ICPDAS I-7520A - RS-232 to RS-422 / RS-485 converter

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Isolated RS-232 to RS-422/485 Converter

● Auto Switching Baud Rate, 300~115200 bps
● 3000 VDC Isolation 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 Mountable

Most industrial computer systems provide standard RS-232 serial ports. Though widely accepted, RS-232 has limited transmission speed, range, and networking capabilities. The RS-422 and RS-485 standards overcome these limitations by using differential voltage lines for data and control signals, which transparently converts RS-232 signals into isolated RS-422 or RS-485 signal with no need to change any hardware or software.

The I-7520/I-7520A lets you easily build an industrial grade, long-distance communication system using standard PC hardware.

The design of the isolation between the I-7520 and the I-7520R/AR is different. If the user wants to supply power from the PLC/PC, the I-7520R/AR should be used, otherwise the isolation will be broken. Refer to the I-7000 bus converter manual for detailed information.

Meer informatie
Serial Interface RS-232 TxD, RxD, GND
Serial Interface RS-422 TxD+, TxD-, RxD+, RxD
The RS-422 and RS-485 cannot be used simultaneously
Serial Interface 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 VDC Isolated Voltage On RS-232 side
Connection RS-232 9-Pin Female D-Sub
Connection RS-422/485 Removable 10-Pin Terminal Block
LED Indicators
Power/Communication Yes
Input Voltage +10 VDC ~ +30 VDC (Non-isolated)
Power Consumption 1.2 W
Casing Plastic
Flammability UL94-V0
Dimensions (w x h x d) 72 x 118 x 35mm
Installation DIN-Rail Mounting
Operating Temperature -25 °C ~ +75 °C
Storage Temperature -30 °C ~ +75 °C
Humidity 10 ~ 90% RH, non-condensing
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