LEVTECH LSP-CRS User manual

User Manual
Lueta Nr. 319, Romania
[phone]
offi[email protected]
www.levtech.ro
USB to RS485 CONVERTER
LSP-CRS

Table of Contents
PREFACE......................................................................................................................3
Document revisions....................................................................................................... 4
1. INTRODUCTION....................................................................................................... 5
1.1. General Information......................................................................................5
1.2. Support and Services................................................................................... 5
1.3. Disposal Remarks........................................................................................ 5
2. SAFETY INSTRUCTIONS......................................................................................... 6
2.1.Symbols........................................................................................................6
2.2. Receipt and unpacking................................................................................. 6
2.3. Environment.................................................................................................6
2.4. Mounting...................................................................................................... 6
2.5. Cleaning.......................................................................................................7
3. DESCRIPTION.......................................................................................................... 8
4. FEATURES ............................................................................................................... 8
5. SPECIFICATIONS.....................................................................................................9
6. DIMENSIONS................................................. ........................................................ 10
7. APPLICATION......................................................................................................... 10
8. OPERATION AND MAINTENANCE......................................................................... 11
8.1. Operation................................................................................................... 11
8.2. Maintenance...............................................................................................11
9. WARRANTY DISCLAIMER ................................................................................... ..11
10. CONTACT INFORMATION ....................................................................................12

PREFACE
Thank you for selecting our isolated signal converter splitter.
This User Manual contains information needed for proper installation, operation, and
maintenance of your product. A thorough understanding of these simple instructions will
help you get the most of your product.
This document should be read thoroughly, and the safety instructions described in this
manual should be followed carefully. If you have questions or concerns about the
operation and maintenance of this product, please contact our customer support.
Should a problem arise with the product, check if you followed the installation steps
correctly. If the problem persists, contact an authorized Levtech dealer or our customer
support.
All information in this User Manual is based on the latest product information available at
the time of printing approval. Levtech reserves the right to make changes at any time
without notice and without incurring any obligation.
Please always keep this manual together with the isolator as a reference to everyone
who uses this product.
3

Approvals
This document requires following approvals:
Date Version Number Document Changes
03-11-2021 1.0 Initial draft
04-13-2021 2.0 Overall improvements
04-15-2021 3.0 Application examples added
04-22-2021 4.0 New images and formatting
Name Title
Levi Mihaly General Manager
Document Revisions
4

5
1.1. General Information
1.2. Support and Services
1.3. Disposal Remarks
Lueta Nr. 319, Romania
[phone]
offi[email protected]o
www.levtech.ro
1. INTRODUCTION
This manual is the designated User Manual for the installation, safe operation, and
maintenance of your product. It is divided into nine chapters covering general
information, safety instructions, how to safely install and operate the product,
maintenance, warranty, and contact information.
All personnel involved in the installation, operation, and maintenance of this equipment
should read and understand this manual, particularly its safety instructions. Substandard
performance and longevity, property damage, and personal injury may result from not
knowing and following these instructions.
In order to ensure long product life, Levtech recommends that you utilize the product and
perform maintenance by correctly following the instructions described in this guide. The
manufacturer’s warranty does not cover any damage resulting from the neglect of these
instructions.
Levtech assumes no liability for damage caused by operation contrary to what is
specified in this operating manual.
For information about further questions that are not answer in this manual, additional
materials, and support, please contact:
DO NOT dispose of the outboard motor with domestic waste!
Electronic devices have to be disposed of according to the regional directives on
electronic and electric waste disposal. In case of further questions, please consult your
supplier. The supplier may take care of proper disposal.

6
2.2. Receipt and unpacking
2.3. Environment
2.4. Mounting
2. SAFETY INSTRUCTIONS
2.1. Symbols
WARNING
CAUTION
NOTICE
This symbol indicates information that, if ignored, could result possibly in
personal injury or even death due to incorrect handling.
This symbol indicates information that, if ignored, could possibly result in
personal injury or physical damage due to incorrect handling.
Indicates information considered important, but not hazard-related.
Unpack the device without damaging it and check whether the device type corresponds
to the one ordered. The packing should always follow the device until this has been
permanently mounted.
Avoid direct sunlight, dust, high temperatures, mechanical vibrations and shock, and rain
and heavy moisture.
Only technicians who are familiar with the technical terms, warnings, and
instructions in the manual and who are able to follow these should connect the
device.
Mounting and connection of the device should comply with national legislation for
mounting of electric materials, i.e. wire cross section, protective fuse, and location.
Descriptions of input / output and supply connections are shown in this installation
guide and on the side label.
Use this device only in accordance with this instruction manual, as well as all
applicable local and national laws and regulations. Only allow this device to be
installed, operated, maintained, repaired, etc. by others who have also read and
understood the user manual.
Do not allow minors, untrained personnel, or personnel suffering from physical or
mental impairment that would affect their ability to follow this manual to install,
operate, maintain, or repair this device.
Any untrained personnel who might be near the device while it is in operation
MUST be informed that it is dangerous and fully instructed on how to avoid injury
during its use.

