Danfoss AK-CC 460, User Manual, Page: 26 / 30

DI1
Digital input signal.
The defined function is active when the input is short-circuited/
opened. The function is defined in o02.
DI2
Digital input signal.
The defined function is active when the input is short-circuited/
opened. The function is defined in o37.
AO
Analogue output (only application 2) 0 - 10 V signal for variable
speed compressor control.
S7, S3, S4, S5, S6
Pt 1000 ohm
S7, brine sensor, should be placed at the cold inlet to the heat
exchanger
S3, air sensor, placed in the warm air before the evaporator
S4, air sensor, placed in the cold air after the evaporator
(the need for either S3 or S4 can be deselected in the
configuration)
S5, defrost sensor, placed on the evaporator
S6, product sensor
EKA Display
If there is be external reading/operation of the controller, display
type EKA 163B or EKA 164B can be connected.
RS485 (terminal 51, 52, 53)
For data communication, but only if a data communication
module is inserted in the controller. The module can be a LON
RS485, DANBUSS or a MODBUS.
Terminal 51 = screen
Terminal 52 = A (A+)
Terminal 53 = B (B-)
(For LON RS485 and gateway type AKA 245 the gateway must be
version 6.20 or higher.)
RJ45
For data communication, but only if a TCP/IP module is inserted in
the controller. (OEM)
MODBUS
For data communication.
Terminal 56 = screen
Terminal 57 = A+
Terminal 58 = B-
(Alternatively the terminals can be connected to an external
display type EKA 163A or 164A, but then they cannot be used
for data communication. Any data communication must then be
carried out by one of the other methods.)
Connections
Application DO1 DO2 DO3 DO4 DO5 DO6 DO7 DI1 DI2 DI3 AI1 AI2 AI3 AI4 AI5 AI6 AO
1 and 3
• • •
S7 S3 S4 S5 S6
2
• • •
S7 S3 S4 S5 S6 0-10V
Appplication 1 and 3
Appplication 2
DI1 DI2
DO1 DO2 DO3 DO4 DO5 DO6 DO7
In application1, the compressors are controlled sequentially. Compressor 1 is first in and last out.
In application 3, the compressors are controlled cyclically.
DO2 DO3 DO4 DO5 DO6 DO7 D13
DI1 DI2 AO
User Guide | Controller for SemiPlugin appliance, AK-CC 460
26 | BC230086440483en-000201 © Danfoss | DCS (vt) | 2019.12