32 Issue 2008-11-13 1004935-US-1.0
11 Electrical Connection
• During any work with the electrical connections the power supply must be discon-
nected.
• If the power cord or cable is damaged, it must be replaced by the manufacturer, its
service agent or similarly qualified persons in order to avoid an electrical hazard.
11.1 Control Units
The operator can be equipped with different control units adapted to the functions
required.
11.1.1 CSDB
This basic control unit is equipped with inputs for connection of automatic and man-
ual activation units such as radars, photocells, normal push buttons, emergency push
buttons etc. Electro-mechanical striking-plate and slave control unit CSDA-S for
double doors can be connected.
11.1.2 EXB
This extension unit is mounted on top of the CSDB to extend the CSDB functions
with inputs for Presence Impulse, Presence Detection, Inner Impulse, OFF and EXIT.