Grelci Maras d.o.o.
Jevčeva pot 2,
1351 Brezovica pri Ljubljani,
Slovenia
+386 (01) 365 3 518 | info@grelci-maras.si
 

ATR 244


PID Controller ATR244 controller integrates all the features of the Blue Line range: high-performance display that ensures excellent readability and programming mode with NFC/RFID technology via App without the need for wiring and device power supply. Single and dual analog input versions are available with the possibility of managing two processes and two separate control loops or performing mathematical operations between the two processes (sum, difference, average). Outputs are selectable as command or multiple alarm modes as well as analog retransmission of process or setpoint. The network communication option is over RS485 serial with Modbus-RTU protocol. The extended range power supply from 24 to 230V AC/DC with galvanic isolation contributes to the flexibility of this series, also ensuring optimal operation in case of fluctuations on the power grid.

Manual instructions
 




 
 
 

MAIN AND SOFTWARE FEATURES


 
   
 
Dimensions:
 
48 x 48 (front) x 105 mm
 
Tuning:
 
Manual or automatic
 
Material:
 
Box: PC UL94V2 self-extinguishing, front panel: PC UL94V2
 
Alarm mode:
 
Absolute / Threshold, Band, High / Low deviation. Alarm with optional Manual reset. Loop Break Alarm
 
Weight:
 
Approx. 185 g
 
Double P.I.D:
 
Heating / Cooling with dual P.I.D.
 
Sealing:
 
Front panel: IP65, Enclosure+ terminal blocks: IP20
 
Data protection:
 
Lock of Command/Alarm Setpoints - Access to parameters by Password
 
Operating conditions:
 
Temperature 0-45 °C, humidity 35..95 uR%
 
Open / Close logics:
 
Motorized valves control
 
Certifications:
 
CE, UL
 
Software parameter configuration:
 
Memory Card, software MyPixsysLab, codes EASY-UP - Programming via APP (NFC) "MyPixsys" for Android and iOS devices
Control algorithms:
 
ON - OFF with hysteresis, P., P.I., P.I.D., P.D. time proportional
 
Soft-Start
 
Rising gradient expressed as Degrees / Hour or fixed output percentage
 
Communication protocols    Modbus RTU Programmer function Short cycle with max 3 steps

 
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