Bartec POLARIS Panel PC 19.1" User Manual

Bartec POLARIS Panel PC 19.1" User Manual Manual pdf 28 page image

User manualPOLARIS Panel PC 19.1'' and Panel PC 15''Version 2.00 Page 28 of 46E_BMS790_POLARIS_PanelPC_19+15_Rev1.doc • User manual for POLARIS Panel PC 19.1" and 15" • Revision 1 / Status: January, 3 rd , 2006 • Technical data subject to change6.2 RS 485 interfaceª BARTEC supplies all the RS 485 interfaces as RS 422.Connection of a controller via an RS 485 interface of the POLARIS Panel PC.RS485 ModulTerminal compartment of the POLARIS Panel PC ControllerPETxD A (TxD-)RxD B (RxD+)TxD B (TxD+) TxD B (TxD+) / RxD B (RxD+)TxD A (TxD-) / RxD A (RxD-)RxD A (RxD-)Data InData OutTx enable1718See the interface description from the controller manufacturer for the relevant pin assignment of the controller.ª If it is intended to use the RS422 as an RS485 interface, Pin 21/Pin 23 and Pin 22/Pinmust be bridged externally.Pin 19-23, 20-24, 21-25, 22-26 are already connected inside.In most cases, internal EMC measures allow the installation of termination resistors atthe beginning and the end of the bus line to be dispensed with.Depending on local conditions, there might occasionally be impairments of data transfer.to other POLARIS Panel PCs orPOLARIS Controlif final device