91
ENG
pRack +0300025EN rel. 1.3 - 17.12.2015
• Pumped, 2 suction lines (built-in driver for managing the heat
exchanger on the fi rst line), 1 condenser line, single board;
I/O
I/O
I/O
EEV
pR300
Fig. A.t
• Pumped, 2 suction lines (external driver for managing the heat exchanger
on the fi rst line), 1 condenser line, double board
I/O
I/O
I/O
S2
S1
EVD
evolution
EEV
S3
FBUS
pLAN
C1
NO1
NO2
NO3
C1
C4
NO4
NO5
NO6
C4
C7
NO7
C7
NO8
C8
NC8
G
G0
U1
U2
U3
GND
+VDC
+Vterm
GND
+5 VREF
U4
GND
U5
GND
VG
VG0
Y1
Y2
Y3
Y4
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
IDC1
J1
J24 J2 J3
J4 J5
J14
J10
J13J12
J15
FieldBus card BMS card
J11 pLAN
J25
BMS2
J26
FBus2
43 21
pR300
C1
NO1
NO2
NO3
C1
C4
NO4
NO5
NO6
C4
C7
NO7
C7
NO8
C8
NC8
G
G0
U1
U2
U3
GND
+VDC
+Vterm
GND
+5 VREF
U4
GND
U5
GND
VG
VG0
Y1
Y2
Y3
Y4
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
IDC1
J1 J24 J2 J3
J4 J5
J14
J10
J13J12
J15
FieldBus card BMS card
J11 pLAN
J25
BMS2
J26
FBus2
43 21
pR300
Fig. A.u
• Pumped, 2 suction lines (built-in driver for managing the heat
exchanger on the fi rst line), 1 condenser line, double board
I/O I/O
I/O
EEV
pLAN
C1
NO1
NO2
NO3
C1
C4
NO4
NO5
NO6
C4
C7
NO7
C7
NO8
C8
NC8
G
G0
U1
U2
U3
GND
+VDC
+Vterm
GND
+5 VREF
U4
GND
U5
GND
VG
VG0
Y1
Y2
Y3
Y4
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
IDC1
J1 J24 J2 J3
J4 J5
J14
J10
J13J12
J15
FieldBus card BMS card
J11 pLAN
J25
BMS2
J26
FBus2
43 21
pR300
pR300
Fig. A.v
Note: don't confi gure the second condensing line.
A.3 System confi gurations with more than
one pLAN board
If the system confi guration involves the connection of more than one
board in a pLAN, the addresses must be set correct before select a
solution of confi guration.
For the addresses to be assigned to the pRack pR300 boards see Appendix
A.1.
pRack pR300 can use two user terminals (as well as a built-in terminal)
with addresses 31 and 32. The default user terminal address is 32, so only
if a second terminal is required must the address of this be set to 31,
as described below. The address of the terminal is also required when
having to set the address of the pRack pR300 boards, when multiple
boards are connected to the pLAN.
After having correctly connected and confi gured the pLAN network
of pRack pR300 boards, the system can be confi gured as described in
paragraph 4.1.
A.3.1 Setting the address of the terminal
The pRack pR300 user terminal is supplied with the default address 32,
allowing the terminal to be used without requiring any additional operations;
nonetheless, in order to use an additional terminal or confi gure the pLAN
address of the boards, it needs to be changed according to the following
procedure:
1. power the terminal via the special telephone connector;
2. press the 3 buttons, , and together for at least 5 seconds;
the terminal will display a screen similar to the one below, with the
cursor fl ashing in the top left corner:
Display address
setting.........:32
I/O Board address:01
3. press once: the cursor will move to the “Display address setting”
fi eld;
4. select the desired value using and , and confi rm by pressing
again; if the value selected is diff erent from the value saved, the
following screen will be displayed and the new value will be saved to
the display’s permanent memory.
Display address
changed
Note: if the address fi eld is set to 0, the “I/O Board address” fi eld is no
longer displayed, as it has no meaning..
Important
• if the settings are not made correctly, the text and the images on the
display will be displayed incorrectly and out of order.
• if during this operation the terminal detects inactivity of the pRack
board whose output is being displayed, the display is cleared and a
message similar to the one below is shown.
Display address
changed
Board with
pLAN address 1
Board with
pLAN address 2
Board
with
pLAN
address 1
Board with
pLAN address 2
Board with
pLAN address 1
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