Key Features
- Power monitoring and quality measurement: Measuring device for power system quality measurement with voltage measurement, current measurement, active power measurement, reactive power measurement, power factor measurement, frequency measurement, and apparent energy/active energy/reactive energy.
- Communication interface: 2 Fast Ethernet interfaces with 2 x RJ45 and MODBUS TCP support.
- Display and operation: Color graphics TFT display with adjustable backlight, time-controlled reduction of backlight, adjustable contrast, and 4 keys.
- Electrical supply: Wide-range AC/DC power supply 95 to 250 V +-10% (AC), 110 to 270 V +-10% (DC).
- Installation and enclosure: 96 x 96 mm size with screw terminal connection, IP65 front protection class, and IP20 terminal protection class.
Applications
- Electrical power system quality measurement: Measurement of voltage, current, power, frequency, energy, and harmonics for power system quality monitoring.
- MODBUS TCP data communication: Transmission of measurement data through the Ethernet interface using MODBUS TCP.
Technical Summary
| Product type designation | 7KM PAC4220 |
|---|---|
| Product designation | Measuring device for power system quality measurement |
| Voltage measurement method | TRMS |
| Current measurement method | TRMS |
| Measurable line frequency | 45 Hz … 65 Hz |
| Supply voltage type | AC/DC |
| Supply voltage at AC | 95 … 250 V |
| Supply voltage at DC | 110 … 270 V |
| Power supply design | Wide-range power supply |
| Protection class on the front | IP65 |
| Number of Fast Ethernet interfaces | 2 |
| Ethernet connection | 2 x RJ45 |
| Supported Ethernet protocol | MODBUS TCP |
| Number of digital inputs | 2 |
| Number of digital outputs | 2 |
| Measurable supply voltage between the line conductors at AC maximum rated value | 690 V |
| Measurable supply voltage between (PE)N and L at AC maximum rated value | 400 V |
| Mounting position | vertical |
Frequently Asked Questions
What is Siemens 7KM4220-0BA01-1EA0?
It is a SENTRON PAC4220 measuring device for power system quality measurement.
Which communication interfaces does the 7KM4220-0BA01-1EA0 have?
It has 2 Fast Ethernet interfaces with 2 x RJ45 and supports MODBUS TCP.
What is the power supply range for the 7KM4220-0BA01-1EA0?
It uses an AC/DC wide-range power supply: 95 to 250 V +-10% (AC) and 110 to 270 V +-10% (DC).
What are the key mounting and size details for this device?
It is a 96 x 96 mm panel instrument with vertical mounting, 56 mm depth, and screw terminal connections.