Rockwell Automation 2080-REMLCD Micro800 Remote LCD Installation Instructions - Manual (Page 16)

16 Micro800 Remote LCD
Rockwell Automation Publication 2080-IN010A-EN-P – December 2013
RS232 Port
The RS232 port interface allows the Micro800 Remote LCD module to communicate with the
Micro800 controller. Belden #9608 (or equivalent) shielded, three conductor cable, designed for
RS232 applications, must be used. Below are pin assignments for the RS232 port terminal block
on the REMLCD.
RS232 Serial Port Terminal Block
USB Port
The Micro800 Remote LCD terminal has a USB port, which enables users to download projects
into the controller. You must connect the Micro800 Remote LCD device port to a USB host
that is connected to the same ground system.
2080-REMLCD to Micro820 Serial Port Terminal Block Wiring Diagram
2080-REMLCD Serial
Port Terminal Block Micro820 Serial Port
Terminal Block
Signal Pin
number Pin
number Signal
RS232 TX 1 <--------> 4 RX RS232
RS232 RX 2 <--------> 5 TX RS232
RS232 G 3 <--------> 6 G RS232
WARNING: If you connect or disconnect the communications cable
with power applied to this module or any device on the network, an
electrical arc can occur. This could cause an explosion in hazardous
location installations.
Be sure that power is removed or the area is nonhazardous before
proceeding.
Rx
Tx G
1 2 3
(View into terminal block)
Pin 1 RS232 TXD
Pin 2 RS232 RXD
Pin 3 RS232 GND
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