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3. Installation of Frequency Inverter

EM12-SP User Manual

3.4.2 Control Circuit Terminal Layout

10V

AI1

AO1

485+

DI1

DI2

DI3

DI4

DI5

HDI

GND

AI2

AO2

485-

GND COM CME COM +24V COM

DO1 COM

Diagram3-3 EM12-SP control circuit terminal sketch diagram

3.4.3 Description of control circuit terminals

Type

Terminal

Symbol

Terminal Name

Terminal function description

Power

Supply

+10V-GND

Ex10V

power supply

P10V power supply to external unit. Maximum
output current:10Ma

Generally, it provides power supply to external
potentiometer with resistance range of 1

kΩ

5kΩ

+24V-COM

Ex24V

power supply

P24 V power supply to external unit. Generally, it
provides power supply to DI/DO terminals and external
sensors. Maximum output current: 200 mA

PLC

External power

supply input

terminals

It connect with +24V default

Analog

input

AI1-GND

Analog input

terminal 1

1. Input range: DC 0V~10V/ 0mA~20mA, decided by

jumper JP2 on the control board

2. Impedance: 22 kΩ (voltage input), 500 Ω (current input)

AI2-GND

Analog input

terminal 2

1. Input range: DC 0V~10V/ 0mA~20mA, decided by
jumper JP3 on the control board

2. Impedance: 22 kΩ (voltage input), 500 Ω (current

input)

Digital

input

DI1

Digital input 1

1. Optical coupling isolation, compatible with dual polarity
input

2.Input

Impedance: 2.4 kΩ

3. Voltage range for level input: 9V~30 V

DI2

Digital input 2

DI3

Digital input 3

DI4

Digital input 4

DI5

Digital input 5

DI6

Digital input 6

HDI

High Speed Pulse

Input Terminal

Besides features of DI1~DI5 and it can be used for
high-speed pulse input.

Maximum input frequency: 50 kHz

Analog

output

AO1-GND

Analog output

terminal 1

Voltage or current output is decided by jumper JP4.

Output voltage range: 0V~10 V
Output current range: 0mA~20 mA

AO2-GND

Analog output

terminal 2

Output voltage range: 0V~10 V

Relay

output

TA1/2-TB1/2

NC terminal

Contact driving capacity: 250 VAC, 3 A, COSø = 0.4

DC 30 V, 1 A

TA1/2-TC1/2

NO terminal

External keypad

interface

External keypad

Содержание EMHEATER EM12-SP1-004

Страница 1: ...M12 SP Series Solar Inverter EMHEATER R China EM Technology Limited Address No 80 Baomin 2 road Xixiang Bao an District Shenzhen China Phone 86 0755 29985851 Fax 86 0755 29970305 Zip code 518101 Websi...

Страница 2: ...hz Remote control support RS232 RS485 protocol terminal control analog control Before unpacking please check carefully 1 Whether the nameplate model of solar inverter are consistent with your order ra...

Страница 3: ...uit and Main Circuit Terminals Description 7 3 4 1 Control Circuit and Main Circuit Wiring 7 3 4 2 Control Circuit Terminal Layout 8 3 4 3 Description of control circuit terminals 8 3 4 4 Description...

Страница 4: ...in this manual Failure to comply may result in unexpected accidents A circuit breaker must be used to isolate the power supply and the solar inverter Failure to comply may result in a fire Ensure tha...

Страница 5: ...resistor between the DC bus terminals P and P Failure to comply may result in a fire Do not perform the voltage resistance test on any part of the solar inverter because such test has been done in th...

Страница 6: ...mended MPPT range V 150 350 AC output EM12 SP1 U V W EM12 SP1S U V Output current A 3 8 5 1 9 13 25 32 45 EM12 SP3 Description d75 1d5 2d2 004 5d5 7d5 011 015 018 022 030 037 045 DC input Rated power...

Страница 7: ...lar inverter appearance and installing dimension mm Table 2 3 EM12 SP Appearance and installing dimension Model Appearance and installing dimension mm 220V 380V W W1 H H1 D D1 d EM12 SP1 S d75 EM12 SP...

Страница 8: ...n mm 220V 380V W W1 H H1 D D1 d EM12 SP3 022 300 220 540 500 240 7 EM12 SP3 030 EM12 SP3 037 EM12 SP3 045 340 260 580 540 270 10 2 3 3 Appearance and installation dimension of external keypad keypad t...

Страница 9: ...he place without strongly vibration And the vibration should be not over 0 6G Especially pay attention to far away from the punching machine etc 8 Keep away from electromagnetic interference source 3...

Страница 10: ...nal symbol Function description R T DC or AC power input P P DC output E Grounding terminal U V W Three phase AC power output terminals U V Single phase AC power output terminals 3 4 Control Circuit a...

Страница 11: ...1 1 Input range DC 0V 10V 0mA 20mA decided by jumper JP2 on the control board 2 Impedance 22 k voltage input 500 current input AI2 GND Analog input terminal 2 1 Input range DC 0V 10V 0mA 20mA decided...

Страница 12: ...AI2 is with voltage input 0 10V When the jumper is I AI2 is with current input 0 20mA V JP4 When the jumper is V AO1 is with voltage output 0 10V When the jumper is I AO1 is with current output 0 20mA...

Страница 13: ...ble is fed to the terminal COM of EM12 SP And then connected to DI1 DI1 COM EM12 SP Inverter DI1 COM EM12 SP Inverter High water level Low water level Diagram3 7 Diagram of Low water level and high wa...

