Data Acquisition Units (Dau) - Siemens SIMEAS R-PMU Manual

18

18.2 Data Acquisition Units (DAU)

18.2 Data Acquisition Units (DAU)
DAU types
Table 18-6
Type
VCDAU Recording of voltage,
current and binary signals
Recording of voltages and
VDAU
binary signals
CDAU Recording of currents and
binary signals
DDAU Recording of process
values and binary signals
BDAU Recording of binary signals
Measured value processing of the DAU types (in detail)
Table 18-7
Type
VCDAU Voltage measuring range AC 1.5 V to AC 200 V
Accuracy
Frequency behaviour: 3 Hz to 5,500 Hz (5 %)
Voltage measuring range AC 3 V to AC 400 V
Accuracy *: ±0.25 % of measured value ±30 mV
Frequency behaviour: 3 Hz to 5,500 Hz (5 %)
Entire current measuring range:
AC 5 mA to AC 400 A
Current measuring range AC 5 mA to AC 7 A
Accuracy *: ±0.5 % of measured value ±0.5 mA
Frequency behaviour: 3 Hz to 5,500 Hz (5 %)
Current measuring range: >AC 7 A to AC 200 A
Accuracy *: ±1.5 % of measured value ±100 mA
Frequency behaviour: 0 Hz to 5,500 Hz (5 %)
Current measuring range >AC 200 A to AC 400 A
Accuracy *: ±3.5 % of measured value
Frequency behaviour: 0 Hz to 5,500 Hz (5 %)
264
DAU types
Application
Measuring ranges and important parameters (without binary inputs)
Measuring ranges / accuracy
*
: ±0.25 % of measured value ±30 mV
Number of channels
- 8 analog (4 voltage V:
and 4 current) I:
- 16 binary binary: Table 18-8
- 8 analog (voltage) V:
- 16 binary binary: Table 18-8
- 8 analog (current) I:
- 16 binary binary: Table 18-8
- 8 analog (8 voltage V:
or 8 current)
- 16 binary I:
binary: Table 18-8
- 32 binary binary: Table 18-8
Impedance: >100 kΩ
Overvoltage: 300 V max. for 5 s
Impedance: >200 kΩ
Overvoltage: 600 V max. for 5 s
Digital Fault Recorder, SIMEAS R-PMU, Manual
E50417-H1076-C360-A5, Release 10.2012
Measuring ranges
(overview)
AC 1.5 V to AC 400 V
AC 5 mA to AC 400 A
AC 1.5 V to AC 400 V
AC 5 mA to AC 400 A
DC ±1 V / DC ±10 V
(>40 kΩ / >400 kΩ)
DC ±20 mA (50 Ω)
Parameters