12 ATR 621 - User manual
PRESSURE TRANSMITTER
SENSORE DI PRESSIONE
For linear signals 0/4..20mA with two-wires
sensors
• Comply with polarity
C = Sensor output
A = Sensor supply (12Vdc/25mA)
Digital input (ATR621-12ABC and 14ABC)
Digital input (parameter ).
SSR output (ATR621-12ABC and 14ABC)
Command output SSR: 12V/30mA
Relay outputs Q1, Q2, Q3
Contacts capacity:
• 8A, 250Vac, resistive charge 10
5
operations.
• 30/3A, 250Vac, cosφ=0.3, 10
5
operations.