Chapter
3
Operation,
Display
and
Trial
Running
19
3.5 Servo Pump Commissioning
3.5.1 AI Zero Drift Auto Correction
Step
Function
Code Setting
Parameter
Description
Remarks
1. Set the
command source.
F0-02 = 0
The operation panel
control mode is used.
The LOCAL/REMOT indicator is
OFF.
2. Perform AI zero
drift auto correction.
A3-20 = 1
The AI zero drift auto
correction function is
enabled.
After the operation panel displays
"Alcod", press
. Then, AI zero
drift auto correction is carried out.
You can also perform AI zero drift correction manually: When A3-20= 0 (that is, AI zero drift auto
correction is disabled), view the values of three AIs in U1-04 to U1-06, add 10 mA to each of the
values and then enter the results in F4-18, F4-23, and F4-28.
After AI zero drift auto correction is completed, the value of A3-20 is automatically restored to 0.
3.5.2 Selection and Parameter Setting of Hydraulic Control Mode
Hydraulic Mode Selection
Function Code
Setting
Description
Non-hydraulic control mode
A3-00 = 0
The speed mode is used.
Hydraulic control mode 1
A3-00 = 1
The host computer provides the hydraulic
pressure reference and flow reference by
using CAN communication; AI3 provides the
hydraulic pressure feedback; the servo drive
conducts hydraulic control.
Hydraulic control mode 2
A3-00 = 2
AI1 provides the hydraulic pressure reference;
AI2 provides flow reference; AI3 provides the
hydraulic pressure feedback; the servo drive
conducts hydraulic control.
CAN hydraulic control mode
(specialized)
A3-00 = 3
It is the hydraulic control mode implemented
by using CAN communication with the host
computer. The servo pump control parameters
in group A3 are invalid.
Reserved
A3-00 = 4
Reserved