User manual - ATR121/141 -
11
Shield/Schermo
+VDC
9
10
11
12
V/I
+
-
For linear signals V/mA
• Comply with polarity
• When shielded cable is used, it should
be grounded at one side only
Examples of connection for linear input
0...10V
11
12
For signals 0….10V
• Comply with polarity
PRESSURE TRANSMITTER
SENSORE DI PRESSIONE
0/4...20mA
A
B
C
11
12
9
For signals 0/4….20mA with
three-wire
sensor
• Comply with polarity
C = Sensor output
B = Sensor ground
A = Sensor power supply (12V/30mA)
Versions AD / ADT: 12..24Vdc / 30mA
Versions A-B-C: 8Vdc / 20 mA
EXTERNAL SUPPLY
ALIMENTAZIONE ESTERNA
PRESSURE TRANSMITTER
SENSORE DI PRESSIONE
0/4...20mA
B
C
11
12
For signals 0/4..20mA with
external power
of sensor
• Comply with polarity
C = Sensor output
B = Sensor ground
PRESSURE TRANSMITTER
SENSORE DI PRESSIONE
C
4...20mA
A
12
9
For signals 0/4...20mA with
two-wire sensor
• Comply with polarity
C = Sensor output
A = Sensor power supply
Versions AD / ADT: 12..24Vdc / 30mA
Versions A-B-C: 8Vdc / 20 mA
Summary of Contents for ATR 121
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