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8-channel FRNet Isolated Digital Input and 8-channel Isolated Digital Output Module.


8-channel FRNet Isolated Digital Input and 8-channel Isolated Digital Output Module.

  Price:  $319.00  

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The FR-2054T module provides 8 Isolated Sink Type Digital Outputs and 8 Isolated Sink/Source Digital Inputs. The I/O data transmission is controlled by the FRnet control chip developed by ICPDAS. FRnet was designed to provide deterministic high speed network communication. The communication mechanism is dominated by the token-stream, which is generated by the network manager located at a specific node (SA0). This manager provides for fixed scan-time and I/O synchronization capabilities without the need of any special communication protocol.

Special anti-noise circuitry has also been built into the FRnet control chip to ensure communication reliability. This distributive digital output module must be connected to other modules or a host controller with a network manger built in.

  • Built-in Wire-saving FRnet DI/DO control
  • High-speed transmission reliability
  • Simple synchronization mechanism
  • No software overhead on protocol processing
  • Supporting broadcasting (1:n data transmission)
  • Duplicating output easily
  • Fixed I/O scan-time and I/O synchronization
  • DIN-Rail


Digital Output
Output Channel 8
Output Type Sink, Open-Collector (NPN)
Load Voltage 30 VDC, Max.
Load Current 250mA, Max.
Isolation Voltage 3750 Vrms
Digital Input
Input Channel 8 (Sink/Source)
Input Type Isolation, One Common for All Digital Inputs
On Voltage Level +19 VDC ~ 30 VDC
Off Voltage Level +11 VDC max
Input Impedance 3.3 kOhm
Isolation Voltage 3750 Vrms
2-wire cabling 2-wire cabling Belden 9841 (2P twisted-pair cable),
When different cables are used, the transmission distance may change
Transfer distance Max. 400m for speed 250Kbps
Max. 100m for speed 1Mbps(Default)
LED Indicators Power, Communication Run, Communication Error, Terminal
resistor, Digital input/output
Transfer speed 250Kbps and 1Mbps(Default)
DIP Switch Settings
Cyclic scan time 2.88ms for speed 250Kbps
0.72ms for speed 1Mbps(Default)
Connection Removable 20-pin Terminal Block
Input Voltage Range +10 ~ +30 VDC (Non-isolation)
Power consumption 2W Max
Protection Power reverse polarity protection
Frame Ground for EMS Protection Yes
Connection 5-Pin Removable Terminal Block
Casing Plastic (Flammability UL 94V-0)
Dimensions (W x L x H) 33 mm x 102 mm x 110 mm
Installation DIN-Rail
Operating Temperature -25°C ~ +75°C
Storage Temperature -30°C ~ +85°C
Ambient Relative Humidity 10% ~ 90% RH, non-condensing

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