Danfoss AK-SM 850 - Control Configuration

6
Control tab
The control tab is the central conguration page for your control
requirements. It lays out the dierent application areas and
allows the Commissioning Engineer to dene what applications
are on site. Once the application areas are dened on this page,
more detailed commissioning is done in the dedicated applica-
tion tabs (covered in following section). Note that depending on
your license version, dierent applications may be visable (or not).
Please also note that the SM provides the ability to congure
centralized or de-centralized control. Centralized control is
where your SM has the control logic built in and uses Danfoss I/O
to provide refrigeration control. De-centralized is the control
method via the use of Danfoss Pack and case controllers
Show only scanned devices:
Select ‘yes’ if your controller devices are already on the
network, with valid addresses and connected to the
AK-SM. By setting to ‘yes’ and after a network scan
(covered in next section) only discovered devices will be
shown in the drop down boxes. If your controllers are not
yet on the network, keep this selection to no.
Number of Racks / Packs (max 12):
Enter the required amount of suction groups.
Rack type (Use I/O selection for centralized
control, select controller type if using de-cen-
tralized)
AK IO = built in control via AK I/O
No Compressor = No Compressor control
Device selection = select required controller
Note: Variable speed drive can be selected as a
pack controller.
Centralized
De-Centralized
Pack & Case
Rack I/O
For centralized control, ensure the control type is set to
IO (input/Output). This alerts the SM that you wish to
use Danfoss Board and Point conguration for your
refrigeration application
For de-centralized control, ensure the control type is
set to your required controller type (via drop down
menu)
Suction groups (Suction group or Evaporator
control)
Add your required quantity of suctions groups
(centralized logic) OR enter how many evapora-
tor controls are available under your Pack
(de-centralized)
Note: suction group / evap conguration is then
done under the Refrigeration tab
AK-SM 850 User Guide Lit. no. USCO.PI.R1.E1.02 © Danfoss 07-2013 29