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INSTALLATION MANUAL
CAA480A
Elevator Controller
Button's "common"
terminal
Elevator car
Button's input
Floor Button
Terminal
9] JUMPER SETTINGS
HIGH/LOW E-BUS BIAS JUMPERS (DEFAULT "HIGH")
These jumpers adjust the E-BUS BIAS. These jumpers are only applicable
if the CAA480A is connected to the CTV900A revision 200 or higher.
Normally, both jumpers should be set to "HIGH" unless you are employing a set mode
as described in the CTV900A Installation Manual. Refer to Figure 8.
Figure 8: High/Low E-BUS BIAS Jumpers:
E-BUS
A+
B-
GND
TAMPER
TAMPER
Elevator Control System
Elevator Control
Microprocessor
Floor Security Input
"common" terminal
Floor Security Input
A
LOW HIGH
B
LOW HIGH
EOL
Fail-safe Connection Method
(N.C. Floor Control Relay connection)
CAA480A Elevator Controller
terminal
Fail-secure Connection Method
(N.O. Floor Control Relay connection)
CAA480A Elevator Controller
E-BUS Jumper Settings
BIAS LOW
A
LOW HIGH
B
LOW HIGH
ADRESS 1
COM1
ADRESS 2
ADRESS 4
NO1
ADRESS 8
NC1
RLY COMMS
COM2
RLY OFF/ON
DRM ENABLED
NO2
PWR OFF/ON
OR
COM1
NO1
NC1
COM2
NO2
BIAS HIGH
LOW HIGH
LOW HIGH
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A
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