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D e lt a   M u lt i- C ir c u i t   P o w e r   M e t e r  D P M - M A11 2 1   U s e r   M a n u a l  

4 - 6  

    4 

 

Steps of setup are as follows: 

1. 

Press the ENTER key on the parameter page, the setting starts after the content flashes. 

2. 

Use UP and DOWN to select power unit. 

3. 

Press ENTER key to finish setting and back to next parameter page. 

 

Press LEFT key and hold 2 seconds to cancel input and return to the previous menu. 

 

4.1.4.4 Current Low Cut Setting (Locut) 

 

 

The current low cut shielding percentage setting, when the measured current value is lower than the set percentage, 
the current value is zero. Settable range 0.0%~100.00%. The default value is 0.4%. 

 

Steps of setup are as follows: 

1. 

Press ENTER on the parameter page and start setting after the number flashes. 

2. 

Press UP or DOWN to select the numeric. 

3. 

Press LEFT key move to next digit. 

4. 

Repeat step 2 to 3 until finishing setting, press ENTER key to save and return to the next parameter page. 

 

Press LEFT key and hold 2 seconds to cancel input and return to the previous menu. 

 

4.1.4.5 Energy Reset (TLrst) 

 

 

Reset all energy of power meter, the password is 2100. 

 

Steps of setup are as follows: 

1. 

Press ENTER on the parameter page and start setting after the number flashes. 

2. 

Press UP or DOWN to select the numeric. 

3. 

Press LEFT key move to next digit. 

4. 

Repeat step 2 to 3 until finishing 4-digits, press ENTER key to confirm clear and return to the next parameter 
page. 

 

Press LEFT key and hold 2 seconds to cancel input and return to the previous menu. 

 

4.1.4.6 Modify PASSWORD (PCode) 

 

 

Change user password, and the default value is 1000. 

 

Steps of setup are as follows: 

Summary of Contents for DPM-MA1121

Page 1: ...52 55 3603 9200 We reserve the right to change the information in this catalogue without prior notice EMEA Headquarters Delta Electronics Netherlands B V Sales Sales IA EMEA deltaww com Marketing Mark...

Page 2: ...Delta Multi Circuit Power Meter DPM MA1211 User Manual Revision History Version Revision Date 1s t The first version was published 2020 12 14...

Page 3: ......

Page 4: ...llation 3 1 Installation Method 3 2 3 1 1 Environment 3 2 3 1 2 Remind 3 2 3 2 Basic Test 3 2 3 3 Wiring Instructions 3 3 3 3 1 Circuit Wiring 3 3 3 3 2 Communication Property 3 4 Chapter 4 Operations...

Page 5: ...es of Abnormal Operations 6 1 Common Malfunction Analysis 6 2 6 1 1 Power Meter Does Not Work After Being Electrified 6 2 6 1 2 Voltage or Current Reading Is Incorrect 6 2 6 1 3 Power or Power Factor...

Page 6: ...1 1 1 Chapter 1 Product Overview Table of Contents 1 1 Foreword 1 2 1 2 Outward Instructions 1 2 1 3 Warning Criterion 1 3...

Page 7: ...ure corrosive gases and flammable gases When wiring please follow the wiring diagram to explain the construction The grounding project must be implemented and the grounding must be carried out in acco...

Page 8: ...s and doors have been returned to their original states Make sure there are no parts or tools left inside the device Wiring attention When using this device make sure the powered bus on the secondary...

Page 9: ...Delta Multi Circuit Power Meter DPM MA1121 User Manual 1 4 _1 MEMO...

Page 10: ...2 1 2 Chapter 2 Specifications Table of Contents 2 1 Electrical Specification 2 2 2 2 Communication Specification 2 3 2 3 Operation Interface 2 3 2 3 1 Interface Tree 2 4 2 4 Physical dimensions 2 6...

Page 11: ...e 0 C 60 C 32 F 140 F Storage Temperature 20 C 70 C 4 F 158 F Relative Humidity 0 80 RH Non condensing Altitude Below 2000 meters Display Screen display type LCD display Background light White backlig...

