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16 Port FRNet Isolated Digital Input Distributed I/O Module (FR-2053T has screw terminal connector)

FR-2053 / FR-2053T

16 Port FRNet Isolated Digital Input Distributed I/O Module (FR-2053T has screw terminal connector)

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This product is phased out and replaced by FR-2053HT

FR-2053 provides a 16 channel isolated photo-coupler digital input in the FRnet.  I/O data transmission is controlled by the FRnet control chip (developed by ICPDAS). It was designed to provide deterministic high speed network communication.  Anti-noise circuitry has been built into the FRnet control chip to ensure communication reliability.

FRnet is an innovative industrial field bus offering high-speed deterministic I/O control, real I/O synchronization capabilities, non-protocol communication, and easy programming. The ICP DAS FRnet line of products offers bleeding edge technology for high speed data acquisition applications! FR-2053 is an Isolated Digital Output Distributed I/O Module with 16 ports.
  • High transmission reliability
  • Simple synchronization mechanism
  • DIN-Rail mountable
  • No software overhead on protocol
  • Isochronous DI/DO processing
  • Supporting broadcasting (1:n data transmission)


Digital Input
Input Channel 16
Input Type Sink (NPN)
On Voltage Level +20~24VDC
Off Voltage Level +3VDC max
Input Impedance 4.7 kOhm
Turn-on delay time less than 1.0ms
Turn-off delay time less than 1.0ms
Isolation Voltage 1500Vrms
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
LED Indicators Power, Communication Run, Communication Error, Terminal resistor, Digital output
Transfer speed
250 kbps
Cyclic scan time 2.88ms
Connection 20-pin header for FR-2053
Removable 20-pin Terminal Block for FR-2053T
Input Voltage Range +10 ~ +24 VDC (Non-isolation)
Power consumption 2 W 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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