ICP DAS USA | tM-7520U | Quick Start Guide | ICP DAS USA tM-7520U Quick Start Guide

ICP DAS USA tM-7520U Quick Start Guide
tM-7520U
Isolated RS-232 to RS-485 Converter
Quick Start Guide
Product Website:
http://www.icpdas-usa.com/tm_7520u.html
1. Introduction
The tM-7520U transparently converts RS-232 signals into isolated RS-485 signal with
no need to change any hardware or software. This lets you easily build an industrial
grade, long-distance communication system using standard PC hardware. The module
provides 2500 VDC of optical isolation allowing you to separate and protect critical
segments of the system from the rest of the RS-485 network.
The tM-7520U provides 2 modes of baud rate setting, one is Self-Tuner mode and the
other is Fixed baud rate mode. The Self-Tuner mode can support Multiple Baud Rate
and Multiple Data Format. The Self-Tuner design is exactly the same as I-7520 series.
The Fixed baud rate mode offers a better quality for data transmission over long or
lossy lines or electrically noisy environments.
2. Pin Assignment
tM-7520U - RS-232 to RS-485 Converter - QuickStart (Nov/2016)
ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717
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3. Application
4. Baud Rate and Format Setting
tM-7520U - RS-232 to RS-485 Converter - QuickStart (Nov/2016)
ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717
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