
APV_CU4 AS-i_UK-5_072018.indd
UK
Control Unit
CU4 AS-interface
Instruction manual: UK - rev. 5
APV
22
6. Electronic module
6.3.
Use of data bits
Communication data
The use of the data bits shall be drawn from the following
table:
Data bit
Info
Connection
Level
DO0
0
main valve
Low (no electric current)
(output)
1
High (current)
DO1
0
upper seat lifting (optional)
Low (no electric current)
(output)
1
High (current)
DO2
0
lower seat lifting (optional)
Low (no electric current)
output)
1
High (current)
DO3
free
(output)
Feedback bridge
Data bit
normal (10 11 12)
reverse (10 11 12)
DI0
valve position, sensor 1
(closed valve position)
valve position, sensor 2
(open valve position)
(input)
DI1
valve position, sensor 2
(open valve position)
valve position, sensor 1
(closed valve position)
(input)
DI2
Permanent "1"
Permanent "1"
(input)
DI3
Permanent "1"
Permanent "1"
(input)