Samson 3374-11 - 8 Operating Level; Selecting the Operating Mode

42 EB 8331-4 EN
Operating level
8 Operating level
The operating level is active while the actuator is in the automatic mode. In this level, import-
ant information on the operation is shown, the operating mode is selected and the initializa-
tion started. The other levels are accessible from the operating level.
All the parameters of the operating level as well as fatal and EEPROM errors are listed in
section17.2.1.
8.1 Selecting the operating mode
The actuator is normally in automatic mode indicated by the icon (displayed in Code 0 to
3). In automatic mode, the actuator stem follows the input signal according to the functions
set in the conguration level.
In manual mode, the actuator stem moves to the adjusted manual positioning value. An ac-
tive manual mode is indicated in Code 0 by the
icon.
Code Description WE Adjustment range
2 Operating mode AUTO AUTO (automatic mode)
MAN(manual mode)
3 Positioning value (manual mode) – 0.0 to 100.0%
The positioning value (manual mode) selected in Code 3 must be adjusted by the amount
corresponding to at least half the dead band (adjustable in c67, page59). Otherwise, the
actuator stem will not move.
Example: Dead band adjusted to 2.0 % (default setting)
à
The positioning value (manual mode) must be adjusted by at least 1.0% (for example,
moving the actuator stem from 2.2% to 3.2%).
Note