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Product Details


Image of I-7520A


Isolated RS-232 to RS-422/485 Converter

Product Availability:   AGAINST PO, WITHIN 3-4 WEEKS
  • Auto Switching Baud Rate, 300~115200 bps
  • 3000 VDCIsolation Protection on the RS-485 side
  • Transmission Speed of up to 115200 bps 
  • ESD Protection for the RS-232/422/485 Data Line 
  • Power Input of +10 ~ +30 VDC
  • Supports Operating Temperatures from -25 °C ~ +75 °C 
  • DIN-Rail

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I-7520 series


MODEL   I-7520A
Serial Interface RS-232 TxD, RxD, GND
  RS-422 TxD+, TxD-, RxD+, RxD
The RS-422 and RS-485 cannot be used simultaneously
  RS-485 Data+, Data-
2-wire Cabling/4-wire Cabling   Belden 8941 (2P twisted-pair cable)/Belden 8942 (4P twisted-pair cable), if different cables are used, the transmission distance may change
Transfer Distance   Max. 1,200 m for at speed 9.6 kbps; Max. 400 m at 115.2 kbps
Max. Devices Supported   256 (Without repeater)
Self-Tuner Asic Inside   Yes
Speed   300 ~ 115200 bps
ESD Protection   Yes
3000 VDCIsolated Voltage   On RS-485 side
Connection RS-232 9-Pin Female D-Sub
  RS-422/485 Removable 10-Pin Terminal Block
LED Indicators Power/Communication Yes
Power Input Voltage Range +10 VDC ~ +30 VDC (Non-isolated)
  Power Consumption 1.2W
Mechanical Casing Plastic
  Flammability Fire Retardant Materials (UL94-V0 Level)
(W x H x D)
72 mm x 118 mm x 35 mm
  Installation DIN-Rail
Environment Operating Temperature -25 °C ~ +75 °C
  Storage Temperature -30 °C ~ +75 °C
  Humidity 10 ~ 90% RH, non-condensing