Fronius TS 5kA-3 - Page 45

Energy
Reactive energy accuracy
(EN IEC 62053-23)
Class 2
Response time after switch-on
(EN IEC 62053-21, EN IEC 62053-23)
< 5 s
kCT x kVT Maximum display Resolution
1 - 9.9 9 9 9 9 9 9 . 9 9 kWh / kvarh 10 Wh / varh
10 - 99.9 9 9 9 9 9 9 9 . 9 kWh / kvarh 100 Wh /
varh
100 - 999.9 9 9 9 9 9 9 9 9 kWh / kvarh 1 kWh / varh
≥ 1000 9 9 9 9 9 9 . 9 9 MWh / kvarh 10 kWh /
varh
Average power
Measured variable Effective power
Calculation Average value over set period of time
Integration time 5 / 8 / 10 / 15 / 20 / 30 / 60 minutes
Output
RS485 communication
Electrically isolated from input and auxiliary voltage
Standard RS485 - 3 conductors
Transmission Serial, asynchronous
Protocol Modbus RTU
Addresses 1 - 255
Number of bits 8
Stop bit 1
Parity bit None - even - odd
Baud rate 9600, 19200, 38400 bit/s
Response time ≤ 200 ms
Insulation (EN IEC 62052-11, EN IEC 62053-21)
Installation category III
Pollution degree 2
Insulation voltage 4 kV RMS
Impulse withstand voltage
Test circuit
4 kV 1.2/60 µs
Voltage input, current input, pulse
output, communication
Test voltage
Test circuit
2.75 kV RMS. 50 Hz/1 min
Voltage input, current input, pulse
output, communication
Test voltage
Test circuit
4 kV RMS. 50 Hz/1 min
All circuits and earth
45
EN