Mitsubishi Electric MELSEC Q Series User Manual page 64

(b) When using I/O signals and the buffer memory
Start
Set the servomotor in the servo-lock status.
Turn on the power.
1
Configure the following items in the switch
setting, and write them to the CPU module.
"Accumulated pulse setting": Set
accumulated pulse amount.
"Zero/gain adjustment mode/Normal
mode setting": Select "Zero/gain
adjustment mode"
Turn off then on the power, or reset the
CPU module.
Check that " Md.9 Zero/gain execution
status" is "2: In the zero/gain adjustment
mode (switch setting)".
Zero adjustment
Set " Cd.10 Zero/gain adjustment
specification to "1: Zero adjustment".
Turn on Zero/gain adjustment change
request signal (Y1B).
Check that Zero/gain adjustment change
complete flag (X2B) is on.
Turn off Zero/gain adjustment change
request signal (Y1B).
Check that Zero/gain adjustment change
complete flag (X2B) is off.
Check that " Md.10 Zero/gain adjustment
status" is "1: Adjusting zero".
*1 The zero adjustment value and gain adjustment value are recorded in the flash ROM inside the QD73A1 by turning on
Zero/gain adjustment data writing request signal (Y1A), and they are not erased even at a power-off.
*2 If an error occurs in the zero/gain adjustment mode, the ERR. LED turns on. If the ERR. LED is on, turn on Error reset
signal (Y28) then perform zero/gain adjustment again.
62
Write the adjustment amount of the voltage
between check pins to " Cd.11 Zero/gain
adjustment value specification".
Turn on Set value change request signal
(Y1C).
Check that Set value change complete flag
(X2C) turned on following the change of
voltage between check pins. Then, turn off
Set value change request signal (Y1C).
(Check that Set value change complete flag
(X2C) is off after turning off Set value change
request signal (Y1C).)
Is the voltage
between check pins 0V?
YES
Gain adjustment
Set " Cd.10 Zero/gain adjustment
specification to "2: Gain adjustment".
Turn on Zero/gain adjustment change
request signal (Y1B).
Check that Zero/gain adjustment change
complete flag (X2B) is on.
Turn off Zero/gain adjustment change
request signal (Y1B).
Check that Zero/gain adjustment change
complete flag (X2B) is off.
Check that " Md.10 Zero/gain adjustment
status" is "2: Adjusting gain".
Write the adjustment amount of the voltage
between check pins to " Cd.11 Zero/gain
adjustment value specification".
Turn on Set value change request signal
(Y1C).
Check that Set value change complete flag
(X2C) turned on following the change of
voltage between check pins. Then, turn off
Set value change request signal (Y1C).
(Check that Set value change complete flag
(X2C) is off after turning off Set value change
request signal (Y1C).)
Is the voltage
NO
between check pins equal to
the gain value?
YES
Turn on Zero/gain adjustment data writing
*1
request signal (Y1A).
Check that Zero/gain adjustment data
writing complete flag (X2A) is on.
Turn off Zero/gain adjustment data writing
request signal (Y1A).
Check that Zero/gain adjustment data
writing complete flag (X2A) is off.
Is the ERR.LED off?
YES
Change "Zero/gain adjustment mode/
Normal mode setting" to Normal mode" in
the switch setting.
End
NO
NO
*2
1