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Summary of Contents for Saci AR4DCT
- Page 1 AR4DCT DIN-rail Multi-function DC Power Meter User Manual...
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Page 2: Table Of Contents
3.2 I ................................4 NSTALLATION 3.3 W ..................................5 IRING ................................5 YPICAL WIRING 3.3.1 AR4DCT + MR4DCT + DIO-02 ......................... 5 4. OPERATION ................................8 4.1 P ..............................8 ANEL DESCRIPTION 4.2 I ........................8 NSTRUCTION FOR OPERATION KEYS 4.3 I... -
Page 3: Safety Instructions
AR4DCT are used to manage multi-circuit DC power supply such as photovoltaic combiner box. They can measure basic electrical variables such as voltage, current, power and energy of up to 33 DC circuits. AR4DCT can realize current measurement of 33 circuits at most, 4 digital inputs and 2 relay outputs. They also have over current alarm, over voltage alarm, under voltage alarm and DI linkage alarm functions. -
Page 4: Technical Parameter
Modbus-RTU protocol, communication speed 2400 ～ 38400bps, no check, odd check and cation RS485 port module even check optional Weight About 300g AR4DCT main module 72x90x63.5mm Mechanic MR4DC module 72x90x63.5mm Dimension al feature DIO-02 module 36x90x63.5mm IP protection Front case IP50... -
Page 5: Energy Metering
Rear case IP20 Working environment -25～70℃ Storage environment -40～85℃ Rated humidity 5～93%（no condensation at 50℃） Pollution degree Environm Measurement type Between signal, power supply, output terminal and case resistance > 100MΩ condition Insulation Power supply and input > AC 3kV Power supply and output >... -
Page 6: Communication
STP. One piece of bus can be connected with 32 meters at most. The start and end terminals of bus can be connected with terminal resistance. 3. Installation and wiring 3.1 Dimension 3.1.1 AR4DCT main module dimension 63.5 3.1.2 MR4DCT module dimension 63.5 3.1.3 DIO-02 module dimension... -
Page 7: Wiring
3.3 Wiring Typical wiring 3.3.1 AR4DCT + MR4DCT + DIO-02 Other typical wiring... - Page 8 1. Auxiliary power supply：AC/DC (80～270)V 2. Rated current of fuse：0.5A 3. AR4DCT :Voltage input: input voltage should not be higher than 1500V; 4. Current input: input current should be connected via Hall sensor; 5. Please make sure the directions of voltage an current are same;...
- Page 9 Instruction for No. of wiring terminals are as follows, Power supply AC/DC Current signal 30-57 Current input Voltage signal 11,14 Voltage input Energy pulse output 47,48 Active energy pulse output RS485 communication 58,59 Corresponding to A and B Relay output 15—17 2 relay outputs, 16 is common end Digital input...
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Page 10: Operation
4. Operation 4.1 Panel description Indication light Display screen Keys Front panel includes three parts which are data display screen, LED power supply indication light and operation keys. 4.2 Instruction for operation keys Keys Measurement interface Programming interface Switch main interfaces Select a bit or modify an item 自检... -
Page 11: Setting
Show temperature value T =25.8 ºC Show time 2011-07-07 12:53:01 Overview of display interface Note: Temperature display interface is not available in AR4DC. 5. Setting User can check and set parameters 5.1 Programming mode Enter the programming mode On the measurement display interface, keep pressing “ ”... - Page 12 Setting operation: “ ” key is used to shift the menu and move the numerical value to left; “ ” key is used to shift the menu, increase or decrease the numerical value or move the decimal point; “ ” key is used to return; “ ”...
- Page 13 output Remote mode setting ～ Pulse width Unit 0.1s Over voltage/under voltage alarm Over current/under current 、 alarm Alarm item High temperature alarm ～ DI closed alarm ～ DI open alarm Alarm value Unit 0.1%(temperature range ～ percentage 100.0℃) Hysteresis value Unit 0.1%( temperature range ～...
- Page 14 5.2 System setting E.g. To set password to as 112, set cycle display interval as 6s, set backlight duration time as 60s, the operation process is as follows Menu >3s Enter programming interface, select system setting menu Change password to 112 Set cycle display interval as 6s Set backlight duration time as 60s Menu...
- Page 15 5.4 Alarm setting E.g. To set No. 1 relay output as over voltage alarm, set pulse width as 10.0s, set alarm value as 120.0%, set hysteresis value as 5.0%, set alarm delay as 1.0s, the operation process is as follows, Menu Enter programming interface, >3s...
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Page 16: Common Problems And Troubleshooting
5.5 Communication setting E.g. To set communication address as 2, set baud rate as 9600bps, set data format as odd check, the operation process is as follows, Menu Enter programming interface, >3s select communication setting menu Set meter address as 2 Set baud rate as 9600bps Set communication data format as O.8.1 odd check M e n u... -
Page 17: About Incorrect Power Running
Make sure the signal wire is connected correctly, for example the dotted terminals of current signal (i.e. inlet) as well as the phase sequence of each phase should be correct. Observe power display interface of the meter, and its power symbol is displayed positive under normal condition and negative only when it is under power generation condition which is caused by wrong connection of inlet-outlet lines.
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