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Eastron SDM530-Modbus User Manual
SDM530-Modbus
Three Phase Multi-function DIN rail meter
Measures kWh Kvarh, KW, Kvar, KVA, P,
F, PF, Hz, dmd, V, A, etc.
Bi-directional measurement IMP & EXP
Two pulse outputs
RS485 Modbus
Din rail mounting 35mm
100A direct connection
Better than Class 1 / B accuracy
- 1 -
USER MANUAL
2015 V1.5
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Table of Contents
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Summary of Contents for Eastron SDM530-Modbus
- Page 1 Eastron SDM530-Modbus User Manual SDM530-Modbus Three Phase Multi-function DIN rail meter Measures kWh Kvarh, KW, Kvar, KVA, P, F, PF, Hz, dmd, V, A, etc. Bi-directional measurement IMP & EXP Two pulse outputs RS485 Modbus ...
- Page 2 SDM530-Modbus 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.
- Page 3 Eastron SDM530-Modbus User Manual Start-up Screens The first screen lights up all display segments and can be used as a display check second screen indicates firmware installed in the unit and its build number. The interface performs a self-test and indicates the result if the test passes.
- Page 4 Eastron SDM530-Modbus User Manual Voltage and Current and Max Demand Each successive pressing of the button selects a new range: Phase to neutral voltages Phase to phase voltages Current on each phase Neutral current Maximum Current Demand Power and Frequency and Power factor...
- Page 5 Eastron SDM530-Modbus User Manual Instantaneous Active Power in kW When it’s exported, there will be a mark of minus “－”. Instantaneous Reactive Power in kVAr When it’s exported, there will be a mark of minus “－”. Instantaneous Volt-amps in KVA When it’s exported, there will be a mark...
- Page 6 Eastron SDM530-Modbus User Manual Maximum Power Demand Energy Measurements Each successive short pressing (lasting less than 3s) of the button selects a new range: Total active energy in kWh Total kWh=imported +exported (kWh) Total Imported active energy in kWh Total Exported active energy in kWh...
- Page 7 Eastron SDM530-Modbus User Manual Imported reactive energy in kVArh Exported reactive energy in kVArh Set-up To enter set-up mode, long pressing the button for 3 seconds, until the password screen appears. Setting up is password-protected so you must enter the correct password (default ‘1000’) before processing.
- Page 8 Eastron SDM530-Modbus User Manual 3) If an item flashes, then it can be adjusted by the buttons. If not, there maybe a further layer. 4) Having selected an option from the current layer, press to confirm your selection. The SET indicator will appear.
- Page 9 Eastron SDM530-Modbus User Manual to set the first digit and press confirm your selection. The next digit will flash. Repeat the procedure for the remaining three digits After setting the last digit, SET will show. Press to exit the number setting routine and return to the Set-up menu. SET will...
- Page 10 Eastron SDM530-Modbus User Manual buttons to select the time required. Press confirm selection. SET indicator will appear. Press to exit the DIT selection routine and return to the menu. Backlit set-up The backlit lasting time is settable Default lasting time is 60minutes For example, if it’s set as 5, the backlit...
- Page 11 Eastron SDM530-Modbus User Manual From the Set-up menu, use buttons to select the Pulse output option. Press to enter the selection routine. The unit symbol will flash. buttons to choose kWh or kVArh. On completion of the entry procedure, press to confirm the setting and press to return to the main set up menu.
- Page 12 Eastron SDM530-Modbus User Manual Press to enter the selection routine. The current setting will flash. Default is DFt(0.025kWh/kVArh) buttons to choose pulse rate. On completion of the entry procedure, press to confirm the setting and press to return to the main set up menu.
- Page 13 Eastron SDM530-Modbus User Manual Scroll display From the Set-up menu, use buttons to select the Pulse scroll display option. Press to enter the selection routine. The current setting will flash. The options can be:1 to255 Seconds Default is 255s buttons to choose interval of scroll display. On completion of...
- Page 14 Eastron SDM530-Modbus User Manual Press button to enter the selection routine. The current setting will be flashing. buttons to choose Modbus Address(001 to 247) On completion of the entry procedure, press button to confirm the setting and press button to return the main set-up menu.
- Page 15 Eastron SDM530-Modbus User Manual to return to the main set up menu. Parity From the Set-up menu, use buttons to select the Parity option. Press to enter the selection routine. The current setting will flash. buttons to choose Parity (EVEN / ODD / NONE)
- Page 16 Eastron SDM530-Modbus User Manual Press to enter the selection routine. The current setting will flash. buttons to choose Stop Bit (2 or 1) Default is 1. On completion of the entry procedure, press to confirm the setting and press to return to the main set up menu.
- Page 17 Eastron SDM530-Modbus User Manual supply. Voltage and Current Phase to neutral voltages 176 to 274V a.c. Power factor and Frequency and Max. Demand Frequency in Hz Instantaneous power: Power 0 to 8500 W Reactive Power 0 to 8500 VAr Volt-amps 0 to 8500 VA...
- Page 18 Eastron SDM530-Modbus User Manual The pulse constant can be set to generate 1 pulse per: DFt=25 Wh/VArh 0.01 = 10 Wh/VArh 0.1 = 100 Wh/VArh 1 = 1 kWh/kVArh 10=10Wh/kVArh 100 = 100 kWh/kVArh Pulse width: 200/100/60ms Pulse output 2 is non-configurable. It is fixed up with active kWh. The constant is 400imp/kWh.
- Page 19 Eastron SDM530-Modbus User Manual Dimensions Wiring diagram - 19 -...