Minimum Turn-Around Time (T1)

After receiving a message, this Driver or a PLC must wait this minimum time of turn-around before sending a message

Acknowledgement Timeout (T2)

This is the maximum time that this Driver or a PLC must wait for the acknowledgment of a message sent before assuming the loss of a connection due to a lack of response

Link Keep-Alive Time (T3)

Period of time this Driver sends an automatic message to a PLC to prevent a remote disconnection from that PLC due to a lack of activity in communication

Break Processing Time (T4)

After sending a message, this is the minimum time that this Driver must wait, that is, the time for a PLC to process the received message, before sending a new message to a PLC

Uses Break-Free SNP

This option must be selected if the firmware of a PLC supports communication with the Break-Free SNP feature

Uses Modem Turn-Around Time

Time to add to the T1 Timer when communication involves a modem between this Driver and a PLC

90-30 Series PLCs

Defines the level of access privileges to PLCs of 90-30 Series. For more information, please check the next table

90-70 Series PLCs

Defines the level of access privileges to PLCs of 90-70 Series. For more information, please check the next table

Password

A password that may be required to reach a certain level of access privileges to a PLC

4

Allows writing to any type of memory

3

Allows writing to configuration and logic memory

2

Allows writing to memory, except for configuration and logic memory

1

No permission to write to memory. Only allows performing memory readings

0 (only for 90-70 Series)

No permission to read from or write to memory