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Esempio schemi di collegamento / 

Example connection diagrams

pRack / pCO3 (collegamento Ing. Analogico 4...20 mA) / 

pRack / pCO3 (4 to 20 mA analogue input connection)

LD 2

GREEN

LD 2

RED

P1

Alarm

Alarm

TP1

J5
J6

J4

J3

SW1 SW2

SENSOR

J2

TP2

J1

AC

DC

P4

4-20mA

CN4

CN2

CN1

CN3

0V  V+

N/O COM N/C

Vs

ZERO

P2

SPAN

P3

RELAY

 I

0V  V

GND

 

+

  –

MODBUS

 

TX/TR

TP3

0V

0    0    1    2

5   10   5   10

VOLTS

J7  J8  J9  J10

G

G0

B1

B2

B3

GND

+VDC

+V

te

rm

GND

+5 V

RE

F

B4

BC4

B5

BC5

J1

J24

J2

J3

fi e l d   c a r d

input

:

 24 V   /   ; 50 to 60 Hz

max. po

w

er

:

 40 VA/15W

B1

G0

GND

G

Controllo

G0

G

LD 2

GREEN

LD 2

RED

P1

Alarm

Alarm

TP1

J5
J6

J4

J3

SW1 SW2

SENSOR

J2

TP2

J1

AC

DC

P4

4-20mA

CN4

CN2

CN1

CN3

0V  V+

N/O COM N/C

Vs

ZERO

P2

SPAN

P3

RELAY

 I

0V  V

GND

 

+

  –

MODBUS

 

TX/TR

TP3

0V

0    0    1    2

5   10   5   10

VOLTS

J7  J8  J9  J10

C1

NO1

NO2

NO3

C1

C4

NO4

NO5

NO6

G

G0

B1

B2

B3

GND

+VDC

+V

te

rm

GND

+5 V

RE

F

B4

BC4

B5

BC5

VG

VG0

Y1

Y2

Y3

Y4

ID1

J1

J24

J2

J3

J4

J11 pLAN

J10

J9

J13

J12

F

i e l d B u s   c a r d

B M S   c a r d

J25 BMS2 J26 

F

Bus2

input

:

 24 V    50...60 Hz / 28...36 V

max. po

w

er

:

 45 VA/20 W

seriale RS485 (Modbus®)

GND

+

G0

G

G0

G

LD 2

GREEN

LD 2

RED

P1

Alarm

Alarm

TP1

J5
J6

J4

J3

SW1 SW2

SENSOR

J2

TP2

J1

AC

DC

P4

4-20mA

CN4

CN2

CN1

CN3

0V  V+

N/O COM N/C

Vs

ZERO

P2

SPAN

P3

RELAY

 I

GNX

  V

GND 

+

  –

MODBUS

 

TX/TR

TP3

0V

0    0    1    2

5   10   5   10

VOLTS

J7  J8  J9  J10

B1

G0

GND

G

GND +B1

25

26

27

28

29 30

31 32 33 34 35 36

Sensor

24Vac transformer

230Vac line

24Vac transformer

230Vac line

LD 2

GREEN

LD 2

RED

P1

Alarm

Alarm

TP1

J5
J6

J4

J3

SW1 SW2

SENSOR

J2

TP2

J1

AC

DC

P4

4-20mA

CN4

CN2

CN1

CN3

0V  V+

N/O COM N/C

Vs

ZERO

P2

SPAN

P3

RELAY

 I

0V  V

GND

 

+

  –

MODBUS

 

TX/TR

TP3

0V

0    0    1    2

5   10   5   10

VOLTS

J7  J8  J9  J10

G0

G

pCO5 / PVPRO / PWPRO (collegamento RS485 Modbus) /

 pCO5 / PVPRO / PWPRO (RS485 Modbus connection)

ir33 universale (collegamento Ing. Analogico 4...20 mA) / 

ir33 universal (4 to 20 mA analogue input connection)

Funzionamento autonomo /

 Stand-alone operation

•  Per la confi gurazione dei controlli seguire le 

istruzioni riportate nei relativi manuali;

•  è possibile collegare il sensore contemporanea-

mente l’uscita analogica di un controllo, l’uscita 
digitale per gestire un allarme locale e un collega-
mento seriale RS485 Modbus con il supervisore.

Fig. 3

Fig. 4

CAREL reserves the right to modify the features of its products without prior notice.

Cod. +050003515 - rel. 1.4 - 29.09.2015

 CAREL Industries HQs

Via dell’Industria, 11 - 35020 Brugine - Padova (Italy)
Tel. (+39) 0499716611 – Fax (+39) 0499716600 – www.carel.com – e-mail: [email protected]

• For confi 

guration of the controllers follow 

the instructions shown in the corresponding 
manual;

•  the sensor can be connected at the same time 

with the analogue output to a controller, the 
digital output to manage a local alarm and RS485 
Modbus serial connection to the supervisor.

Fig. 5

Fig. 6

Sensore / 

Sensor

Controllo / 

Controller

Trasformatore 24Vac / 

24Vac transformer

Linea 230Vac / 

230Vac line

Sensore / 

Sensor

Controllo  / 

Controller

Linea 230Vac / 

230Vac line

fi no a 247 dispositivi/ 
up 

to 247 devices

Supervisore  / 

Supervisor

N

B:

 collegare un   

        solo dispositivo 
        Master alla rete 
        dei sensori  /

NB: connect just one   
         Master device to
         sensor network

Trasformatore 24Vac / 

24Vac transformer

Linea 230Vac / 

230Vac line

Sensore / 

Sensor

Controllo  / 

Controller

Sensore / 

Sensor

Linea 230Vac / 

230Vac line

Trasformatore 12/24 Vac / 

12/24 Vac transformer

Carico massimo

1A/24V / 

Max. 

load 1A/24V

Trasformatore 24Vac / 

24Vac transformer

Linea 230Vac / 

230Vac line

Nota:

 non collegare il 

trasformatore a terra / 
Not connec the tran-
sformer to ground

Trasformatore 24Vac / 

24Vac transformer

Trasformatore 24Vac / 

24Vac transformer

Linea 230Vac / 

230Vac line

Nota:

 non collegare il 

trasformatore a terra / 
Not connec the tran-
sformer to ground

Linea 230Vac / 

230Vac line

Trasformatore 24Vac / 

24Vac transformer

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