Connection Cables (Pin Assignment); Rs 422 Interface - Bartec POLARIS Panel PC 19.1" User Manual

User manual
Panel PC 19.1'' and Panel PC 15''
POLARIS
Version 2.00
6.

Connection cables (pin assignment)

6.1

RS 422 interface

Connection of a controller via an RS 422 interface of the POLARIS Panel PC.
RS422 Modul
Terminal compartment of the POLARIS Panel PC
TxD B (TxD+)
Data Out
TxD A (TxD-)
RxD B (RxD+)
Data In
RxD A (RxD-)
PE
Pins 19-23, 20-24, 21-25, 22-26 are already connected inside.
In most cases, internal EMC measures allow the installation of termination resistors at the
beginning and the end of the bus line to be dispensed with.
Depending on local conditions, there might occasionally be impairment of data transfer.
E_BMS790_POLARIS_PanelPC_19+15_Rev1.doc User manual for POLARIS Panel PC 19.1" and 15"
RxD B (RxD+)
RxD A (RxD-)
TxD B (TxD+)
TxD A (TxD-)
to other POLARIS Panel PC's or
POLARIS Control
if final device
Revision 1 / Status: January, 3 , 2006 Technical data subject to change
rd
Page 27 of 46
Controller
Data In
Data Out