Mitsubishi MELSEC-Q Series User Manual page 291

APPENDIX
Device Item
(S1) + 0 Completion status
(S1) + 1 Setting flag
Number of
connected modules
(S1) + 2
involved in
communication
(S1) + 3 Number of retries Sets the number of retries to a communication faulty station.
Number of
(S1) + 4 automatic return
modules
Operation
(S1) + 5 specification when
CPU is down
Scan mode
(S1) + 6
specification
(S1) + 7 Delay time setting Sets the link scan interval. (Unit: 50µs)
App - 30
Control data
Stores the status when the instruction is complete.
0 : No error (normal completion)
Other than 0: Error code
Specifies whether the individual setting data from (S2) to
(S5) is valid or invalid.
1
0: Invalid
1: Valid
b15 b4 b3 b2 b1 b0
0 to 0
Slave station setting data (S2)
Reserved station specification data (S3)
Error invalid station specification data (S4)
Send, receive and automatic refresh buffer assignment data (S5)
Sets the number of connected slave stations.
Sets the number of slave stations that can be returned per
one link scan.
Specifies the data link status when a master station PLC
CPU error occurs.
0: Stop
1: Continue
Specifies either the synchronous or asynchronous mode for
sequence scan.
0: Asynchronous
1: Synchronous
1 For the setting data specified invalid, default parameter will be applied.
Set data
MELSEC-Q
Setting range Set by
— System
—
1 to 64
User
1 to 7
1 to 10
0, 1
0, 1
0 to 100
App - 30