Stulz EC Tower ECD 91 - 3.3 DIP switch S1; 3.4 DIP switch S2

148 EN/01.2019/G22 © STULZ GmbH – all rights reserved
ec tower technical manual
No. Designation Description
15
X5LED+,
X5LED-
Terminal for external LED for emitting a signal
16
X3S, X3-(-RV) Analog input, 010V DC signal at terminal S, GND at terminal -RV
17
X1X, X1Y X/Y remote control bus terminal, also the electrical supply
18
LED11 to LED13 Status display for digital outputs X4a-K1, X4b-K2 and X4c-K3
3.3 DIP switch S1
DIP switch S1 is used to select the program, set control damping and display behavior. Control damping is not
active in the EC Tower.
NOTE

become effective after the system has been rebooted. An exception to this are DIP switches
S27 and S28, which govern the behavior of the 7-segment display. These DIP switches for
display behavior can also be actuated during ongoing operation.

position of the InterfaceIIIk! The ON switch setting is the position that is closest to the center
of the board.
OFF.
DIP switches S11 to S14 are used for setting Program 8 of the EC Tower at the factory.
S11 S12 S13 S14 Program Designation
OFF OFF OFF ON 8 Direct frequency request

1 second, see “7. Starting up the InterfaceIIIk“ on page 157.
3.4 DIP switch S2
DIP switches S21 to S26 configure program-specific functions. DIP switches S27 and S28 configure
the behavior of the 7-segment display. You can find the precise DIP switch configurations in the section deal-
ing with each program.