I 2533

I 2533
CAN to Fiber Bridge
I-2533
The I-2533 is a local CAN bridge used to establish a connection between two CAN bus systems via
fiber optic transmission medium. By using I-2533, the transmission distance limitation of the fiber
optic system will not decrease due to the higher CAN baud rate. It means that the total network
distance can be extended. Moreover, the bus error on one CAN network don’t affect the operation of
another CAN network. The two CAN network can communicate with each other by using different
CAN baud rate for highly flexibility. These features help users’ applications more powerful and
flexible.
Pin Assignments
Fiber Port: ST (Multi-mode)
Maximum transmission distance up to 2 km at any
CAN baud rate
82C250 CAN transceiver
2500 Vrms iCoupler isolation on the CAN side
Support both CAN 2.0A and CAN 2.0B specification
Fully compatible with the ISO 11898-2 standard
Built-in switch for 120 Ω terminator resistor
Up to 100 CAN nodes on the CAN channel
Removable terminal block
Mount easily on DIN-Rail
Rotary switch for CAN baud rate configuration
Allow user-defined baud rate
Fiber broken line detection
Utility tool for message filter configuration
Block Diagram
1-23
Wire Connection
CAN Interface
Connector
Baud Rate (bps)
Transmission Distance (m)
Terminator Resistor
Isolation
Specification
Time Delay
Screwed terminal block (CAN_GND, CAN_L, CAN_H)
10 k ~ 1 M
Depend on baud rate
Switch for 120Ω terminator resistor
3000 VDC for DC-to-DC, 2500 Vrms for photo-couple
ISO-11898-2, CAN 2.0A and CAN 2.0B
120us max (CAN to fiber or fiber to CAN)
Fiber Interface
Connector
Wave Length
Fiber Cable
Transmission Distance (m)
ST (Multi-mode)
850 nm
50 / 125 μm , 62.5 / 125 μm, 100 / 140 μm (62.5 / 125μm is recommended)
2 km max (in 62.5 / 125 μm fiber cable) at any CAN baud rate
LED
Round LED
PWR LED, CAN_Tx LED, CAN_Rx LED, CAN_Err LED, FB_Err LED
Power
Power supply
Protection
Power Consumption
Unregulated +10 ~ +30 VDC
Power reverse polarity protection, Over-voltage brown-out protection
3W
Mechanism
Installation
Dimensions
DIN-Rail
32.3mm x 77.5mm x 99.0mm (W x L x H)
Environment
-25 ~ 75 ℃
-30 ~ 80 ℃
10 ~ 90% RH, non-condensing
Operating Temp.
Storage Temp.
Humidity
Application
Ordering Information
I-2533 CR
CAN to fiber bridge (RoHS)
1-24
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