Yaskawa Z1000 AC Drive HVAC - Manual (Page 106)

4.3 The Drive, Programming, and Clock Adjustment Modes
The drive has a Drive Mode to operate the motor, a Programming Mode to edit parameter settings, and a Clock Adjustment
Mode to adjust the Real Time Clock.
Drive Mode: In Drive Mode the user can operate the motor and observe U Monitor parameters. Parameter settings cannot be
edited or changed when in Drive Mode.
Programming Mode: In Programming Mode the user can edit and verify parameter settings and perform Auto-Tuning. When
the drive is in Programming Mode it will not accept a Run command unless b1-08 is set to 1.
Note: 1. If b1-08 is set to 0, the drive will only accept a Run command in Drive Mode. After editing parameters, the user must exit the Programming
Mode and enter Drive Mode before operating the motor.
2. Set b1-08 to 1 to allow motor operation from the drive while in Programming Mode.
u Real-Time Clock (RTC)
The drive has a Clock Adjustment Mode to set and adjust the Real-Time Clock.
Clock Adjustment Mode: When o4-17 is set to 1, the HOA keypad will show the Clock Adjustment display. In Clock
Adjustment Mode, the user can adjust the Real-Time Clock. When the drive is in Clock Adjustment Mode, it will not accept
a Run command.
u Clock Adjustment
The HOA keypad will display the Real Time Clock Adjustment Display in Figure 4.7 when the drive is powered up for the
first time. Refer to Manual Clock Adjustment Procedure by Setting o4-17 to 1 on page 107 for the Real-Time Clock setting
procedure.
Note: Setting the Real-Time Clock will clear a “TIM” alarm.
20 1 0/01/01 00:00
Second per month
+ 0 sec
YYYY/MM/DD HH:MM
FWD
A
B
A – Real Time Clock Setting Display B – Gain/Loss Adjustment Display
Figure 4.7 Real Time Clock Adjustment Display
Display Description
YYYY Set the year with the last two digits.
MM Set the month with two digits.
DD Set the day with two digits.
HH:MM Set the hours and minutes, with two digits for each.
Second per month Set the gain or loss in seconds per month.
Moving the Cursor
Pressing the F2 key or the RESET key will move the cursor to the digit on the right. Pressing the F1 key will move the cursor
to the left.
Changing Settings
• Changing YYYY/MM/DD HH:MM: Pressing the up arrow key will increase the number selected by the cursor from 0 to
9. Pressing the down arrow key will decrease the number selected by the cursor from 0 to 9.
• Setting the Seconds per Month: Pressing the up arrow key will increase the number selected by the cursor from -504 to
+488 in increments of 8. Pressing the down arrow key will decrease the number selected by the cursor from -504 to +488
in increments of 8.
4.3 The Drive, Programming, and Clock Adjustment Modes
106 YASKAWA ELECTRIC TOEP YAIZ1U 03A YASKAWA AC Drive – Z1000 User Manual