
Computec
CDD6
EN
CDD6: user manual – rev.07
Page 14/74
3.4
Check of electrical parts
Step
Operation
Description
0
Preliminary checks
Press OFF button on the door drive front panel.
Be sure that no power supply is present.
1
Motor Connections
1.Connect the motor cable to the pins of the X4 connector:
PIN Description
Wire Color
43
Positive (phase A for brushless)
Brown (1 for brushless)
44
Negative (phase B for brushless)
White (2 for brushless)
45
(phase C for brushless)
(3 for brushless)
Keep in any case the previous connection order, in case no
numbering rings are present, or in case the wires color is different
from the one described.
2.If present, connect the encoder cable with its RJ45 male to the X5
connector.
3.If present, connect the external battery kit to the positive (+) and
negative (-) pins of the X4 connector.
2
MLC interface connection
In case of replacement of different controllers with different plugs
proceed as following reported, otherwise plug the previous
connectors as they are.
Check the common voltage used, and the used contacts:
Common
Connections
Internal 24V_DD
(CDD6)
Check the presence of the 37-38 bridge as
GND reference
External 24V_EC
(MLC)
Remove the 37-38 bridge, only in case there
are no local contact installed on the car roof
For further information please refer to the paragraph 4.2.1
Connection of the MLC commands and of the local contacts:
PIN Name
X3.1 Pin Description
15
24V
Common 24V, available for MLC commands
5
DOC
Opening command
3
DCC
Closing command
22
RSC
Reduced speed command
23
RVC
Reversing command from detector
39
FFC
Fire-Fighting mode enable input
PIN Name
X3.2 Pin Description
42
AUXC
Programmable Auxiliary input
41
DTBC
Second TB management input
40
EOC
Battery Evacuation floor input
38
0V_IN
GND input for the photo-coupled inputs
37
0V_DD Auxiliary GND of the door drive for the inputs
21
BUZS
Contact for Acoustic signal
For further information please refer to the paragraph 4.2.1