【PM-1】 Power measurement terminal
Production information
PM-1 - Measuring networks flexibly and efficiently
Module PM-1 allows cost-effective measurement of relevant network variables in low and medium voltage networks for monitoring the power supply and loads on the primary systems. It also allows for measurement of characteristic values for voltage quality in accordance with DIN EN 50160 and provides basic data as per ISO 50001.
| ➨PM-1 | ➨PM-1-R | ➨PM-1-S |
| Power measurement terminal direct voltage measurement (400 V) or via VT 100/110 V Current measurement via CT 1/5 A |
Variant with Rogowski coils* as current transformer Voltage measurement as for PM-1 |
Variant with low signal sensors* for voltage and current |
- Application areas
- Local network stations
- Decentralised generation plants
- Systems with decentralised voltage distribution
- Industrial systems
Specifications
- Technical data: PM-1
| Design | Power measurement terminal for telecontrol and substation automation in micro-housing, polyamide V0, IP20, DIN top-hat rail installation |
| Network | Measurement in medium voltage networks Measurement in low voltage networks Four-conductor networks, three-conductor networks, single-phase |
| Current measurement | PM-1 4 current measurement inputs I1, I2, I3 IN TRMS, sampling frequency 8 kHz, error ±0.2% 0 … 1 A /5 A, overload max. 60 A (1 s), resolution 1 mA, load impedance 10 mΩ PM-1-R 0 ... 400 mV (4 kA primary, 50 Hz), resolution 24 µV (240 mA), imp. 490 kΩ PM-1-S 0 ... 225 mV, resolution 24 µV, load impedance 490 kΩ |
| Voltage measurement | PM-1 / PM-1-R 3 voltages U1, U2, U3 TRMS, sampling frequency 8 kHz, error ±0.2% 0 … 230 V AC, ULL calculated, resolution 30 mV, load impedance 1130 kΩ PM-1-S 0 ... 3.25/√3 V AC, ULL calculated, resolution 500 µV, load impedance 19.1 kΩ |
| Network variables | Frequency, 45 ... 66 Hz, resolution 0.01 Hz, average and phase-selective P, Q, S capacity, error ±0.5%, total and phase-selective Energy W, Wb errors ±0.5%, total and phase-selective THD, harmonics up to 63., errors ±2%, phase-selective |
| Data range | 46 measured values (among others) I, U, ULL, P, S, Q, W, Wb, f, PF, THD and temperature 9 Single-point information: Faults, energy direction, rotary field errors 8 Counter values for power measurement 3 Single commands for acknowledgement |
| Measurement accuracy | according to DIN EN 61557-12:2008 |
| Status indicators | LED in front plate for voltage, load, rotary fields and system status |
| Supply | Internal via TBUS 150 mA @ TBUS |
| Dielectric strength | 4 kV rated surge voltage, CAT III (300 V) |
| Temperature | internal measurement sensor -20° ... +100° C, errors ±1% |
| Standards | EMC: DIN EN 61000-6-2:2006, DIN EN 61000-6-4:2011 Insulation: DIN EN 60870-2-1:1997 |
| Housing | Micro housing, Polyamide V0, IP 20, dimensions 22.5×105×115 mm (W×H×D) DIN top-hat rail, DIN-EN 60715 TH35 Screw terminal MSTB, 0.2 to 2.5 mm2 |
| Ambient temperature | -20° C... +70° C |
| Relative humidity | < 95%, without condensation |
Ordering Information
| Telecontrol | |
| FW-5 | micro telecontrol station (Digital Input, Bluetooth, Relay, Analog) |
| FW-5-Gate | micro telecontrol station (Ethernet LAN TCP/IP, RS-485, RS-232) |
| FW-5-Gate-4G | RTU with 4G mobile radio modem (Ethernet LAN TCP/IP, RS-485, RS-232) |
| FW-50 | scalable RTU (4/7/14 slots, up to 224 digital I/O, 112 Analog I/O) |
| Substation Automation | |
| BCU-50 | Modular bay station controller (14 slots, up to 224 digital I/O*, 112 analog I/O* 6 LAN segments*) |
| Communication | |
| Remote I/O | Flexible bus extension, an FW-5 /FW-5-GATE Remote extension modules (EWB) of the FW-5 series |
| PM-1 | Power measurement terminal for telecontrol and substation automation in micro-housing, polyamide V0, IP20, DIN top-hat rail installation |