3. Structure and function
3.1 System overview
The following overview displays the basic system components.
C
Fig. 1: System overview
Basic components
A
Power supply unit
B
WTC 200 controller
C
Cover WRU 400
R
Cover WRU 410
E
WRU 400 /
WRU 410 electronic unit
F
Type plate
G
Frame WRU 410
68
A
N/L
12 V - 24 V DC
E
F
Description
• External voltage supply
• External control unit
• Cover with LED window
• Cover with LED window
• Reader unit with integrated LED
• LED red/green
Red: In operation, lock engaged
Green: Lock disengaged
• Product name, approvals
• Mounting frame (Gira / System 55)
B
G
D
E
F