Chapter 7 Troubleshooting
PAGE 7-12
7-5. RTC
The HFC3000 controller is equipped with an RTC (real time clock) for holding date and time data.
・Model ANG-RTC
・Backup power source Backup by electric double layer capacitor
Backup duration in power OFF state Approx. 1000 hours
Power ON time needed for full charging of clock unit 1 hour
With a spare controller, etc., be careful because the time setting inside a controller will be cleared if
the control power of the controller is not turned on for 2 months or more.
Please perform time adjustment periodically because the clock loses time
at a rate of approximately 10 minutes a month.
●Procedures for Changing the Date/Time of a controller (Indicator)
1. Long-press the PROGRAM switch of the controller.
2. Operate the arrow switches to make “SYS” be indicated at the Work No. indication part and “019” or
“20” (“RTC: Year/Month/Day (Time)”) be indicated at the COUNT/D-No. indication part and then press
the [SET] switch.
3. After transition to the set value editing mode, operate the arrow switches to change to the desired date
or time (“▲”, “▼”: for incrementing/decrementing the value; “◄“, “►”: for moving the cursor).
4. Press the [SET] switch, and within 2 seconds, press the “▲” or “▼” switch to change “NO” to “YES,”
and then press the [SET] switch again.
5. Long-press the PROGRAM switch of the controller.
* Besides the method of setting from the indicator, synchronization with the date/time of the PC can be
performed from the “Date/Time Setting” window of the HFC3000 User Console.
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