7
WARNING
CAUTION
2.5. Cleaning
WARNING
To avoid the risk of electric shock and fire, the safety instructions of this guide
must be observed and the guidelines followed.
When disconnected, the device may be cleaned with a cloth moistened with distilled
water.
The specifications must not be exceeded, and the device must only be applied
as described in the following.
Do not use the device near water or moisture.
Do not install near any heat sources such as radiators, stoves or other heaters
that produce heat.
To prevent ignition of the explosive atmospheres, disconnect power before
servicing and do not separate connectors when energized and an explosive
gas mixture is present.
Do not mount or remove devices from the power rail when an explosive gas
mixture is present.
Before the commissioning of the device, this installation guide must be
examined carefully, and only qualified personnel (technicians) should install
this device.
If the equipment is used in a manner not specified by the manufacturer, the
protection provided by the equipment may be impaired.
To avoid the risk of explosion due to electrostatic charging of the enclosure, do
not handle the units unless the area is known to be safe, or appropriate safety
measures are taken to avoid electrostatic discharge.

8
4. FEATURES
3. DESCRIPTION
This USB to RS485 converter is designed for industrial use and it makes a half-
duplex RS485 connection. With its metal housing this converter is highly recommended
for factory environment, but it is also suitable for any other industrial installations. This
converter is powered through the USB plug and no external power supply is required.
Using the high performance industry proven FT232 processor from FTDI, the converter
ensures optimum reliability and performance.
Optical isolated
Two-way communication (USB to RS485 / RS485 to USB)
Input over voltage protection
Short circuit protection
USB 2 compatible
Visual indicator LED for RX -TX
Supply voltage from the USB
FTDI chip
Wall mountable aluminium case
Plug and Play
2500 V isolation

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5. SPECIFICATIONS
Input
Direct Voltage /Current
0 to 10MΩ
Output
0 ~ 10V / 0 ~ 20mA / 4 ~ 20mA
>75Ω
0.01% (max.)
2500V
5VDC (Powered from USB)
<100mW
Yes
Enclosure
IP20
65 x 63 x 25.5 mm
75g
Wall mountable case with 4 screws
2.5mm2 (max.)
Enviromental Conditions
-20 ~ +50ºC
-40 ~ +80ºC
0 ~95% RH at 40ºC, no condensation
/ 0 ~ 24mA
0 ~ 10V / 0 ~ 20mA / 4 ~ 20mA
/ 0 ~ 24mA
Processor
Power loss
1 W
Isolation
Electro static protection
15KV EDS
500W/sec
Baud rates
Up to 115200 Bps
Signals
A, B, GND
Termination resistor Yes
OS Compatibility
2500 V
FTDI FT232
Surge protection
Connectors
Standard USB B female
2-wire Rs485
Windows XP32/64-bit, WinCE,Linux,
Windows XP Embadded,
Windiws 7 32/64-bit,
Windows 10, Windows11
Alte specificații
Direct Voltage /Current
Input Signal
Input Range
Input Resistance
Output Signal
Output Range
Output Resistance
Non-Linearity
Galvanic Isolation
Power Supply
Supply Voltage
Power Consumption
Reverse-Polarity Protection
IP Rating
Dimensions (L x D x H)
Weight
Mounting
Maximum Cable Cross
Ambient Temperature Range
Storage Temperature Range
Humidity Level

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7. APPLICATION
Found a new
serial port:
COM6
USB to Computer
B
A
GND
Up to 1200 meter
B
A
RS485 field device
6. DIMENSIONS
63 mm
65mm
*In case of faulty communication is detected, threads A and B must be swapped
*
After connecting the converter to the PC, the driver will be installed
automatically and a virtual COM port will appear which acts in the same way as a
serial COM port interface.
If the driver does not install automatically, you can download it from here
(https://www.ftdichip.com/Drivers/D2XX.htm). The COM port number can be changed
with any available COM port number. It can act as a Modbus master for industrial
communication and control implementation.

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9. WARRANTY DISCLAIMER
8. OPERATION AND MAINTENANCE
8.1. Operation
8.2. Maintenance
This isolator requires no user adjustments during commissioning. It comes with
factory calibration ready for use.
If the isolator fails to operate, check for bad connections. In the unlikely event of the
isolator not working, it should be returned to the supplier for repair or replacement.
Levtech suggests a quick check for terminal tightness and general unit condition. Always
adhere to any site requirements for programmed maintenance.
Levtech (“The Company”) makes no express, assumed or legal warranties (including
any warranty of merchantability or of fitness for a particular purpose) concerning any
goods or services sold by the company. The company disclaims all warranties arising
from any course of dealing or trade usage. Any buyer of goods or services from the
company acknowledges that there are no warranties implied by custom or usage in the
trade of the buyer and of the company. Moreover, any prior dealings of the buyer with the
company do not imply that the company warrants the goods or services in any way.
Any buyer of goods or services from the company agrees with the company that the sole
and exclusive remedies for breach of any warranty concerning the goods or services
shall be for the company, at its option, to repair or replace the goods or services or refund
the purchase price. The company shall in no event be liable for any consequential or
incidental damages even if the company fails in any try to remedy defects in the goods or
services, but in this case, the buyer shall be entitled to no more than a refund of all monies
paid to the company by the buyer for the purchase of the goods or services.
Any cause of action for breach of any warranty by the company shall be barred unless
the company receives from the buyer written notice of the alleged defect or breach within
ten days from the earliest date on which the buyer could reasonably have discovered the
alleged defect or breach.

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WEBSITE
https://www.levtech.ro/
SOCIAL MEDIA
Levtech
COMPANY DATA
@levtech_s_p
@levtechsp
10. CONTACT INFORMATION
ADDRESS
Lueta 319
Post Code 537140
Harghita
Romania
LEVTECH SERVICE & PRODUCTION
SRL
Fiscal code (CIF): RO35733217
Trade Register: RC J19/134/2016
IBAN: RO39RNCB0152150349440001
BCR BANK