CQ485 - RS422-485 Isolated Repeater/Converter

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The CQ485 is a repeater for 2-wire RS485 networks, 4-wire RS422 networks or as a converter between those two communications formats. Both sides are galvanic isolated. Unit parameters can be adjusted with easy to use software programmed via an RS232 connection.

Special Offer: Discounts of 7%, 10%, 12.5% and 15% are available when you order 10, 25, 50 and 100 items or more of this product.

Repeater for both 2-wire RS485 and 4-wire RS422 networks
Convert to/from RS485/RS422
Complete galvanic isolation (including the GND) of both RS422/485 lines from each other and from power circuits
Second galvanic isolation of both lines from power GND (-ISOL_24V_1 option)
Two modes of data transmission – passive or active
Transmission speed up to 115,2 kBd
Enhanced overvoltage protection for both lines.
Automatic direction control with no delay.
Wide range of the power voltage
Easy to use configuration software via USB (cable included)
Adjustable termination including resistors defining the idle state of the line.
All signals connected via a slip-on terminal.
DIN Rail mount

The CQ485 is a repeater for 2-wire RS485 networks, 4-wire RS422 networks or as a converter between those two communications formats. Both sides are galvanic isolated.

CQ485 can work in two modes of data transmission – passive or active.

Passive mode

In this mode, data are transmitted and shaped by the TTL circuits. There is no delay on the line.

Active mode

Data are received and transmitted by the main processor and each bit is fully reconstructed. Therefore there is a slight delay of the length of one byte.

Configuration

CQ485 parameters can be adjusted with a free easy to use software program, sent via USB.

Downloads

User Manual >>

Configuration Software >>

USB Driver >>

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