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2.3  Input Specifications  

Number of Input Channels  4 
Range 

0-10V 

Resolution 

12 bit 

Input Impedance 

1M

Ω

±5% 

PLC Update Rate 

4 input channels per scan 

Conversion Method 

Successive approximation

 

Isolation Type 

None 

Maximum Error 

±0.3% of full scale 

 

2.4  Output Specifications 

Number of Output Channels  2 
Range 

0-10V 

Resolution 

12 bit 

Load Impedance 

Minimum 2000

Ω

 

PLC Update Rate 

2 output channels per scan 

Isolation Type 

None 

Maximum Error 

±1.0% of full scale

 

 

2.5  Wiring  

2.5.1  Wiring Guidelines  

Your company may have guidelines for wiring and cable installation. If so, check 

the guidelines before beginning the installation. Here are some general things to 
consider:

 

1

、Use the shortest wiring route whenever possible. 

2、Wire strictly according to the label on the terminal, do not mix the wires of different 

channels to avoid interference. 

3 、 Do  not  run  the  signal  wiring  next  to  large  motors,  high  current  switches,  or 

transformers. This may cause noise problems. 

4、Users can choose the wiring method that suits them, but all wiring must meet the safety 

requirements to avoid accidental danger.

 

 

Summary of Contents for NK1 Series

Page 1: ...Value Technology NK1 Series PLC Manual NK1 B4AD2DA 2 Function Board 1st Edition KOYO ELECTRONICS WUXI CO LTD...

Page 2: ...uction 2 2 2 General Specifications 2 2 3 Input Specifications 3 2 4 Output Specifications 3 2 5 Wiring 3 2 5 1 Wiring Guidelines 3 2 5 2 Wiring Diagram 4 2 6 Registers Used by NK1 B4AD2DA 2 4 2 6 1 A...

Page 3: ...the factory If you need backup lithium battery please purchase separately Model is RB 50 For the installation and removal of the option function board please refer to the relevant chapter in the NK1...

Page 4: ...n board are as follows The resolution of analog input is 12 bit The resolution of analog output is 12 bit No external power supply required With OK indicator green it will be on during normal work 2 2...

Page 5: ...full scale 2 5 Wiring 2 5 1 Wiring Guidelines Your company may have guidelines for wiring and cable installation If so check the guidelines before beginning the installation Here are some general thi...

Page 6: ...chapter about the optional function board in the NK1 User Manual you can read or write the relevant registers directly through the program to implement the analog input and output functions The regist...

Page 7: ...apply voltage signals other than 0 10V to the input terminal of this function board otherwise the option function board and NK1 series PLC main unit may be damaged 2 6 2 Analog Output Registers This o...

Page 8: ...2 6 3 Module Resolution 0 3FF H 7FF H BFF H FFF H 0 1023 2047 3071 4095 0V 2 5V 5V 7 5V 10V Analog value Digital value...

Page 9: ...yo ELECTRONICS WUXI CO LTD Add 21st Floor Building 1 No 599 Jianzhuxi Road Binhu District Wuxi Jiangsu P R China Pc 214072 Tel 0510 85167888 Fax 0510 85161393 http www koyoele com cn KEW M2523A 2 2020...

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