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

ATR 444


PID Controller ATR444 integrates all the features of the Pixsys Blue Line range of controllers. The wide alphanumeric display allows optimal visibility and clarity in all industrial environments, not only for process and alarm variables but also for scrolling textual status or event messages, as well as online help messages. The availability of an extended 8-key keypad allows dedicated function keys to be set up, making repetitive operations or functions that would be more time-consuming and complex for the operator directly accessible from the front. Smartphone programming mode with MyPixsys App uses NFC technology, with no need for wiring or dedicated hardware. Two universal analog inputs with the ability to set mathematical operations, a wide combination of digital and analog outputs, open-close functionality for motorized valves, multiple alarm and diagnostic modes, and Timer functions-the most comprehensive models in the ATR444 series support advanced applications that traditionally might require programmable logic. All versions also integrate programming mode for managing a cycle/profile with 12 segments. Connectivity includes RS485 serial and ModbusRTU protocol, with the possibility of also using the controller with the Pixsys CNV580 IIoT modem for remote monitoring of selected variables getting notifications via PixsysGuard App.

Manual instructions
 




 
 
 

MAIN AND SOFTWARE FEATURES


 
   
 
Dimensions:
 
48 x 96 x 69 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. 245 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:
 
Open / Close logics for motorized valves
 
Certifications:
 
CE
 
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
Programmer function 

 
Cycle with up to 12 steps and end-of-step recovery/waiting functions
 
Communication protocols   
 
Modbus RTU
 

 
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