Electrex ATTO D4 DC Instrucciones de instalación - Página 4

Navegue en línea o descargue pdf Instrucciones de instalación para Instrumentos de medida Electrex ATTO D4 DC. Electrex ATTO D4 DC 4 páginas.

Imprimir página
Voltage connection - Use cables with max cross-section of 2,5 mm
applicable diagrams that follow.
Connessioni amperometriche
Use SHUNT with a suitable primary range and a 60 o 100 mV secondary. Connect the SHUNT to terminals signed with I1 (S1 e S2) (current input) as in the diagram.
SHUNT CONNECTED BEFORE
+
-
SHUNT
POWER SUPPLY AND SERIAL LINE CONNECTION
The instrument is equipped with a separate power supply. The power supply terminals
are number as 17 e 18. The max cross-section of the wires is of 2,5 mm
mm
2
if rigid.
U1 U2 U3
VOLTAGE INPUT POWER
I1
S1 S2 S1 S2 S1 S2 A B
Serial RS485 port
INPUT OUTPUT CONNECTIONS
(ONLY FOR VERSION PFA7471-12)
+
20
DI (-)
19
DI (+)
19
AUX
!
IN/OUT
DIGITAL INPUTS
Power supply voltage
from 10 to 30
(external)
Vdc
Current absorbed :
from 2 to 10mA
Max. counting frequency:
10 or 100Hz
Note: for the gas counter, a galvanic insulated
divider following ATEX normative, is needed.
akse srl Via Aldo Moro, 39 42124 Reggio Emilia Italy
Tel. +39 0522 924 244 Fax +39 0522 924 245 [email protected] www.akse.it
P.I. 01544980350 R.E.A. 194296
VOLTAGE AND CURRENT CONNECTION
2
if fl exible 4 mm
+
14 15
-
17
18 19
20
VOLTAGE INPUT POWER
AUX
CURRENT INPUT
RS-485
AUX
+
- 3 4 5 6 A B
10 11 12
2
230 ÷ 240 V ±10%
N
L
FUSE
(50mA T)
N
17
18 19
20
AUX
I2
I3
RS-485
AUX
10 11 12
A B
12
-
DO2
11
20
DO1
10
Common
Digital optically insulated outputs,
transistor based, (NPN) following standard
DIN 43864.
Max voltage applicable
Max commutable current:
Cap. Soc. Euro 85.800,00 i.v.
2
if rigid and connect them to the terminals marked voltage input on the instrument according to the
INPUT AND OUTPUT CONNECTION EXAMPLES
if fl exible and 4
AUX
!
IN/OUT
10
11
12
C
1
2
27 Vdc
27mA
SHUNT CONNECTED AFTER
+
-
+
14 15
-
17
18 19
20
VOLTAGE INPUT POWER
AUX
RS-485
AUX
CURRENT INPUT
+
- 3 4 5 6 A B
10 11 12
Out PLC
Comune
(+)
(-)
Es. PLC
U1 U2 U3
N
17
18 19
20
VOLTAGE INPUT POWER
AUX
Es.
Input M8 Supervisor
I1
I2
I3
RS-485
AUX
1 2 C
S1 S2 S1 S2 S1 S2 A B
10 11 12
(-) (+) (+)
FROM:
- TRANSDUCER WITH CONTACT CLEAN
- GME
- STATE ON-OFF
- STATE ALARMS
NC
NC
C
C
U1 U2 U3
N
17
18 19
20
VOLTAGE INPUT POWER
AUX
NO
NO
R
R
e
e
l
a
a
y
y
I1
I2
I3
RS-485
AUX
S1 S2 S1 S2 S1 S2 A B
10 11 12
SHUNT
3 4
C
230 Vac
Power
Supply
l
Max
27 Vdc
27 mA
(-)
(+)
Engineered and manufactured in Italy
Made
in
Italy
Pensato, progettato e prodotto in Italia
Subject to modifi cation without notice.
Edition 06-10-2010