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INSTALLATION MANUAL
CAA480A
Elevator Controller
Some advanced elevators are not controlled using relays but through a microprocessor.
As well, some of these advanced elevators provide additional connection terminals
(Floor Security Input terminals) from which to connect security devices such
as the CAA480A. So instead of connecting the CAA480A to the elevator system
floor button terminals, as described in the Fail-Safe (page 8) and Fail-Secure (page 9)
connection methods, the CAA480A will be connected directly to the supplied Floor
Security Input terminals. If this is so, then a simple normally open (Fail-Secure)
or normally closed (Fail-Safe) contact is connected to the elevators control system's Floor
Security Input terminals depending on the elevator control system being used. Verify
with the elevator company that installed or maintains the elevator control system whether
their system follows N.O. or N.C. operation and have the terminals wired according
to their requirements. Connect the "COM" terminal of the desired floor control relay
from the CAA480A to the appropriate elevator control system Floor Security Input
common terminal. Then connect either the "NO" or "NC" terminal from the desired floor
control relay of the CAA480A to the appropriate elevator control system Floor Security
Input terminal. Refer to Figure 7 for more details.
It is very important that a trained and registered elevator service company connect any wiring
!
!
associated with any components of the elevator system, this includes the wiring of the CAA480A's
floor control relays.
Figure 7: Security Enabling Control:
Elevator Car
Card Reader 1
10
cdvigroup.com
To
Floor Security input
terminals
Elevator
Control
System
To
Floor Button
relays
E-BUS
CAA480A
CTV900A
Elevator
Controller
Controller
EN
To next
CAA480A
Elevator
Controller
Card Reader 2
for second
Elevator Car
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