Siemens SIMATIC S5 Series Manual page 12

Setup Items
Flow Control
Timeout
Retry
Wait To Send
RI/VCC
• Refer to the GP-Pro EX Reference Manual for Indirect Device.
Cf.
GP-Pro EX Device/PLC Connection Manual
Select the communication control method to prevent transmission and reception data
overflow.
Enter the time (seconds) for which the Display waits for the response from the External
Device, from "1 to 127".
In case of no response from the External Device, use an integer from 0 to 255 to enter how
many times the Display retransmits the command.
Enter the standby time (milliseconds) from when the Display receives packets until it
transmits the next command, from "0 to 255".
You can switch RI/VCC of the 9th pin when you select RS-232C for SIO type.
When connecting with the IPC, change RI/5V with the IPC changeover switch. Please refer
to the IPC manual for more details.
GP-Pro EX Reference Manual "Changing the Device/PLC at Runtime (Indirect
Device)"
Setup Description
12
SIMATIC S5 3964(R) Driver