PID Temperature Controllers
The NEX series from Radix sounds quite versatile and feature-rich. Here’s a summary of its key features:
Range : Available in 5 DIN sizes from $48\times48$ to $96\times96$.
Inputs : 1 or 2 universal inputs supporting 8 thermocouple types, RTD Pt100, 4 to 20 mA, 0 to 50 mV, and 0 to 1/5/10 VDC.
Outputs : Up to 7 relay outputs rated at 5A/230 VAC, and 1 or 2 isolated analog outputs (4 to 20 mA, 0 to 10 V, etc.).
Communication : Isolated RS485/MODBUS RTU for communication.
Customization : Offers a large number of programmable parameters for configuration tailored to specific applications.
Options : Available in flameproof versions, indicating suitability for hazardous environments.
NEX201
Single / Dual loop PID with single profile
Compact with low depth : 48Wx48Hx85D mm
2 x universal inputs
3 x digital inputs
6 x relays
2 x isolated analog outputs
RS485/MODBUS RTU
IP66 (IEC) / NEMA 4X front
Single / Dual loop PID with single profile
Compact design with low depth : 96Wx48Hx60D mm
Large, bright display
2 x universal inputs
3 x digital inputs
6 x relays
2 x isolated analog outputs
RS485/MODBUS RTU
IP66 (IEC) / NEMA 4X front
Single / Dual loop PID with single profile
Compact design with low depth : 48Wx96Hx60D mm
2 x universal inputs
3 x digital inputs
6 x relays
2 x isolated analog outputs
RS485/MODBUS RTU
IP66 (IEC) / NEMA 4X front
NEX205
Single / Dual loop PID with single profile
Compact design with low depth : 96Wx96Hx60D mm
2 x universal inputs
6 x digital inputs
7 x relays
2 x isolated analog outputs
RS485/MODBUS RTU
IP66 (IEC) / NEMA 4X front
Single / Dual loop PID with single profile
Compact design with low depth : 177.5Wx164.5Hx125D mm
2 x universal inputs
2 x digital inputs
4 x relays
2 x isolated analog outputs
RS485/MODBUS RTU
IP66
Flameproof, Gr IIA, IIB & IIC
Frequently Asked Questions
What is the Radix NEX series of PID temperature controllers?
The NEX series is a range of PID temperature controllers available in 5 DIN sizes (from 48×48 to 96×96 mm) with universal inputs, multiple relay outputs and isolated analog outputs for industrial process temperature control.
What input types do Radix NEX PID controllers support?
They support 1 or 2 universal inputs covering 8 thermocouple types, RTD Pt100, 4–20 mA, 0–50 mV and 0–1/5/10 VDC signals.
Do Radix NEX controllers support remote communication?
Yes — they include isolated RS485/MODBUS RTU communication, allowing integration with a wider control or SCADA system.
What is the difference between the NEX201, NEX202, NEX203 and NEX205 models?
They differ mainly in panel footprint and I/O count — for example the NEX201 is 48x48x85mm with 6 relays and 2 isolated analog outputs, while the NEX205 is a larger 96x96x60mm unit with 7 relays and 6 digital inputs; all share single/dual-loop PID control with a single profile.
Are Radix NEX controllers available in flameproof or hazardous-area versions?
Yes — flameproof versions are available for use in hazardous environments, in addition to the standard IP66 (IEC) / NEMA 4X front-rated enclosures.
