Eastron SDM72D-M-2 Bedienungsanleitung
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Eastron SDM72D-M-1 User Manual V1.4
Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 Email: sales@eastrongroup.com
Address: No.52, Dongjin Road, Nanhu, Jiaxing, Zhejiang, 314000, China. Web: www.eastrongroup.com
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Measures active kWh & W.
Resettable partial energy
Bi-directional measurement IMP & EXP
Pulse Output
RS485 Modbus
Din rail mounting 35mm
Direct connection, up to 100A
Better than Class 1/ B accuracy
SDM72D-M-1
Three Phase Four Wire Energy Meter
User Manual V1.4
2023
Eastron SDM72D-M-1 User Manual V1.4
Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 Email: sales@eastrongroup.com
Address: No.52, Dongjin Road, Nanhu, Jiaxing, Zhejiang, 314000, China. Web: www.eastrongroup.com
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Introduction
The SDM72D-M-1 is digital 3 phase 4 wire energy meter with a white back-lighted LCD screen for perfect reading.
The unit measures and displays active energy (kWh) and power ( W), imported and exported. A resettable partial
energy is provided, so the user can easily check the energy imported and energy exported during a certain period.
SDM72D-M-1 supports max.100A direct connection, saves the cost and avoid the trouble to connect external CTs,
giving the unit a cost-effective and easy operation. Built-in interfaces provides pulse and RS485 Modbus RTU
outputs. Configuration is password protected.
PART 1 Specification
General Specifications
Voltage AC (Un) 3x230(400)V
Voltage Range 80~120% Un
Base Current (Ib) 10A
Max. Current (Imax) 100A
Mini Current (Imin) 0.5A
Starting current 0.4% of Ib
Power consumption
≤
2W/10VA
Frequency 50/60Hz(non-MID)
50Hz(MID)
AC voltage withstand 4KV for 1 minute
Impulse voltage withstand 6KV-1.2uS wavform
Overcurrent withstand 30 max for 0.01s
Pulse output rate 1000imp/kWh
Display LCD with backlit
Max. Reading 999999.9kWh
Active energy Class 1 IEC62053-21
Class B EN50470-1/3
Reactive energy Class 2 IEC62053-23
Unit Characteristics
The Unit can measure and display:
Power
Active energy (imported and exported)
Pulse output indicates real-time energy measurement. An RS485 output allows remote monitoring from another
display or a computer.
RS485 Serial Modbus RTU
–
–
–
––
This unit uses an RS485 serial port with Modbus RTU protocol to provide a means of remotely monitoring and
controlling the Unit.
Eastron SDM72D-M-1 User Manual V1.4
Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 Email: sales@eastrongroup.com
Address: No.52, Dongjin Road, Nanhu, Jiaxing, Zhejiang, 314000, China. Web: www.eastrongroup.com
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Set-up screens are provided for setting up the RS485 port.
Pulse output
The unit provides pulse output for active kWh. The Pulse output is passive type.
The pulse out is fixed up with total kWh. The constant is 1000imp/kWh.
RS485 Output for Modbus RTU
For Modbus RTU, the following RS485 communication parameters can be configured from the Set-up menu:
Baud rate 1200,2400, 4800, 9600(default),19200 bps
Parity none (default)/odd/even
Stop bits 1 or 2
Data bit 8
Max.Bus loading 64pcs
Communication distance 1000M
RS485 network address nnn – 3-digit number, 001 to 247
Modbus™ Word order Hi/Lo byte order is set automatically to normal or reverse. It cannot be configured
from the set-up menu.
Environment
Operating temperature -25 to +55 ( default), -40 to +70 (operational)℃ ℃ ℃ ℃
Storage and transportation temperature -40 to +70℃ ℃
Reference temperature 23 2℃± ℃
Operating humidity 0 to 90%, non-condensing
Storage humidity 0 to 95%, non-condensing
Altitude up to 2000m
Warm up time 3s
Installation category CAT III
Mechanical Environment M1
Electromagnetic environment E2
Degree of pollution 2
Electrostatic discharges 8kV contact/ 15kV air gap
Electromagnetic HF fields IEC 61000-4-3
Electrical fast transients 4kV
Surge 4kV
Radiated & conducted emissions EN 55022
Mechanics
Din rail dimensions 72x100x66 (WxHxD) DIN 43880
Mounting DIN rail 35mm
Sealing IP51 (indoor)
Material self-extinguishing UL94V-0
Insulating encased meter of protective class II
Produktspezifikationen
| Marke: | Eastron |
| Kategorie: | Messung |
| Modell: | SDM72D-M-2 |
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