Parameter No. Function name Data
Default
data
Unit
F01
1st Frequency Reference
Selection
14: RS-485 communication
0 -
C30
2nd Frequency Reference
Selection
*1
2 -
S01 Frequency Reference
-32,768 to 32,767
+20,000 or -20,000 = Maximum output
frequency
0 -
S05 Frequency Reference 0.00 to 655.35 Hz 0.00 Hz
S19
Speed Command via Com-
munication
-32768 to 32767 0 r/min
C89
Set-point Factor Numerator
via Communication
-32768 to 32767 0 -
C90
Set-point Factor Denomina-
tor via Communication
-32768 to 32767 0 -
*1. To enable switching to the 1st and 2nd control, allocate “12: SET (2nd control)” to either of input terminal
[DI1] to [DI7].
• S01, S05 and S19 that are set via Modbus communication or USB communication are converted to
the final set frequency with priority given to the last written value.
· Modbus
communication
· USB connector
(Sysmac Studio)
Set frequency
S01
S05
S01
S05
S19
¹0
0
¹0
0
Priority given
to the last
written value
Set frequency
for communication
8-10-3
Forced Commands via Communication
To forcibly give priority to commands via communication also when a command other than via commu-
nication is currently selected, set Support Tool Link Function Selection (y99).
Parameter No. Function name Data
Default
data
Unit
y99
Support Tool Link Function
Selection
0: Numerical setting and terminal com-
mand (including operation command ) by
related parameter settings
1: Numerical setting uses communica-
tions command (support tools)
2: Terminal setting uses communications
command (support tools)
3: Both numerical setting and terminal
command use communications com-
mand (support tools)
Numerical setting means Frequency ref-
erence, torque command, or torque bias
command.
0 -
8 Communications Functions
8-88
M1 Series Standard Type User's Manual (I669)
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