6 Utility Functions (Fn)
6-14
6.8 Offset Adjustment of Analog Monitor Output (Fn00C)
This function is used to manually adjust the offsets for the analog monitor outputs (torque reference monitor
output and motor speed monitor output). The offset values are factory-set before shipping. Therefore, the user
need not usually use this function.
(1) Adjustment Example
An example of offset adjustment to the motor speed monitor is shown below.
Note:
• The adjustment value will not be initialized when parameter settings are initialized using Fn005.
• Make offset adjustment with a measuring instrument connected, so that the analog monitor output is zero. An
example of settings for a zero analog monitor output is shown below.
• While the servomotor is not turned ON, set the monitor signal to the torque reference.
• In speed control, set the monitor signal to the position error.
(2) Preparation
The following condition must be met to adjust the offsets of the analog monitor output.
• The write prohibited setting parameter (Fn010) must be set to Write permitted (P.0000).
(3) Operating Procedure
Use the following procedure to perform the offset adjustment of analog monitor output.
Item Specifications
Offset Adjustment Range -2.4 V to + 2.4 V
Adjustment Unit 18.9 mV/LSB
Analog monitor output
voltage
Motor speed
Offset
adjustment
Step Display after Operation Keys Operation
1
Press the Key to view the main menu for the
utility function.
Use the or Key to move through the list and
select Fn00C.
2
Press the Key. The display changes to the Fn00C
execution display.
BB − FUNCTION−
Fn00B:Trq Adj
Fn00C:MonZero Adj
Fn00D:MonGain Adj
Fn00E:Cur AutoAdj
BB − Zero ADJ−
CH1=− 00002
CH2=− 00001
Un002=0 00000
Un000=0 00000
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