7 - 10
7. AUTO REFRESH FUNCTION
* Only when the file register is set to "Use the designated file" with the "Parameter",
R and ZR can be used as the auto refresh devices. When "Use same file name as program" is
set, R and ZR cannot be used.
REMARK
Table 7.1 List of auto refresh settings (Continued)
Item Description Setting range
Setting station
MLT
Batch refresh device for
special register
• The destination device for special register is set.
T, ST, C, D, W, R, ZR
*
Auto update buffer
specification
• The buffer capacity for automatic update is set. 128 to 4096
Total number of slave
stations
• The last station number of the remote station connected to the master station
is set.
1 to 64
Delay timer • The delay time of link scan is set.
1 to 100
(0 is invalid.)
Standby station specification • The use status of the stand-by master function is set.
• Not used
• Used
Number of retries • The number of retries at the occurrence of a transient transmission error is set. 1 to 7
Number of automatic return
stations
• The number of automatic return stations is set to one link scan. 1 to 10
Operation specification for
CPU stop
• When the CPU module has stopped, continuation/stop of the data link is set.
•Stop
• Continue
Scan mode setting • Synchronization/Non-synchronization is set to the CPU module scan.
• Non-synchronization
• Synchronization
Station type • The model for each remote station is set.
• Remote I/O station
• Remote device
station
• Intelligent device
station
Number of occupied stations • The number of occupied stations for each remote station is set.
• 1 station
•2 stations
•3 stations
•4 stations
Specification of reserved
station
• Reservation for remote station is set.
•Not reserved
• Reserved
Specification of invalid
station
• Validity/Invalidity for error detection of the remote station is set.
•Invalid
• Valid
1) In "Setting station" in the table above, M refers to the master station, L to the
local station, and T to the stand-by station.
2)
In the table above, means that the setting can be made and means that
the setting is not required.