Data Set Ds 128 Parameters Of The Metering Function And Extended Protection Function - Siemens SENTRON VL Series System Manual
Circuit breakers with communication capability - profibus
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8.6.19
Data set DS 128 parameters of the metering function and extended protection
function
The table below shows data set 128 via which the parameters of the metering function and
the extended protection function can be read out but also set. It also contains the
assignments of the configurable digital output module.
The table below contains the data sets DS128: Parameters of the metering function and the
extended protection function (length 103 bytes, read/write):
Table 8- 32
Content of data set 128
Byte
0
Header; value 0x00 00 00 00
4
The voltage transformer can be star or delta-
connected on the primary side
5
Reserved
6
Rated voltage of the system (on the primary side)
8
Secondary voltage of transformer
9
Length of period for calculating long-term mean
value
10
Number of sub-periods for calculating long-term
mean value
11
Reserved
12
Lower limit of power transmission
14
Active power in normal direction
16
Active power in reverse direction
18
Delay time for active power in normal direction
19
Delay time for active power in reverse direction
20
Normal direction of incoming supply
21
Direction of rotation of phase
22
Underfrequency
24
Delay time for overfrequency
25
Delay time for underfrequency
26
Overfrequency
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
Description
Data
Source
Source
point
WL
VL
—
COM15
COM20
162
Meter.
—
fct.
—
—
—
164
Meter.
—
fct.
165
Meter.
—
fct.
166
Meter.
—
fct.
167
Meter.
—
fct.
—
—
—
372
ETU
—
141
Meter.
—
fct.
143
Meter.
—
fct.
142
Meter.
—
fct.
144
Meter.
—
fct.
145
Meter.
—
fct.
146
Meter.
—
fct.
147
Meter.
—
fct.
150
Meter.
—
fct.
148
Meter.
—
fct.
149
Meter.
—
fct.
Data library
8.6 Data sets
Format
Length
Scaling
(bits)
—
32
—
Format
1
—
(162)
—
8
—
unsigned
16
0
int
unsigned
8
0
char
unsigned
8
0
char
unsigned
8
0
char
—
8
—
unsigned
16
0
int
unsigned
16
0
int
unsigned
16
0
int
unsigned
8
0
char
unsigned
8
0
char
Format
1
—
(145)
Format
1
—
(146)
unsigned
16
0
int
unsigned
8
0
char
unsigned
8
0
char
unsigned
16
0
int
235
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