Ci-PF110/120 Series

Profibus-DP Fiber Optic Converter

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Provide 1-channel Profibus fieldbus, communication rate 9.6K-6Mbps
Support 1~2 Fiber Optic Ports, ST connector ( SC, FC Optional)
Support fiber link monitoring and alarm function
Dual redundant power input with 1500V high voltage isolation
IP40 protection, Metal case, 35mm DIN-Rail Mounting
Support -40~75℃ wide operating temperature range
Overview Specifications Models Resources

Overview of Profibus-DP Fiber Optic Converter

Ci-PF110/120 series is designed for industrial serial to fiber converter which supports transparent transmission for Profibus-DP protocol. This series provides a fiber converter solution to extend transmission distance up to 2KM over multi-mode fiber or 20KM over single-mode fiber . It secures data transmission over EMI resistant fiber at speeds up to 12Mbps. The dual fiber inputs allow connecting multiple devices in a cascade or Daisy-chain topology for fiber redundancy.

Additionally, Ci-PF110/120 series converter provides a fiber link monitoring function to detect the communication errors on both sides of the fiber connection. When a communication error occurs, a red LED status indicator will turn on and the alarm relay contact on the terminal block will activate.

Hardware adopts DIN rail mounting, IP40 metal case, wide temperature and voltage design and has passed rigorous industrial standard tests, which can suit for the industrial scene environment with harsh requirements for EMC. Ci-PF110/120 series can be widely used in various situations like industrial control, process control, traffic control and intelligent residential district, and particularly applicable to bank, electricity, departments and systems that have special requirements relating to electromagnetic interference environment.

Specifications of Profibus-DP Fiber Optic Converter

Serial Port

DB9 Female Interface

Fully compatible with Profibus-DP bus cable interface

Communication rate: 9.6K-6Mbps (optional up to 12Mbps)

Terminating Resistor: The unit has 120 ohms, use corresponding switch to make it to be enable

 Fiber Port

Wave length: multi-mode 850nm/1310 nm;  single mode 1310 nm/1550nm
Fiber type: 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)
            Single Fiber wavelength: 1310nm/1550nm

Power Supply
DC (18~36V) dual redundant power input (can be customized with 9~18VDC)
Industrial standard voltage DC 24V, consumption is less than 1.5W
      DC 1500V voltage isolation and reverse connect protection
      5.08mm industrial terminal port

Relay: Fiber link fault alarm
Contact rating: 1A @24V DC, Industrial Terminal port

Dimensions (H×D×W): 136mm×104.8mm×52.8mm
Weight: 800g
        Casing: IP40 protection, wave grain aluminum reinforce case option
        Installation: Wall mounting or DIN rail mounting
Environmental Operating Temperature:-40℃~75℃(-40℃~85℃ optional)
Storage Temperature: -40℃~85℃
        Ambient Relative Humidity: 5%~95%(non-condensing)
Warranty 5 years

Models of Profibus-DP Fiber Optic Converter

Available Models

100M Fiber Port

Fiber Mode / Distance



Multi-Mode / 2KM



Multi-Mode / 2KM



Single mode / 20KM



Single mode / 20KM





  Ci-PF110/120 Series Datasheet 



 Ci-PF110/120 Series Quick Installation Guide