Danfoss AK-CH 650

22 Capacity controller RS8ER302 © Danfoss 2016-02 AK-CH 650
Extension module AK-XM 205A / AK-XM 205B
max. 10 V
Max. 230 V
AC-1: max. 4 A (ohmic)
AC-15: max. 3 A (Inductive)
Function
The module contains:
8 analog inputs for sensors, pressure transmitters, voltage signals
and contact signals.
8 relay outputs.
Supply voltage
The supply voltage to the module comes from the previous
module in the row.
AK-XM 205B only
Override of relay
Eight change-over switches at the front make it possible to
override the relay’s function.
Either to position OFF or ON.
In position Auto the controller carries out the control.
Light-emitting diodes
There are two rows with LED’s. They mean:
Left row:
• Voltage supply to the controller
• Communication active with the bottom PC board (red = error)
• Status of outputs DO1 to DO8
Right row: (AK-XM 205B only):
• Override of relays
ON = override
OFF = no override
Fuses
Behind the upper part there is a fuse for each output.
Keep the safety distance!
Low and high voltage
must not be connected to
the same output group
AK-XM 205A AK-XM 205B
AK-XM 205B
Override of relay