Power Quality Functions; General Functions; Standard Functions - ABB REC 523 Technical Reference Manual

REC 523
5.1.5.
5.1.6.
5.1.7.
22
Remote Monitoring and Control Unit
Technical Reference Manual

Power quality functions

The power quality function blocks are documented on the CD-ROM, Technical
Descriptions of Functions, refer to Section 1.8. Related documents.
Table 5.1.5-1 Power quality functions available for REC 523
Function Description
Current waveform distortion measurement
a
PQCU3H
Voltage waveform distortion measurement
a
PQVO3H
a. This function is only supported in the REC 523 software revision D, or later.

General functions

The general function blocks ar
Descriptions of Functions, refer to Section 1.8. Related documents.
Table 5.1.6-1 General functions for REC 523
Function Description
INDRESET Resetting of operation indicators, latched output signals, registers
and waveforms, that is, the disturbance recorder
SWGRP1... Switchgroup SWGRP1...20
SWGRP20

Standard functions

Standard functions are used for logics, such as interlocking, alarming and control
sequencing. The use of logic functions is not limited and the functions can be
interconnected with each other and with control, measurement, condition
monitoring and other standard functions. In addition, the digital inputs and outputs
as well as the LON inputs and outputs can be connected to standard functions by
using the Relay Configuration Tool.
The standard functions are documented on the CD-ROM, Technical Descriptions of
Functions, refer to Section 1.8. Related documents.
Table 5.1.7-1 Standard functions available for REC 523
Function Description
ABS Absolute value
ACOS Principal arc cosine
ADD Extensible adder
AND Extensible AND connection
ASIN Principal arc sine
ATAN Principal arc tangent
BITGET Get one bit
BITSET Set one bit
BOOL_TO_* Type conversion from BOOL to WORD / USINT / UINT / UDINT /
SINT / REAL / INT / DWORD / DINT / BYTE
BOOL2INT Type conversion from BOOL inputs to INT output
BYTE_TO_* Type conversion from BYTE to WORD / DWORD
COMH Hysteresis comparator
COS Cosine in radians
e documented on the CD-ROM, Technical
1MRS750881-MUM