HYDAC HDA 5500-3-2-DC-000 - Manual (Page 17)

HDA 5500 User Manual
- 17 -
12 Programming enable
The unit has two types of programming enable, the operating programming enable and the
main programming enable. Both types must be enabled to change the settings.
The operating programming enable provides protection from unintentional changes to the
settings during normal operation. The operating programming enable can be altered during
operation.
The main programming enable provides general protection from changes to the settings.
The main programming enable can only be altered when the HDA 5500 is switched on.
12.1 Altering the operating programming enable
Procedure:
• During normal operation, press the and keys simultaneously and hold down for at
least 3 s.
• OPrG (Operating Programming) is displayed.
• After approximately 2 s the display changes and the actual setting is displayed:
Free (programming enabled) or Loc (programming disabled).
• Within approx. 3 s the setting can be changed to Loc or Free by pressing or .
• If or is not pressed for approximately 3 s or longer, then the displayed setting is
accepted. If a setting has been altered, then ProG (programming) is displayed for ap-
proximately 2 s. This means the changed setting is stored in the HDA 5500. Afterwards
the display returns to normal operation.
3 s
measured value
3 s
Press both arrow
keys simultaneously
and hold down for 3 s
Use to change setting
Loc
FrEE
= programming disabled
= programming enabled
Display
(release
arrow keys)
2 s
mode mode
or
Displays