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7.8 Offset Adjustment of Analog Monitor Output (Fn00C)
7-13
7
Utili
ty Fu
ncti
ons (Fn


)
7.8
Offset Adjustment of Analog Monitor Output (Fn00C)
This function is used to manually adjust the offsets for the analog monitor outputs (force 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 force 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 Opera-
tion
Keys Operation
1 Press the MODE/SET Key to select the utility function.
2 Press the UP or DOWN Key to select Fn00C.
3
Press the DATA/SHIFT Key for approximately one second.
The display shown on the left appears.
MODE/SET DATA/
MODE/SET DATA/
MODE/SET DATA/