User manual -
9
5.1.c
Examples of connection for Volt and mA inputs
PRESSURE TRANSMITTER /
SENSORE DI PRESSIONE
B
C
A
4...20mA
2
14
13
1
P :0...100mbar Pmax :3bar T
:0..70
°C
OUT
: 4...20mA
IN :9...33
V DC
For linear signals 0/4..20 mA with three-wires
sensors.
Comply with polarity:
A= Sensor output
B= Sensor ground
C= Sensor supply (24VDC)
Short circuit pins 2 and 14.
External supply /
Alimentazione esterna
P :
0.
..100
mbar
Pmax :3bar T :0..70°C
OUT
: 4..
.20mA
IN
:
9.
..33V DC
PRESSURE TRANSMITTER /
SENSORE DI PRESSIONE
C
B
4...20mA
13
14
For linear signals 0/4..20 mA with external power
supply for sensor.
Comply with polarity:
A= Sensor output
B= Sensor ground
P :
0.
..100
mbar
Pmax :3bar T :0..70°C
OUT
: 4..
.20mA
IN
:
9.
..33V DC
C
A
PRESSURE TRANSMITTER /
SENSORE DI PRESSIONE
4...20mA
2
14
13
1
For linear signals 0/4..20 mA with two-wires sensors.
Comply with polarity:
A= Sensor output
C= Sensor supply (24VDC)
Short circuit pins 2 and 14.
5.1.d
Serial input
(A) –
TERM
120Ω
(B) +
RS485
Shield / Schermo
10
9
11
Communication RS485 Modbus RTU Slave galvanically
insulated from the sensor.
Short circuit pins 9 and 10 to enter on the bus a 120Ω
termination resistance.
5.1.e
CT input
12
CT
16
Input for CT 50mA.
Sampling time 100 µs.
Current measure true RMS for Heater Break Alarm and
overcurrent alarm functions.
