Programmable Relay ● User Manual for ELC, EXM and PR Series 190 2020 v6.0 ● © Rievtech Co.,
Ltd. ● www.rievtech.com
Comport Status
Description of function
This function block is used to monitor the communication
status of the RS232 (programming port), RS485 port,
Ethernet/WIFI port.
With the text message block, we can insert the com port
status from such function block for displaying on the LCD.
Enable the function block if a HI
level at En input pin and if a trigger
from HI to LOW, the function would
be disabled.
Channel:
RS232
RS485
Ethernet/WIFI
Timeout: 1—100s
Monitor type:
TX
RX
TX+RX
When a HI level at the En pin and
the timeout is reached the output
will be HI, and it will be reset when
the En is switched.
Parameters
Channel
RS232: This channel is the programming port; it can be
used to monitor or display the communication status of
the below accessories:
ELC-RS232 cable
ELC-USB cable
PRO-RS485 cable
ELC-MEMORY
ELC-Copier
RS485: This channel is the RS485 port, it can be used to
monitor or display the communication status of the below
accessories:
For Standard ELC-12 Series
ELC12-E-RS485
For ELC-12DC-DA-R-N-HMI CPU
EXM-E-RS485