Page 12: ...F DOWN key Button Name General Mode Configuration Mode ENTER Into parameter setting Confirm the input and return to the previous page LEFT Loop quantity Version Running time quick inquiry Long press f...

Page 13: ...Delta Multi Circuit Power Meter DPM MA1121 User Manual 2 4 _2 2 3 1 Interface Tree Display UI interface tree MA1121...

Page 14: ...Chapter 2 Specifications 2 5 2_ Setting UI interface tree MA1121...

Page 15: ...Delta Multi Circuit Power Meter DPM MA1121 User Manual 2 6 _2 2 4 Physical Dimensions unit mm inch Rear view...

Page 16: ...pter 3 Installation Table of Contents 3 1 Installation Method 3 2 3 1 1 Environment 3 2 3 1 2 Remind 3 2 3 2 Basic Test 3 2 3 3 Wiring Instructions 3 3 3 3 1 Circuit Wiring 3 3 3 3 2 Communication pro...

Page 17: ...in accordance with the regulations or it will malfunction In order for the cooling loop to work well when installing the electric meter it is necessary to keep sufficient space between the upper and...

Page 18: ...sure voltage higher than the rated specification range that the device can carry 4 Measuring current Measuring the current requires the use of an external Hall sensor The recommended wiring material i...

Page 19: ...nication Protocols MODBUS RTU Parity N81 N82 O81 E81 Functional Code 03 06 10 Stop Bit 1 2 Communication property of RS 485 must be use twist pair The communication property D terminal of all devices...

Page 20: ...ify PASSWORD PCode 4 6 4 1 4 7 LCM Backlight BLight 4 7 4 1 4 8 Default Display Dsply 4 7 4 1 4 9 Number of Loops Loop 4 7 4 1 5 Communication Setting Comm Group 4 8 4 1 5 1 Address Addr 4 8 4 1 5 2 B...

Page 21: ...surement page press and hold the LEFT key for 2 seconds and return to the default page Summary Voltage Measurement DC voltage measurement parameters V1 Current Measurement Current measurement paramete...

Page 22: ...ergy PE2 Loop 3 positive energy PE3 Loop 4 positive energy PE4 Loop 5 positive energy PE5 Negative Energy Measurement Negative energy measurement parameters including Loop 1 negative energy NE1 Loop 2...

Page 23: ...word Enter Password The user of the power meter operates the password lock The default code is 1000 Steps of setup are as follows 1 Press ENTER to enter the password entry page on the meter default pa...

Page 24: ...save and return to the menu Press LEFT key and hold 2 seconds to cancel input and return to the previous menu 4 1 4 2 Current Unit I unt Current unit setting can select is 0 001A 0 01A 0 1A 1A The de...

Page 25: ...setting after the number flashes 2 Press UP or DOWN to select the numeric 3 Press LEFT key move to next digit 4 Repeat step 2 to 3 until finishing setting press ENTER key to save and return to the nex...

Page 26: ...page Press LEFT key and hold 2 seconds to cancel input and return to the previous menu 4 1 4 8 Default Display Dsply The default page of the power meter can be selected by Voltage V1 Loop 1 current I1...

Page 27: ...adcast is 255 The default value is 1 Steps of setup are as follows 1 Press ENTER on the parameter page and start setting after the number flashes 2 Press UP or DOWN to select the numeric 3 Press LEFT...

Page 28: ...ss the ENTER key on the parameter page the setting starts after the content flashes 2 Use UP and DOWN to select the format 3 Press ENTER key to finish setting and back to next parameter page Press LEF...

Page 29: ...digit 4 Repeat step 2 to 3 until finishing 4 digit setting press ENTER key to save and return to the next parameter page Press LEFT key and hold 2 seconds to cancel input and return to the previous m...

Page 30: ...he meter restarts when the ENTER key is pressed to confirm Press LEFT key and hold 2 seconds to cancel input and return to the previous menu 4 2 Block Transfer Function This function is mainly to allo...

