Rievtech ELC Series - Page 81

EN
Programmable Relay ● User Manual for ELC, EXM and PR Series 81 2020 v6.0 ● © Rievtech Co.,
Ltd. ● www.rievtech.com
GPRS Data Upload
Description of Function
This block cab be used to enable a GPRS connection
and then transfer some information to the network
server.
Connection Pin
Description
Input Trg
GPRS connection enable when
set to High/True.
Input R
Reset the GPRS connection and
output pin even if Trg input is
High.
Output Q
Q is switched On when a GPRS
connection is established with
the server software and the
correct Modbus/TCP response is
received. If the GPRS is
disconnected, the output will be
Off.
Configuration of Function
1) Timeout – If GPRS server does not respond within
the set timeout period, the CPU will attempt the
data transmission up to a maximum of three times
after which the GPRS connection will be
automatically disconnected.
2) Network Params – There are two options, see GPRS
Connect for further information.
3) Modbus Type – Standard or Custom
a. Standard Modbus
If your program has three flags with the following
values:
 AF1 = 100
 AF2 = 1000
 AF3 = 10000