Siemens SENTRON VL Series

Data library
8.5 Function classes
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
193
8.5.11 Parameters of the SENTRON circuit breakers (extended protection function)
The table below contains the parameters of the SENTRON circuit breakers (extended
protection function):
Table 8- 11 Parameters of the SENTRON circuit breakers (extended protection function)
Description Data
point
Source
WL
Source
VL
Format Length
(bits)
Scaling Contained in
DS.Byte
Current unbalance 139 Meter. fct. ETU unsigned
char
8 0 DS128.41
Delay time for current unbalance 140 Meter. fct. — unsigned
char
8 0 DS128.42
Active power in normal direction 141 Meter. fct. — unsigned
int
16 0 DS128.14
Delay time for active power in normal
direction
142 Meter. fct. — unsigned
char
8 0 DS128.18
Active power in reverse direction 143 Meter. fct. — unsigned
int
16 0 DS128.16
Delay time for active power in reverse
direction
144 Meter. fct. — unsigned
char
8 0 DS128.19
Underfrequency 147 Meter. fct. — unsigned
int
16 0 DS128.22
Delay time for underfrequency 148 Meter. fct. — unsigned
char
8 0 DS128.25
Overfrequency 149 Meter. fct. — unsigned
int
16 0 DS128.26
Delay time for overfrequency 150 Meter. fct. — unsigned
char
8 0 DS128.24
Voltage unbalance 151 Meter. fct. — unsigned
char
8 0 DS128.32
Delay time for voltage unbalance 152 Meter. fct. — unsigned
char
8 0 DS128.33
Undervoltage 153 Meter. fct. — unsigned
int
16 0 DS128.34
Delay time for undervoltage 154 Meter. fct. — unsigned
char
8 0 DS128.38
Overvoltage 155 Meter. fct. — unsigned
int
16 0 DS128.36
Delay time for overvoltage 156 Meter. fct. — unsigned
char
8 0 DS128.39
THD of current 158 Meter. fct. — unsigned
char
8 0 DS128.28
Delay time of THD of current 159 Meter. fct. — unsigned
char
8 0 DS128.29