IEC 61850 or
Function name
ANSI
Function description
Transformer
RET650
RET650 (A01) 2W/1CB
RET650 (A05) 3W/1CB
RET650 (A07) OLTC
CCRBRF
50BF
Breaker failure protection, 3–phase activation and
output
0–3
2
3
CCRPLD
52PD
Pole discordance protection
0–3
2
3
GUPPDUP
37
Directional underpower protection
0–2
1
1
2
GOPPDOP
32
Directional overpower protection
0–2
1
1
2
DNSPTOC
46
Negative sequence based overcurrent function
0–2
1
2
Voltage protection
UV2PTUV
27
Two step undervoltage protection
0–2
1
1
2
OV2PTOV
59
Two step overvoltage protection
0–2
1
1
2
ROV2PTOV
59N
Two step residual overvoltage protection
0–2
1
1
2
OEXPVPH
24
Overexcitation protection
0–1
1
1
Frequency protection
SAPTUF
81
Underfrequency function
0–4
4
4
4
SAPTOF
81
Overfrequency function
0–4
4
4
4
SAPFRC
81
Rate-of-change frequency protection
0–4
2
2
4
2.3
Control and monitoring functions
IEC 61850 or Function
name
ANSI
Function description
Transformer
RET650
RET650 (A01) 2W/1CB
RET650 (A05) 3W/1CB
RET650 (A07) OLTC
Control
TR8ATCC
90
Automatic voltage control for tap changer,
parallel control
0–2
1
1
2
TCMYLTC
84
Tap changer control and supervision, 6 binary
inputs
0–2
1
1
2
SLGGIO
Logic Rotating Switch for function selection
and LHMI presentation
15
15
15
15
VSGGIO
Selector mini switch
20
20
20
20
DPGGIO
IEC 61850 generic communication I/O
functions double point
16
16
16
16
SPC8GGIO
Single point generic control 8 signals
5
5
5
5
AUTOBITS
AutomationBits, command function for
DNP3.0
3
3
3
3
I103CMD
Function commands for IEC60870-5-103
1
1
1
1
Table continues on next page
Section 2
1MRK 504 135-UEN A
Available functions
36
Technical manual
Summary of Contents for ret650
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