9
4. ELECTRICAL WIRING
Schema di collegamento
Standard: 100 to 240 Vac - 15% + 10%
250 Vac max.
Power consumption4VA
Single power supply
12
11
Respect polarities
Always use a compensated cable
suitable for the type
of thermocouple used
Earth screen at one end only
A - For thermocouples J-L-K-S-R
Line: max. 150
W
7
9
for 3-wire connection only
Line: 20
W
max. for wire
A
B
B
7
9
10
B - For RTD Pt100
C - Continuous, mA, Volt
Input mA, Volt
Auxiliary
supply for
transmitter
6
7
9
Rj
X
i
4 20 mA
6
7
9
Rj
Transmitter
+24 Vdc
For 2-wire transmitter
For 3 or 4-wire transmitter
X
i
6
7
9
Rj
Transmitter
+24 Vdc
Rj = 30
W
per mA
Rj = 10 K
W
per Volt
+24
Vdc
For 3-wire connection, use cables of same
section (min. 1 sq.mm)
For 2-wire connection, use cables of
adequate section (min. 1.5 sq.mm.)
Note:
with a 15 m. probe-controller distance and
a 1.5 sq.mm. section cable, the error is
about 1°C.
com.
1 Single power supply
2 "X" measuring input