Eastron SDM54-MB Bedienungsanleitung
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SDM54 Series Energy Meter User Manual
SDM54 Series
Smart Three Phase Energy Meter
USER MANUAL
2021 V1.2
SDM54 Series Energy Meter User Manual
1. Introduction
The SDM54 measures and displays the characteristics of single phase two wires (1p2w) and three phase four wires(3p4w)
supplies, including voltage, frequency, current, power, power factor, active and reactive energy, imported or exported.
Energy is measured in terms of kWh and kVArh. Maximum demand on power and current can be measured over preset
periods of up to 60 minutes. SDM54 supports max. 100A direct loads per phase, with dual tariff management availability.
The meter is designed for DIN-rail mounting, with IP51 front protection. The meter is optionally equipped with pulse
outputs, RS485 Modbus port or M-bus port. Configuration can also be done via keypad, which is password protected.
1.1
Unit Characteristics
The SDM54 Series are smart three phase energy meters, covering 3 models with following features and differences:
Model
Measurements
Outputs
Tariff Control
SDM54-M
kWh, kVarh, W, Var, VA, PF, Hz, V,
A, Max.dmd. Etc.
2x Pulse outputs; RS485 Modbus
Single tariff
SDM54-MB
kWh, kVarh, W, Var, VA, PF, Hz, V,
A, Max.dmd. Etc.
2x Pulse outputs; M-Bus
Single tariff
SDM54--2T
kWh, kVarh, W, Var, VA, PF, Hz, V,
A, Max.dmd. Etc.
2x Pulse outputs; RS485 Modbus
Double tariffs
1.2
RS485 Serial Modbus RTU
–
–
–
––
The RS485 serial port with Modbus RTU protocol provides a means of remotely monitoring and controlling the unit. Set-up
screens are provided for setting up the RS485 port. D/LT645 protocol is optionally available on request.
1.3
M-Bus
The M-Bus port complying with EN13757-3 protocol provides a means of remotely monitoring and controlling the meter.
Set-up screens are provided for setting up the M-Bus port.
1.4
Pulse outputs
Two pulse outputs that clock up the measured active and reactive energy. The constant of pulse output 2 for active energy
is 400imp/kWh (unconfigurable), its width is fixed at 100ms.
The default constant of configurable pulse output 1 is 400imp/kWh, default pulse width is 100ms. The configurable pulse
output 1 can be set from the set-up menu.
1.5
Double Tariffs
The meter has double tariffs function for the cost allocation management. There are two terminal to monitor voltage input
from external device. Once there are voltage detected within 230V (80~120%), the energy will be counted in another
registers.
SDM54 Series Energy Meter User Manual
2. Start-up Screens
1
The interface performs initial testing
2
The second screen indicates the software
version.
3
Meter serial number;
Modbus ID;
Baudrate info.
After a short delay, the screen will display active energy measurements.
3. Measurements
3.1
Buttons
There are two buttons on the front panel.
1
> Scroll the display for data-check.
> Change option at Set-up mode
> Exit the Set-up mode
2
> Set-up mode entry
> Confirmation
3.2
Measured parameters
Each successive pressing of the button shows different parameters measured:
1
Total kWh
Import kWh
Export kWh
Produktspezifikationen
| Marke: | Eastron |
| Kategorie: | Messung |
| Modell: | SDM54-MB |
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