46
System Set-up
Section 3-2
• The Display will not be lit for some seconds during start-up (either by
power-up or software reset).
• The Display will not be lit for some time when the following commands are
executed in the MC Unit:
• Reading and writing Servo Driver parameters.
• Clearing the alarm status of the Servo Driver.
3-2
System Set-up
Servo Driver Settings
The Servo Driver is required to have the following settings. Refer to the
OMNUC W-series User’s manual (I531) for details.
Servo Cycle Period
Setting
The MC Unit SERVO_PERIOD system parameter can be used to set the MC
Unit Servo Cycle and the Servo Driver communication access time. The fol-
lowing values are valid:
SERVO_PERIOD = 500 s (default)
SERVO_PERIOD = 1000 s
Param-
eter No.
Parameter Name
Required
Setting
Explanation
Remark
Pn000.1
Control Mode
Selection
0
Speed Control
9
Torque / Speed Control
Pn002.0
Torque command
input (during
speed control)
0
Not used
1
Use TREF as analog torque
limit input
Pn002.1
Speed command
input (during
torque control)
0
Not used
1
Use (S)REF as analog speed
limit input
Pn003.0
Monitor 1
2
Torque Reference Monitor
Pn003.1
Monitor 2
0
Motor Speed Monitor
Pn50A.0
Input Signal Allo-
cation Mode
1
User-defined
Pn50A.1
RUN Signal Input
Allocation
8
Always disabled
Switch is controlled by the MC
Unit.
Pn50A.2
MING Signal Input
Allocation
8
Always disabled
Switch is controlled by the MC
Unit.
Pn50A.3
POT Signal Input
Allocation
2
Assigned to CN1, pin 42 (valid
for low input)
8
Always disabled
Pn50B.0
NOT Signal Input
Allocation
3
Assigned to CN1, pin 43 (valid
for low input)
8
Always disabled
Pn50B.1
RESET Signal
Input Allocation
8
Always disabled
Switch is controlled by the MC
Unit.
Pn50C.3
TVSEL Signal
Input Allocation
8
Always disabled
Switch is controlled by the MC
Unit.
Pn511.0
-
8
Always disabled
Pn511.1
-
8
Always disabled
Pn511.2
-
8
Always disabled
Pn511.3
/EXT3 (Print Reg-
istration) Signal
Input Allocation
6
Assigned to CN1, pin 46 (valid
for low input)
Print registration on rising
edge.
F
Assigned to CN1, pin 46 (valid
for high input)
Print registration on falling
edge.
µ
µ