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Process & Temperature Controller

Established in 1974, Precision Digital Corporation designs, develops, manufactures, sells and distributes digital panel meter devices driven by embedded systems that transform, display and control critical process information. Our products can be located virtually anywhere in the plant; from the control room to Class I Div 1 areas (both explosion-proof and intrinsically safe). They will accept virtually any analog signal such as 4-20 mA, thermocouple, RTD, DC voltage and pulse as well as digital serial data, such as Modbus.


PD540 Nova Series Digital PID Controller

The Nova PD540 is a digital temperature controller with auto-tuning PID capabilities that is available in 1/16, 3/16, 1/8, and 1/4 DIN sizes. Models include standard one-directional control (i.e. heating or cooling) or bi-directional heating and cooling control. One of four user programmable set points may be selected for PID control in the form of time proportional relay on/off output, time proportional voltage pulse output, or 4-20 mA signal control. Its universal input accepts 23 input varieties, including thermocouple, RTD, and voltage inputs, and it can be easily configured for a 4-20 mA input. It is available with up to three (3) relays, two (2) 4-20 mA analog outputs, two (2) digital inputs, and an RS485 serial communication option which includes protocols for master/slave set point control, Modbus® ASCII and RTU, as well as PC software.

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PD550 Nova Ramp & Soak Controller

The Nova PD550 is a digital temperature controller with two ramp and soak programs capable of storing 15 segments each for precision PID set point control. It is available in 1/16, 3/16, 1/8, and 1/4 DIN sizes. At the completion of a program, the controller can hold the set point, stop the outputs, or loop to one of the 30-segment programs. Its universal input accepts 23 input varieties, including thermocouple, RTD, and voltage inputs, and it can be easily configured for a 4-20 mA input. It is available with up to three (3) relays, two (2) 4-20 mA analog outputs, four (4) digital inputs, and an RS485 serial communication option which includes protocols for master/slave set point control, Modbus® ASCII and RTU, as well as PC software.

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PD570 Nova Limit Controller

The Nova PD570 is a digital limit controller that accepts a wide variety of process and temperature inputs and is available in 1/16 and 1/4 DIN sizes. Its universal input accepts thermocouple, RTD, and voltage inputs, and it can be easily configured for a 4-20 mA input. It features a latching relays, an alarm relay, and an RS485 serial communication option which includes protocols for master/slave set point control, Modbus® ASCII and RTU, as well as PC software.

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