Communications Setup
372 SPU 780 01EMAN May 2002 71
Configuring Modbus Plus Communications
Overview Modicon’s fast peer-to-peer protocol, standard on many 984 and other controllers.
Select this option if your computer is connected to a Modbus Plus network through
a network adapter card such as an SA85.
Setting Modbus
Plus Parameters Select the Modbus Plus tab and set the following communications parameters:
When you have finished configuring the parameters, press OK.
Parameter Description
Modbus Plus Address The Modbus Plus address of the PLC.
Adapter Sets an identifying number for an SA85 Network Card. Up to two
SA85 cards, numbered 0 or 1, can be installed. A card’s identifying
number in ProWORX 32 must be the same as in the Device
command in the PC’s CONFIG.SYS file. Default is 0.
Timeout Specifies the length of time the PC will wait for successful
communication with a controller before displaying an error message.
Default is 3 seconds.