ABB RELION REX640 Technical Manual page 1454

Measurement functions
Table 1378: Special conditions
Condition
U3P connected to real measurements
Improper analog channel configuration causes a validation error if the analog
channels are not completely configured or they do not match with certain settings.
For troubleshooting, check the content of this chapter and also the preprocessing
blocks in this document. The configuration can be written to the protection relay
once the mismatch is corrected.
8.1.6.5 Signals
VPHMMXU Input signals
Table 1379: VPHMMXU Input signals
Name
U3P
BLOCK
VPHMMXU Output signals
Table 1380: VPHMMXU Output signals
Name
HIGH_ALARM
HIGH_WARN
LOW_WARN
LOW_ALARM
U_INST_A
Table continues on the next page
1454
Description
The function requires that at least one volt-
age channel is connected if
ses is set to "1 out of 3".
The function requires that at least two volt-
age channels are connected if
phases is set to "2 out of 3".
The function requires that at least three volt-
age channels are connected if
phases is set to "3 out of 3".
Type Default
SIGNAL -
BOOLEAN 0=False
Type
BOOLEAN
BOOLEAN
BOOLEAN
BOOLEAN
FLOAT32
1MRS759142 F
Num of start pha-
Num of start
Num of start
Description
Three-phase voltages
Block signal for all bi-
nary outputs
Description
High alarm
High warning
Low warning
Low alarm
Phase A voltage instantane-
ous value amplitude in kV
REX640
Technical Manual