Page 31: ...energy 18 Loop 2 negative energy 19 Loop 3 negative energy 20 Loop 4 negative energy 21 Loop 5 negative energy The time parameters required for the data logging function are as Table 4 2 Table 4 2 MO...

Page 32: ...between the start time and the end time Note Condition setting recording function enable etc must be done before using the data logging function Any incomplete or incorrect settings will result in the...

Page 33: ...Current Unit Power Unit Year Month Hi Lo Hi Lo Hi Lo Hi Lo Hi Lo 01h 03h 30h 00h 00h 00h 01h 00h 02h 07h E1h 00h 0Ch Day Hour Minute Second Data CRC Hi Lo Hi Lo Hi Lo Hi Lo Lo Hi 00h 01h 00h 0Dh 00h...

Page 34: ...5 1 5 Chapter 5 Parameters and Functions Table of Contents 5 1 Overview of Parameters 5 2...

Page 35: ...ord W 2 R 7 400008 Loop 2 power 32768 32767 word W 2 R 8 400009 Loop 3 power 32768 32767 word W 2 R 9 400010 Loop 4 power 32768 32767 word W 2 R A 400011 Loop 5 power 32768 32767 word W 2 R B 400012 L...

Page 36: ...remaining time 0 65535 word 2 R MODBUS Address Item Range Data Type Unit Data Size BYTE Read R Write W Hex Modicom Format 2 System Parameters 0x47 0x50 47 400072 Hall sensor primary current 1 9999 wo...

Page 37: ...ative energy 18 Loop 3 Negative energy 19 Loop 4 Negative energy 20 Loop 5 Negative energy 4E 400079 Reserved 4F 400080 Memory status 0 OK 1 FRAM NG 2 FLASH NG 3 FRAM FLASH NG word 2 R 50 400081 Energ...

Page 38: ...d 2 R W 80 400129 Month 1 12 word 2 R W 81 400130 Date 1 31 word 2 R W 82 400131 Time 0 23 word 2 R W 83 400132 Minute 0 59 word 2 R W 84 400133 Second 0 59 word 2 R W MODBUS Address Item Range Data T...

Page 39: ...r of unread datas 0 65535 word 2 R 202 400515 Log read Read the next record if no data returned error code 0x20 word 2 R 203 400516 Reading status code 0 Clear all record datas Reset reading index 1 A...

Page 40: ...ower 8 Loop 2 power 9 Loop 3 power 10 Loop 4 power 11 Loop 5 power 12 Loop 1 Positive energy 13 Loop 2 Positive energy 14 Loop 3 Positive energy 15 Loop 4 Positive energy 16 Loop 5 Positive energy 17...

Page 41: ...t A 4 R 7003 428676 7004 428677 Loop 2 current 9999 9999 Float A 4 R 7005 428678 7006 428679 Loop 3 current 9999 9999 Float A 4 R 7007 428680 7008 428681 Loop 4 current 9999 9999 Float A 4 R 7009 4286...

Page 42: ...428701 Loop 4 Positive energy 0 99999 9 Float kWh 4 R 701D 428702 701E 428703 Loop 5 Positive energy 0 99999 9 Float kWh 4 R 701F 428704 7020 428705 Loop 1 Negative energy 0 99999 9 Float kWh 4 R 7021...

Page 43: ...ing 2 word 2 R 109 400266 Block Transfer reading 10 word 2 R 113 400276 Block Transfer reading 20 word 2 R MODBUS Address Item Range Data Type Unit Data Size BYTE Read R Write W Hex Modicom Format 11...

Page 44: ...Malfunction Analysis 6 2 6 1 1 Power Meter doesn t Work after It s Electrified 6 2 6 1 2 Voltage or Current Reading Is Incorrect 6 2 6 1 3 Power or Power Factor Reading Is Incorrect but Voltage and C...

Page 45: ...t but Voltage and Current Reading Are Correct Compare voltage and current inputs to the actual wiring and wiring diagrams and check the phase relationship is correct 6 1 4 RS 485 Communication Is Unus...

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