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Function Tables Arranged by Purpose Section 1-7
1-7 Function Tables Arranged by Purpose
1-7-1 Sync Cycles and Synchronized data
Purpose Operation Function used Details
Synchronizing 3
or more axes
Simple control
of all axes oper-
ations from the
Coordinator
Module
Synchronizing
all Motion Con-
trol Modules to
Coordinator
Module cycle
Sync Mode,
Sync Cycle
Time
5-1 Synchronous Operation between Modules
Set Sync Mode to Sync and Sync Cycle Time to
0 ms. Executes Motion Control Module ladder
programs at the same time as Coordinator Mod-
ule ladder program, which makes it easy to con-
trol Motion Control Module program execution
from the Coordinator Module ladder program.
Synchronous
Data Link Bit
Area
5-2 Data Exchange between Modules
If information to be shared between Modules
every cycle is placed in the Synchronous Data
Link Bit Area, it is automatically shared between
Modules every cycle.
Synchronous operation is also possible because
programs can handle the same data between
different Modules.
Example: Sending position data for VIRTUAL
AXIS (AXIS) instruction from a Module; sending
high-speed counter PVs from pulse inputs, etc.
Constant Cycle
Time (Coordina-
tor Module)
Sync Cycle
Time (matches
cycle time)
5-1 Synchronous Operation between Modules
The cycle time of the Coordinator Module can be
made constant using the Constant Cycle Time
function.
This constant cycle time is set as the Sync Cycle
Time in the FQM1.
Cycle Time
(Motion Control
Modules)
5-1 Synchronous Operation between Modules
The Coordinator Module's constant cycle time is
set as the FQM1 Sync Cycle Time (as above).
The I/O refresh interval for the Motion Control
Module within that Sync Cycle Time is made
constant, and the I/O cycle with external inter-
faces is also made constant.
Prohibit System
Interruption of
the Sync Mode
5-4-4 Settings
Used to synchronize, as much as possible, the
start of processing between Modules.
When system interrupts are prohibited, the vari-
ation in the start of processing between Modules
is approx. 2 µs.