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4-CH AI, 2-CH AO, 16-CH DI/O EtherCAT Slave Module (Differential), provided with high isolation protection and verified by the EtherCAT conformance test tool

  • Finger-safe wiring cover
  • Detachable screw terminals
  • Rotational pin-assignment marks
  • On-module LED indicators
  • User-friendly wiring label
  • Multiple mounting methods
  • 4-CH analog inputs (differential)
  • 2-CH analog outputs 
  • 8-CH digital inputs (PNP/NPN)
  • 8-CH digital outputs (PNP)


NEIO-B1842 is a cost-effective EtherCAT I/O slave module. Each NEIO-B1842 is equipped with 4-ch Analog Input, 2-ch Analog Output, 8-ch Digital Input, and 8-ch Digital Output. NEIO-B1842 is fitted with adjustable voltage and current input ranges for different application requirements. NEIO-B1842 also provides watchdog function; when it is disconnected, watchdog function can keep the module in a safe state and restore to regular operation. All of the NEIO modules are provided with high isolation protection and verified by the EtherCAT conformance test tool.


Analog Input

  • Number of channels: 4 (differential)
  • Input type: voltage, current
  • Input range: ±10V, 0~20mA
  • Resolution: 16-bit
  • Sampling rate: 1 kHz/ch
  • Accuracy: < ±0.1% of FSR

Analog Output

  • Number of channels:2 
  • Output type: voltage, current
  • Output range : 0~5V, 0~10V, ±5V, ±10V, 0~20mA, 4~20mA
  • Resolution: 16-bit
  • Accuracy
    • < ±0.2% of FSR for voltage output
    • < ±0.1% of FSR for current output

Digital Input

  • Number of channels : 8 (PNP/NPN)
  • Input voltage: 24 VDC
  • On-state voltage, “1”: 9~24 VDC
  • Off-state voltage, “0”: 0~8 VDC
  • Input filter: 1ms

Digital Output

  • Number of channels: 8 (PNP)
  • Input voltage: 24 VDC
  • Output load type: resistive, inductive, capacitive
  • Max. output current: 500 mA/ch
  • Switching time
    • - Off to on: 100 us
    • - On to off: 150 us


  • Protocol: EtherCAT
  • Bus interface: 2 x RJ-45
  • Media: Ethernet cable (min. CAT5), shielded
  • Distance between stations: maxi. 100m (100BASE-TX)
  • Data transfer rate: 100M baud

Power Requirements

  • DC input range: DC 24V ±20% with over-voltage and reversed-voltage protection 

Common Section

  • Electrical isolation: 2.5 kV (power contact)
  • Operating temperature: 0°C~55°C
  • Storage temperature: -40°C~85°C
  • Relative humidity: 5~95%, non-condensation, non-operating
  • Shock: IEC 60068-2-27
  • Vibration: IEC 60068-2-6, IEC 60068-2-64
  • Enclosure type rating: IP20Mounting type: din-rail (35mm), wall-mount
  • Dimensions (mm): 155 x 115 x 57.4 (W x H x D)


  • CE
  • FCC Class A

Ordering Information

NEIO-B1842 (P/N: 10J80184200X0)
4-CH AI, 2-CH AO, 16-CH DI/O EtherCAT slave module


上传日期 文件名 版本 OS 描述 下载
2020/03/19 NEIO-B1842 Quick Reference Guide A Windows NEIO-B1842 Quick Reference Guide 297.6 kB
上传日期 文件名 版本 OS 描述 下载
2020/03/19 NEIO Series User Manual 200601 Windows User Manual 7.6 MB
上传日期 文件名 版本 OS 描述 下载
2020/03/19 NEIO-B1842 ESI 1.0 Windows NEIO-B1842 ESI 6.9 kB