ABB RELION 620 Series Technical Manual page 772

Section 9
Control functions
9.3.9
9.4
9.4.1
9.4.2
9.4.3
766
Technical data
Table 551: 25 Technical data
Characteristic
Operation accuracy
Reset time
Reset ratio
Trip time accuracy in definite time mode
Generic up-down counters CTR
Identification
Function description
Generic up-down counters
Function block
GUID-222CC574-D72D-4426-876C-526D7C264C1E V1 EN
Figure 392: Function block
Functionality
The multipurpose generic up-down counter function CTR counts up or down for each
positive edge of the corresponding inputs. The counter value output can be reset to zero or
preset to some other value if required.
Value
Depending on the frequency of the voltage
measured: f ±1 Hz
n
Voltage:
±3.0% of the set value or ±0.01 × U
Frequency:
±10 mHz
Phase angle:
±3°
<50 ms
Typically 0.96
±1.0% of the set value or ±20 ms
IEC 61850 IEC 60617
identification identification
UDFCNT CTR
1MAC504801-IB E
n
ANSI/IEEE C37.2
device number
CTR
620 series ANSI
Technical Manual