Carel PRK300D0E0, User Manual, Page: 17 / 104

17
pR300 pR300
C1
NO1 NO2 NO3
C1 C4
NO4 NO5 NO6
C4 C7
NO7
C7
NO8
C8
NC8
G G0 U1 U2 U3 GND +VDC +V
term
GND +5 V
REF
U4 GND U5 GND VG VG0 Y1 Y2 Y3 Y4 ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
7
ID
8
IDC1
J1 J24 J2 J3
J4 J5
J14
J10
J13 J12
J15
F i e l d B u s c a r d B M S c a r d
J11 pLAN
J25 BMS2 J26 FBus2
4 3 2 1
Small
0 Vac/Vdc
24 Vac/Vdc
24 Vac/ Vdc
0 Vac/Vdc
24 Vac/230 Vac
0 Vac/Vdc
24 Vac/Vdc
0 Vac/Vdc
24 Vac/230 Vdc
0 Vac/Vdc
pGDE pRack
GND
+
-
RS485
BMS connections
24 Vac/230 Vac
0 Vac/Vdc
24 Vac/230 Vac
0 Vac/Vdc
U4 GND U5 GND
J3
U1 U2 U3 GND +VDC
J2
OUT 4 OUT 3 OUT 2 OUT 1
Ntc/Pt1000 ID
(
*
)
U1 U2 U3 GND +VDC U1 U2 U3 GND +VDC
ID
A
O/DO
4-20 mA Probe:
*NOT USED Refer to technical leaflet to different 4 -20 mA sensors model
Ratiometric probe:
Univ
ersal inputs
U1-U2-U3-U4-U5
(max 6 ac
tiv
e pr
obes)
Black White Green
Green
White
Black
ENG
pRack +0300025EN rel. 1.3 - 17.12.2015
2.4 pRack pR300 general connection diagram