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home products Isolated USB/RS232/RS485 Converter,REPEATER Isolated RS-232 to 485 Converter Card(RoHS)

Isolated RS-232 to 485 Converter Card(RoHS)

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Detailed Product Description

The PCISA-7520A series is exactly the same as I-7520A series except for the PCI and ISA interface. It is designed for easy installation.

The PCISA-7520A series equips two series ports, one is RS-232 port and another one is RS-485 port.
The RS-232 port is designed to communicate with the local host-PC. The RS-485 is designed to communicate with the remote IO module.

Features.

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Don't have to connect external power supply
Don't have to install driver
Auto switching baud rate, 300~115200 bps
3000 VDC isolation protection
ESD protection RS-232/422/485 data line
Transmission speed up to 115.2 Kbps
Can be used in ISA bus, PCI bus & any system with RS-232 interface

Specifications.

PCISA-7520AR Interface	RS-232:TxD, RxD, GND RS-422/485 (The RS-422 and RS-485 couldn't be used simultaneously) RS-422: TxD+, TxD-, RxD+, RxD. RS-485: Data+, Data
PCISA-7520R Interface	RS-232:TxD, RxD, GND RS-485: Data+, Data
2-wire cabling/4-wire cabling	Belden 8941 (2P twisted-pair cable)/ Belden 8942 (4P twisted-pair cable), When different cables are used, the transmission distance may change
Transfer distance	Max. 1,200m for speed 9.6K bps; Max. 400m for speed 115.2K bps
Supports Max devices	Maximum of 256 devices.
Self-Tuner Asic inside	Yes.
Speed	300~115200 bps
ESD Protection	Yes.
Isolation voltage	3000 VDC
Connector	DB9(Female to RS-232) * 1, DB9(Male to RS-422/485) * 1
Power
Input Voltage Range	+5 VDC From PC
Power consumption	0.2A @ 5V = 1W, +/- 5%
Dimensions
140mm X 70mm
Environment
Operating Temperature	0¢XC ~ 50 ¢XC
Storage Temperature	-20¢XC ~ 70 ¢XC
Ambient Relative Humidity	0 ~ 90% RH, non-condensing