Name
Type
Default
Description
BIERR
BOOLEAN
0
Error bit from tap changer for the tap position
B1
BOOLEAN
0
Bit 1 from tap changer for the tap position
B2
BOOLEAN
0
Bit 2 from tap changer for the tap position
B3
BOOLEAN
0
Bit 3 from tap changer for the tap position
B4
BOOLEAN
0
Bit 4 from tap changer for the tap position
B5
BOOLEAN
0
Bit 5 from tap changer for the tap position
B6
BOOLEAN
0
Bit 6 from tap changer for the tap position
MA
REAL
0
mA from tap changer for the tap position
Table 231:
TCMYLTC Output signals
Name
Type
Description
YLTCOUT
GROUP SIGNAL
Group connection to ATCCIN
URAISE
BOOLEAN
Raise voltage command to tap changer
ULOWER
BOOLEAN
Lower voltage command to tap changer
HIPOSAL
BOOLEAN
Alarm for tap in the highest volt position
LOPOSAL
BOOLEAN
Alarm for tap in the lowest volt position
POSERRAL
BOOLEAN
Alarm that indicates a problem with the position
indication
CMDERRAL
BOOLEAN
Alarm for a command without an expected position
change
TCERRAL
BOOLEAN
Alarm for none or illegal tap position change
POSOUT
BOOLEAN
Tap position outside range
CONVERR
BOOLEAN
General tap position conversion error
NEWPOS
BOOLEAN
A new tap position is reported, 1 sec pulse
HIDIFPOS
BOOLEAN
Tap position has changed more than one position
INVALPOS
BOOLEAN
Last position change was an invalid change
12.3.3.4
Settings
Table 232:
TCMYLTC Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation Off / On
tTCTimeout
1 - 120
s
1
5
Tap changer constant time-out
tPulseDur
0.5 - 10.0
s
0.1
1.5
Raise/lower command output pulse
duration
Section 12
1MRK 504 135-UEN A
Control
340
Technical manual
Summary of Contents for ret650
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