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Rievtech ELC Series - Page 18

Rievtech ELC Series
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Programmable Relay User Manual for ELC, EXM and PR Series 18 2020 v6.0 © Rievtech Co.,
Ltd. www.rievtech.com
lighting, pumping, ventilation, shutter operations or in
switching cabinets. The possible uses are diverse, and
these are just a few possibilities.
Using the RS485 bus and Ethernet connectivity allows the
user to realize various extensive (real-time) monitoring
and control applications.
Special versions, without operator LCD and display unit,
are available for series production applications in a small
machine, installation and cabinet building environments to
further reduce cost.
xLogic Devices
xLogic Basic is available in two voltage ranges.
*DC Range: 12-24 VDC i.e.: PR-6DC, PR-12DC, PR-14DC,
PR-18, PR-24DC, PR-26DC and EXM-12DC series.
*AC Range: 110-240 VAC i.e.: PR-6AC, PR-12AC, PR-14AC,
PR-18AC, PR-24AC, PR-26AC and EXM-8AC series.
*Without LCD Display: PR-6 series and with -Emodel,
such as PR-12DC-DA-R-E.
PR-18, PR-24, PR26 and EXM models all have an LCD
display.
Expansion modules:
PR-E (for use with PR-14, ELC-22-N, PR-18, PR-24, PR-26
and all PR-Ethernet CPUs).
EXM-E (for use with all EXM CPUs.
* xLogic digital expansion modules are available in 12/24
VDC and 110/240 VAC versions and have eight inputs and
eight outputs.
* xLogic analogue expansion modules are available in
12/24 VDC only and have up to six digital and 4 analogue
inputs.
Communication Cable and Expansion Module:
xLogic: RS232 communication cable (Model: ELC-RS232)
It is a serial cable with photoelectric isolation which can
be directly connected to a standard 9-pin port of PC. This
enables the user's program to be downloaded into xLogic
CPU through xLogicsoft.
It can also serve as a connection cable between CPU and
third-party devices with an RS232, such as HMIs, PLCs, etc.
in a Modbus communication system.
xLogic: USB communication cable (Model: ELC-USB).
It is a communication cable with photoelectric isolation
through which PC with USB port can be connected to
xLogic CPU module, moreover, it has same features as the
ELC-RS232 module, so it is quite convenient for users
whose computer has no standard serial port.
xLogic: PRO-RS485 cable (Model: PRO-RS485).
It is a serial converter cable with photoelectric isolation,
which converts the CPU RS232 programming port to an
isolated RS485 port.
xLogic: RS485 moduleModelPR-RS485
An isolated RS485 converter providing terminals of RS485
port for PR-14, PR-18, ELC-22-N and PR-24 series CPUs
for connection with third-party devices.
Communication / Network
xLogic offers different ways to communicate within a
system.
RS485 port
The RS485 port is used for communication between the
CPU and various devices or equipment which have a
standard RS485 port. Communication is via the Modbus
RTU/ASCII protocol.

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