Cj-AF Series

4 Channel 4-20mA Analog Signal to Fiber Optic Converter

1 ~ 4 channel 4-20mA current analog signal to Fiber Optic Converter
Reference accuracy: 0.5% (normal temperature)
Sampling frequency: (1000-2000) Hz
Time delay: < 10ms
IP40 protection, Metal case, 35mm DIN-Rail Mounting
Support -40~75°C wide operating temperature range
Overview Specifications Models Resources
Overview

Overview of 4 Channel 4-20mA Analog Signal to Fiber Optic Convert

Cj-af series products are a type of multi-channel analog signal converter. It adopts the latest ARM chip, which is quite stable, reliable low power, supports 1 ~ 4 channels 4~20mA current analog to Fiber Optic transmission.
It requires no change of the user communication protocol solves the problem of electromagnetic interference, ground ring interference thunder destroys, which greatly improve the signal reliability, safety confidentiality, at the same time solve the problem of traditional mode of short distant transmission.
Protection grade is IP30, strengthen cabinet, 35mmDIN guide installation, industrial stard DC24V power supply, possess the protection function of power polarity reverse connect.
Specifications

Specifications of 4 Channel 4-20mA Analog Signal to Fiber Optic Convert

Analog signal interface Current Analog Signal 4-20mA
1 ~ 4 channel Current analog signal
Reference accuracy    0.5% @ 25°C
Update rates   1K~2KHz
Signal resolution   10 bit
Time delay   < 10ms
4-20mA interface parameters: 
Maximum load capacity 600Ω ,Input resistance 120Ω

Optical Interface
Wave length: Multi-mode 850nm/1310 nm, Single mode 1310 nm/1550nm
Multi-mode 50/125um, 62.5/125um, 100/140um

Single mode 8.3/125 um, 9/125um, 10/125um
Transmission distance: Multi-mode 2km, Single mode 20KM
Fiber interface type: ST/SC/FC (optional); ST (standard configuration)

Power and protection Power: Industrial standard24V (+/-5%) power supply
With power polarity and reverse connect protection

5-pin Industrial Pluggable Screw Terminal
Mechanical
      Dimensions: 136mm×54mm×106mm (H×W×D)

      Casing: IP40 protection, Metal case

      Installation: 35mmDIN-Rail, Wall Mounting

      Net Weight: 800g

Environmental 

        Operating Temperature:-40℃~85℃
      Storage Temperature: -40℃~85℃
        Ambient Relative Humidity: 5%~95%(non-condensing)

Certification

    IEC61000-4-2 (ESD): Power ±2KV Contact, ±15KV Air
      Relay ±2KV Contact, ±15KV Air; Data Cable ±15KV Air
      IEC61000-4-4 (EFT):Power ±4KV, Data Cable ±4KV
      IEC61000-4-5 (Surge):Power ±2KV CM/ ±1KV DM, Relay±2KV CM/ ±1KV DM
      IEC60068-2-27 (Shock)
      IEC60068-2-32 (Free Fall)
      IEC61000-6-2 (General Industrial Standard)
Warranty 5 years
Models

Models of Channel 0-10VDC Analog Signal to Fiber Optic Converter

Available Models

Features

Cj-AF11-M

 1 channel unidirectional 4~20mA current anolog optical converter, multi mode 0~2KM (ST/SC/FC)

Cj-AF12-M

 1 channel two-way 4~20mA current anolog optical converter, multi mode 0~2KM (ST/SC/FC)

Cj-AF21-M

 2 channel unidirectional 4~20mA current anolog optical converter, multi mode 0~2KM (ST/SC/FC)

CJ-AF22-M

 2 channel two-way 4~20mA current anolog optical converter, multi mode 0~2KM (ST/SC/FC)

Cj-AF41-M

 4 channel unidirectional 4~20mA current anolog optical converter, multi mode 0~2KM (ST/SC/FC)

CJ-AF42-M

 2 channel two-way 0-10VDC analog optical converter, 0~20KM, optical port ST/SC/FC optional

CJ-AF11-S

 1 channel unidirectional 4~20mA current anolog optical converter, single mode 0~20KM (ST/SC/FC)

 CJ-AF12-S

 1 channel two-way 4~20mA current anolog optical converter, single mode 0~20KM (ST/SC/FC)

CJ-AF21-S

 2 channel unidirectional 4~20mA current anolog optical converter, single mode 0~20KM (ST/SC/FC)

CJ-AF22-S

 2 channel two-way 4~20mA current anolog optical converter, single mode 0~20KM (ST/SC/FC)

CJ-AF41-S

 4 channel unidirectional 4~20mA current anolog optical converter, single mode 0~20KM (ST/SC/FC)

 CJ-AF42-S

 4 channel two-way 4~20mA current anolog optical converter, single mode 0~20KM (ST/SC/FC)

Resources

Name

Version

Date

  CK7220M Series Datasheet 

V1.2

2022-03-07