8 PARAMETER SETTINGS
8.1 Settings for the Master Station in MELSEC iQ-R/MELSEC iQ-F
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8
■Link Scan Setting
Set timeout time and number of retries for slave station disconnection detection.
*1 Setting range of MELSEC iQ-F is 20 to 65535.
*2 Timeout time and the number of times for disconnection detection are counted for each slave station.
*3 Disconnection occurs in the event that no response is received from the slave station for the specified number of times in succession
within the timeout time.
*4 In GX Works3 with version earlier than "1.035M" or GX Works2 with version earlier than "1.565P", the default value is 500.
• For setting of timeout time, specify an adequate value according to the actual system used. ( Page 24
No response received from a slave station)
• Time-out Period and Counts can be set for each group.
Item Description Setting
range
Default
Slave Station Disconnect
Detected Setting
Time-out Period (10 to
65535)
Set the timeout time (ms) for slave station disconnection
detection.
*2
( Page 23 Data flow of cyclic
transmission)
10 to 65535
*1
100
*4
Counts Set the number of retries for slave station disconnection
detection.
*2*3
3, 5, 10 3
Slave Station Disconnect
Detected Image Diagram
Display
The operation image regarding the slave station
disconnection detection period is displayed. Refer to this
at the setting of "Time-out Period".
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