Страница 14: ...ch of high water level Detector switch of low water level Detector switch of high water level Detector switch of low water level Diagram3 8 Diagram of Low water level and high water level Remarks When...

Страница 15: ...indicator is ON it indicates torque control mode When the indicator is blinking slowly it indicates the auto tuning state When the indicator is blinking quickly it indicates the fault state 2 Unit in...

Страница 16: ...um frequency F0 10 50 00Hz F0 09 Rotation direction 0 Forward FWD REV lights off 1 Reverse FWD REV lights on 0 F0 10 Maximum frequency 50 00Hz 500 00Hz 50 00Hz F0 11 Source of frequency upper limit 0...

Страница 17: ...OG FJOG 5 Reverse JOG RJOG 8 Free stop 9 Fault reset RESET 10 Run pause 11 Normally open NO input of external fault 33 Narmally closed NC input of external fault 36 External STOP terminal 1 44 User de...

Страница 18: ...t phase loss 14 IGBT Module overheat 15 External equipment fault 16 Communication fault 18 Current detection fault 21 EEPROM read write fault 22 Frequency inverter hardware fault 23 Short circuit to g...

Страница 19: ...ction 0 0 999 9A 0 0A FE 26 detection time of overcurrent protection 0 30000s 10sec FE 27 over current protection automatic recovery time 0 30000s 60sec FE 28 Min power protection value 0 00kw 650 00k...

Страница 20: ...z U0 01 Setting frequency Hz 0 01Hz U0 02 PV voltage V 0 1V U0 03 Output voltage V 1V U0 04 Output current A 0 01A U0 05 PV power KW 0 1KW U0 06 PV current A 0 01A U0 07 DI input status 1 U0 08 DO out...

Страница 21: ...iable no record after power off 1 Digital setting Preset frequencyF0 08 UP DOWNUP DOWN modifiable record after power off 2 AI1 3 AI2 4 Keypad potentiometer 9 Communication setting 4 It is used to sele...

Страница 22: ...ny two phase of the motor s U V W wires Note The motor will restore original running direction after parameter initialization Do not use this function in applications where changing the rotating direc...

Страница 23: ...vides three acceleration deceleration time units 1s 0 1s and 0 01s Note Modifying this parameter will make the decimal places of all frequency related parameters change and corresponding frequency val...

Страница 24: ...digit Binding communication command to frequency source 0000 It is used to bind the three running command sources with the nine frequency sources facilitating to implement synchronous switchover For d...

Страница 25: ...NO input of external fault 33 Normally closed NC input of external fault 36 External STOP terminal 1 44 User defined fault 1 47 Emergency stop 48 External STOP terminal 2 51 Full water detection 1 Tw...

Страница 26: ...has delay time functions F9 Faults and protection parameters F9 09 Fault auto reset times 0 20 20 It is used to set the times of fault auto resets if this function is used After the value is exceeded...

Страница 27: ...llows BIT4 BIT3 BIT2 BIT1 BIT0 DO2 DO1 REL REL FMP If an output terminal is ON the setting is 1 If the output terminal is OFF the setting is 0 The value is the equivalent decimal number converted from...

Страница 28: ...T controller is the core parts for solar water pump control if any unbalance output frequency please close MPPT select manual reference Vmpp then adjust proportional gain or Integral gain till frequen...

Страница 29: ...and stop running FE 31 set to 0 close sensor faults detection FE 36 PV DC correction coefficient 0 0 200 0 100 00 FE 37 PV DC correction offset 100 00A 100 00A 0 00A As software estimating solar cells...

Страница 30: ...eters If FP 01 is set to 1 most function codes are restored to the default settings except motor parameters frequency command resolution F0 22 fault records accumulative running time F7 09 accumulativ...

Страница 31: ...rve is not appropriate 5 The voltage is too low 6 The startup operation is performed on the rotating motor 7 A sudden load is added during acceleration 8 The frequency inverter model is of too small p...

Страница 32: ...r is running 3 The drive board is faulty 4 The IGBT module is faulty 1 Eliminate external faults 2 Check whether the motor three phase winding is normal 3 Ask for technical support 4 Ask for technical...

Страница 33: ...us 2 Topological mode It is a Single master Multi slave system In this network every communication machine has a unique slave address One of them is as master usually PC host machine PLC and HMI etc a...

Страница 34: ...once that is the maximum value of n is 12 but note that not to jump across the last function code in this function group to avoid the wrong reply Target station address Read the command 0x03 Function...

Страница 35: ...ata or the data waiting to write in During the transmission high bit is put in the front and low bit is at the back Data H END 3 5 character time CRC Checking In RTU mode messages include an error che...

Страница 36: ...rameters Some parameters cannot be changed during operation some parameters regardless of what kind of state the inverter in the parameters cannot be changed Change the function code parameters pay at...

Страница 37: ...ive value 10000 corresponds to 100 10000 correspond to 100 00 Control command input frequency inverter write in only Command word address Command function 2000H 0001 Forward running 0002 Reverse runni...

Страница 38: ...ad write in fault 0016 Frequency inverter hardware fault 0017 Short circuit to ground fault 0018 Reversed 0019 Reversed 001A Accumulative running time reached 001B User defined fault 1 001C User defin...

Страница 39: ...ime is reached then sending data back to host machine Code Parameter Name Setting Range Default Fd 04 Communication timeout 0 0s invalid 0 1s 60 0s 0 0s When the function is set to 0 0s the communicat...

Страница 40: ...le out of the frequency inverter for example external device 3 If there is any failure or damage to the product please correctly fill out the Product Warranty Card in detail 4 The maintenance fee is c...

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