Mitsubishi Electric Melsec Q Series User Manual page 87

Profibus-dp master module
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3
SPECIFICATIONS
(b) Setting global control services (b5 to b2)
(c) Setting the target group No. (b15 to b8)
Remark
The following service combinations are not executable at the same time.
• SYNC and UNSYNC (If both services are attempted concurrently, UNSYNC
only is enabled.)
• FREEZE and UNFREEZE (If both services are attempted concurrently,
UNFREEZE only is enabled.)
The following shows the services and their set values for b5 to b2.
1) Setting for execution of the SYNC and UNSYNC services
Service to be Executed
* 1 When 1 is set to this bit, it is handled as an invalid value. (The operation is the same as when the
value is set to 0.)
2) Setting for execution of the FREEZE and UNFREEZE services
Table3.20 FREEZE/UNFREEZE Settings (b3, b2)
Service to be Executed
UNFREEZE
* 1 When 1 is set to this bit, it is handled as an invalid value. (The operation is the same as when the
value is set to 0.)
Multiple group Nos. can be set for the target group No.
When 0s are set to all of b8 to b15, the set global control service is sent to all DP-
Slaves (including DP-Slaves for which group No. is not set).
For details on the global control, refer to Section 4.1.3.
3.4 Buffer Memory
3.4.9 Global control area
Table3.19 SYNC/UNSYNC Settings (b5, b4)
SYNC
UNSYNC
FREEZE
Set Value
b5
b4
1
0
1
1
0 *
Set Value
b3
b2
1
0
1
1
0 *
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