D-EOMHP01501-22_00EN 22/29
(
License Manager
)
13
(
BacNETOverRS
)
Off = Passive
On = Active
Defines whether to use the bacnet protocol instead of
modbus on the RS485 port.
W
1
14
(
BacNET-IP
)
Off = Passive
On = Active
Defines the activation of BacNET TCP-IP protocol once
EKRSCBMS
is unlocked.
W
1
15
(
BasProtocol
)
0 = None
1 = Modbus
2 = Bacnet
Defines which protocol’s data the UC considers in its
logic.
W
1
16
(
BusPolarization
)
Off = Passive
On = Active
Define the activation of internal polarization resistor of
UC. It has to be set “Active” only on first unit of the
network.
W
1
The path in the HMI Web interface to access this information is:
•
Main Menu
→
View/Set Unit
→
Protocols
3.19. About Chiller
The application version and the BSP version represent the core of software installed on the controller. The [22] is only read page
contains these informations.
Page
Parameter
R/W
Psw
21
(About)
00
(
App Vers
)
R
0
01
(
BSP
)
R
0
The path in the HMI Web interface to access this information is:
•
Main Menu
→
About Chiller
3.20. HMI Screen Saver
After 5 minutes of waiting the interface is automatically addressed to the Screen Saver menu. This is an only read menu composed
of 2 pages switched each other every 5 seconds.
During this phase the following parameters are displayed:
Parameter
Description
Page 1
String Up
= Leaving Water Temperature
String Dn
= Actual Water Setpoint
Page 2
String Up
= Unit Capacity
String Dn
= Unit Mode
To exit the Screen Saver menu,
it’s necessary to press any of four HMI button. The interface will come back to Page [0].
3.21. Generic Controller Operation
The main controller operations available are
“
Application Save
”
and
“Apply Changes”
. The first one is used to save the
current configuration of parameters in the UC in order to avoid the possibility to lose it if a power fail happens while the second
one is used for some parameters which require an UC reboot in order to become effective.
These commands can be accessed from menu [24]:
Page
Parameter
Range
Description
R/W
Psw
20
(UC)
00
(
AppSave
)
Off = Passive
On = Active
PLC
executes
an
Application Save command
W
1
01
(
Apply Changes
)
Off = Passive
On = Active
PLC executes an Apply
Changes command
W
1
In the HMI Web Interface, Application Save is available at the paths:
•
Main Menu
→
Application Save
While the Apply Changes setpoint can be set at the path:
•
Main Menu
→
View/Set Unit
→
Controller IP setup
→
Settings
3.22. HMI Parameters Navigation Table
In this table is reported the whole interface structure from main menu to any single parameter including the screen saver pages.
Typically, the HMI is composed by pages, containing the parameters, accessible from Main menu. In few cases there is a two-
level structure where a page contains other pages instead of parameters; a clear example is the page [17] dedicated to Scheduler
management.
Menu
Parameter
Sub-Parameter
R/W
PSW Level
[0]
[00.00] Enter PSW
N/A
W
0
