Low Price Supply Rs485 Modbus Protocol Single phase Din Rail Electric Energy Meter (drs 205c)
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- Supplier: Shanghai Fengyilong Electronic Co. Ltd.
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Product Overview
Description
2014 New Forlong RS485 Modbus protocol single phase DIN Rail energy meter (DRS-205C)
Meter type | DRS-205C (LCD display) | ||
Digit length | 5+2 | ||
Nominal voltage(Un) | 230V AC | ||
110/120/127/240V AC (option) | |||
Operational voltage | (-15% ~ +10%)Un | ||
Insulation capabilities: | |||
- AC voltage withstand | 2KV for 1 minute | ||
- Impulse voltage withstand | 4KV – 1.2µS waveform | ||
Rated current (Ib) | 5A | ||
Maximum rated current (Imax) | 32A/45(option) | ||
Operational current range | 0.4% Ib- Imax | ||
Over current withstand | 30Imax for 0.01s | ||
Operational frequency range | 50/60Hz ±10% | ||
Internal power consumption | ≤2W / 10VA | ||
Test output flash rate (RED LED) | 1000/2000imp/kWh | ||
Pulse output rate (pins 20 & 21 | 1000/2000imp/kWh | ||
Consumption indicator (RED LED) | Flashing at load running | ||
Data store | The data can be stored for more than 20 years without power | ||
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1. Q:No light for the consumption indicator
A:Check switch or circuit-breaker and fuse or thermal cut-off.
A2:Reinstall terminal screws on the 1 and 4. Make sure all screws are fixed. Than there should be a 230V 50Hz AC voltage between the terminal screws on the 1 and 4 when power supply is input.
2. Q: No light for the consumption indicator.
A1:Only when load is running, this LED will flash.
A2;If the operating power is too low, the spacing interval of flashing will take some more time, this is why it seems like LED isn’t burning.
A3:Please contact your technical supporter to replace this meter.
3. Q:The register can’t run.
A1: Check that the power supply indicator is burning.
A2: If the operating power is too low, the spacing interval of the pulses will take some more time, this is why it seems like the meter won’t count.
A3: Please contact your technical supporter to replace this meter.
4. Q: No pulse output.
A: Check the external voltage source (Ui) is 5-27V DC.
A2: Check correct connecting:connect 5-27V DC to connector 20 (anode), and the signal wire (S) to connector 21 (cathode).
A3: Please contact your technical supporter to replace this meter.
5. Q: Pulse output rate wrong.
A: Please contact your technical supporter to replace this meter.
A:Check switch or circuit-breaker and fuse or thermal cut-off.
A2:Reinstall terminal screws on the 1 and 4. Make sure all screws are fixed. Than there should be a 230V 50Hz AC voltage between the terminal screws on the 1 and 4 when power supply is input.
2. Q: No light for the consumption indicator.
A1:Only when load is running, this LED will flash.
A2;If the operating power is too low, the spacing interval of flashing will take some more time, this is why it seems like LED isn’t burning.
A3:Please contact your technical supporter to replace this meter.
3. Q:The register can’t run.
A1: Check that the power supply indicator is burning.
A2: If the operating power is too low, the spacing interval of the pulses will take some more time, this is why it seems like the meter won’t count.
A3: Please contact your technical supporter to replace this meter.
4. Q: No pulse output.
A: Check the external voltage source (Ui) is 5-27V DC.
A2: Check correct connecting:connect 5-27V DC to connector 20 (anode), and the signal wire (S) to connector 21 (cathode).
A3: Please contact your technical supporter to replace this meter.
5. Q: Pulse output rate wrong.
A: Please contact your technical supporter to replace this meter.
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