervision, 6 binary inputs 1 1 2
SLGGIO Logic Rotating Switch for function selection and LHMI
presentation
15 15 15
VSGGIO Selector mini switch extension 20 20 20
DPGGIO IEC 61850 generic communication I/O functions double
point
16 16 16
SPC8GGIO Single point generic control 8 signals 5 5 5
AUTOBITS AutomationBits, command function for DNP3.0 3 3 3
I103CMD Function commands for IEC60870-5-103 1 1 1
I103IEDCMD IED commands for IEC60870-5-103 1 1 1
Table continues on next page
Section 2 1MRK 504 126-UEN -
Available functions
14
Commissioning Manual