6 - ATR144 - User manual
1 Introduction
PID Controller ATR144 relies on Pixsys flagship programming
mode by NFC/RFID technology with dedicated App MyPixsys
for Android devices (same already used for Pixsys signal
converters and STR indicators) not requiring wirings and
power supply, allowing quick set-up/updates on site.
Availability include a model with dual analogue input and
dual analogue output for maximum flexibility of applications.
It is possible to achieve two separate heating/cooling PID
control loops in one device or to handle mathematical
operations between two process values.
The outputs can be selected as command/multiple alarm
modes/analogue retransmission. Serial communication
standard is RS485 (isolated) with Modbus RTU Master/Slave
protocol. Power supply with extended range 24 to 230V AC/
DC with galvanic insulation from the network.
2 Safety guidelines
Read carefully the safety guidelines and programming
instructions contained in this manual before connecting/
using the device. Disconnect power supply before
proceeding to hardware settings or electrical wirings to avoid
risk of electric shock, fire, malfunction.
Do not install/operate the device in environments with
flammable/explosive gases.
This device has been designed and conceived for industrial
environments and applications that rely on proper safety
conditions in accordance with national and international
regulations on labour and personal safety. Any application
that might lead to serious physical dama ge/ life risk or involve
medical life support devices should be avoided.
Device is not conceived for applications related to nuclear
power plants, weapon systems, flight control, mass transpor-
tation systems.
Only qualified personnel should be allowed to use device
and/or service it and only in accordance to technical data
listed in this manual. Do not dismantle/modify/repair any
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