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Part 5 Chapter 5 Servo Adjustments Edition 1.0 5-5-6 CP-6 Series Mechanical Reference Manual Zero Adjustment → [ ▲ ] (sw 2) → [0] [0] [-] [0] [3] will be displayed → Press MODE (sw 4) twice → [b] [_] [*] [*] [*] will be …
Part 5 Chapter 5 Servo Adjustments
Edition 1.0 5-5-5 CP-6 Series Mechanical Reference
5.2.1 CP-642 Servo Adjustments
When performing servo adjustments on the CP-642, the machine should be booted up in
“Mechacheck mode”, the boot-up procedure for which is detailed in the section below.
Note: The procedure explained below is valid from ROM versions 305 or later.
Before Starting Adjustments
1) Boot-up the machine in “Mechacheck mode”.
[3] (axis change button) + RESET + POWER ON
Following this, both shutters should be raised to avoid collision with the device
tables.
2) Ensure the cam axis is at 0° and that all stopper solenoids are set to OFF.
3) Specify the axis to be adjusted:
[SERVO] (F5) → [+ PAGE], [- PAGE]
4) Prepare axis movement:
[SERVO MOVE] (F1)
5) Perform zero-setting.
Zero Adjustment
<D-Axis>
[V_TEST] (F3) → [ZERO] (F3) → START
The current servo count appears on the screen. The value will fluctuate.
Turn the ZERO volume on the amp slowly to eliminate any fluctuation.
When the counter becomes stable, press CYCLE STOP.
Refer to the figure below for the location of the ZERO volume.
<C-Axis>
[V_TEST] (F3) → [ZERO] (F3) → START
The current servo count appears on the screen. The value will fluctuate.
When adjusting the amp, perform automatic zero adjustment first and then manual
adjustment.
Automatic Zero Adjustment
[MODE] (sw 4)
→ [C] [n] [-] [0] [0] will be displayed
→ [DATA] (sw 1 + sw 4)
→ [0] [0] [-] [0] [0] will be displayed
→ [▲] (sw 2)
→ [0] [0] [-] [0] [1] will be displayed
→ [MODE] (sw 4)
ZERO
CP6M5078
Part 5 Chapter 5 Servo Adjustments
Edition 1.0 5-5-6 CP-6 Series Mechanical Reference
Manual Zero Adjustment
→ [▲] (sw 2)
→ [0] [0] [-] [0] [3] will be displayed
→ Press MODE (sw 4) twice
→ [b] [_] [*] [*] [*] will be displayed
→ Press [▲] or [▼] to eliminate any fluctuation
→ Press MODE (sw 4) to register the data when the counter becomes stable
→ Press CYCLE STOP
→ [DATA] (sw 1 + sw 4)
→ [C] [n] [-] [0] [0] will be displayed
[▲]: increase the value [▼]: decrease the value
C-axis servo amp switches
[▲]: sw 2 [←]: sw 1 + sw 2 [▼]: sw 3 [→]: sw 1 + sw 3
MODE: sw 4 DATA: sw 1 + sw 4
<FQ-, FRQ-, NC-Axis>
Connect the Digital Operator to the amp.
[V_TEST] (F3) → [ZERO] (F3) → START
The current servo count appears on the screen. The value will fluctuate. When adjusting
the amp, perform automatic zero adjustment first and then manual adjustment.
Automatic Zero Adjustment
[DSPL SET]
→ [C] [n] [-] [0] [0] will be displayed
→ [DATA ENTER]
→ [0] [0] [-] [0] [0] will be displayed
→ [▲]
→ [0] [0] [-] [0] [1] will be displayed
→ [DSPL SET]
Manual Zero Adjustment
→ [▲]
→ [0] [0] [-] [0] [3] will be displayed
→ Press [DSPL SET] twice
→ [b] [_] [*] [*] [*] will be displayed
→ Press [▲] or [▼] on the Digital Operator to eliminate any fluctuation
→ Press [DSPL SET] to register the data when the counter becomes stable
→ Press CYCLE STOP to stop the axis
→ [DATA ENTER]
→ [C] [n] [-] [0] [0] will be displayed. Press [DSPL SET] to finish.
[▲]: Count value plus-side offset
[▼]: Count value minus-side offset
Part 5 Chapter 5 Servo Adjustments
Edition 1.0 5-5-7 CP-6 Series Mechanical Reference
<X-, Y-, Z-Axis>
Connect the Digital Operator to the amp.
[V_TEST] (F3) → [ZERO] (F3) → START
The current servo count appears on the screen. The value will fluctuate. When adjusting
the amp, perform automatic zero adjustment first and then manual adjustment.
Automatic Zero Adjustment
[DSPL SET]
→ [C] [n] [-] [0] [0] will be displayed
→ [DATA ENTER]
→ [0] [0] [-] [0] [0] will be displayed → [▲]
→ [0] [0] [-] [0] [1] will be displayed → [DSPL SET]
Manual Zero Adjustment
→ [▲]
→ [0] [0] [-] [0] [3] will be displayed
→ Press [DSPL SET] once
→ [A] [_] [*] [*] [*] will be displayed
→ Press [▲] or [▼] on the Digital Operator to eliminate any fluctuation
Press [DSPL SET] twice to register the data when the counter becomes stable
→ Press CYCLE STOP to stop the axis
→ [DATA ENTER]
→ [C] [n] [-] [0] [0] will be displayed
Gain Adjustment
The Gain adjustment is peformed in order to ensure that the axis travel time and
maximum overshoot fall within permissible levels (see chart for tolerance values for each
axis).
In order to perform Gain adjustments, it is necessary to change from “zero test mode” to
“test move mode” :
[MOVE MODE] (Changes to test move mode) [MODE] → [GAIN_TEST] → START
[▲]: Count value plus-side offset
[▼]: Count value minus-side offset