The SA-85 Adapter Number section enables you to specify the number of the adapter if you have installed an SA-85 network adapter card for Modbus Plus communications networks. You can specify adapter 0, adapter 1, or none by selecting the associated radio button. The default setting for the SA-85 Adapter Number section is None.

The SA-85 Polling Rate section enables you to indicate the rate in seconds or fractions of a second at which you wish the SA-85 network adapter card to be polled. The default SA-85 Polling Rate setting is 0.025.

The Retries spin box enables you to select the number of attempts that will be made by this driver if there is no reply to a message. An error will be declared after this number has been reached.

The Time Out (x500mS) spin box enables you to specify the message response time limit that the driver will wait for a reply from the PLC. This time limit may be set from 1 to 20 increments. The default setting for the spin box is 2 (i.e. two 500 millisecond increments, or 1 second).

The Maximum Paths Open spin box enables you to indicate the maximum number of Modbus Plus sessions that can be opened simultaneously by the installed SA-85 network adapter. The Maximum Paths Open spin box may be set from 1 to 8. The default setting for the Maximum Paths Open spin box is 8.