Siemens SENTRON PAC3120 - Measurement Accuracy and Supply Voltage

PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
95
Technical data
10
10.1 Technical data
Device configuration
● 2 opto-isolated digital inputs
● 2 opto-isolated digital outputs
● 1 RS485 interface for connecting to a PC or network (PAC3120 only)
● 2 Ethernet interfaces for connecting to a PC or network (PAC3220 only)
Measurement
Only for connection to AC voltage systems.
Measurement
Measuring method Voltage measurement True RMS measurement (TRMS),
zero blind measurement, gapless
Current measurement True RMS measurement (TRMS),
zero blind measurement, gapless
Measured value acquisition
• Power
• Frequency
• Power factor
• cos φ
Zero blind measurement, gapless
Waveform
Sinusoidal or distorted
Frequency of the relative fundamental
50/60 Hz
Measured value acquisition mode
Automatic line frequency detection