0.01°C PID Controller with RS485 Tackles Industrial Compliance

Where This Controller Fits

Process engineers managing small thermal systems—packaging sealers, bench-top ovens, environmental test cabinets—often battle controllers that drift or lack digital oversight. Even a half-degree overshoot can scrap sensitive materials or slow a compliance audit. The move toward tighter process control and data traceability has put affordable precision PID controllers back in the spotlight.

The TC5 from Xiamen Maxwell Automation slides into these scenarios with a 48×48mm DIN cutout, accepting thermocouple or RTD inputs and driving both SSR and electromechanical relay loads. Its RS485 interface lets it drop into existing Modbus networks, pulling temperature logs without expensive retrofits.

• Packaging & sealing machinery requiring repeatable heat profiles
• Laboratory and analytical instruments with narrow tolerance bands
• HVAC and environmental chambers needing remote monitoring
• Food processing equipment exposed to occasional washdowns (IP43 suited)

Inside the TC5

Maxwell’s TC5 packs a lot into a small panel. Key hardware specs are straightforward:

Buyer benefits stack up quickly:

• 0.01°C resolution enables tighter process windows without manual tuning
• Dual SSR + relay output handles both fast-switching heaters and auxiliary loads
• RS485 integrates with PLCs and SCADA for audit-ready data logging
• IP43 rating tolerates dust and water spray in light industrial environments
• Compact 48×48 format fits tight panels and retrofits
• 85–265VAC universal supply reduces stocking variants

About Maxwell Automation

Xiamen Maxwell Automation Limited operates out of Fujian, China, under the PIDMAXWELL brand. Its catalog spans a range of temperature controllers—from basic economical units to the AU-48 and ME65 series, as well as the FSX08 LCD panel. The company supports OEM, ODM, and OBM projects, and lists the TC5 with a standard 12-month warranty and single-unit pricing between US$6.50 and US$8.80.

Compliance and Safety Notes

While the TC5 datasheet available at press time does not list external agency certificates (CE, UL, etc.), several built-in attributes speak directly to compliance-minded applications. The IP43 ingress rating provides a degree of protection against solid objects >1 mm and water spray—a practical asset in food or pharmaceutical settings where equipment may face periodic cleaning. The high-temperature alarm adds a safety layer, alerting operators before thermal runaway can breach process limits.

For applications where formal documentation is required, Maxwell’s OEM and ODM support can often supply additional labeling or test reports upon request. Integrators should verify certification needs with the manufacturer's technical team before specification.

• IP43 enclosure reduces risk of dust ingress and light washdown exposure
• High-temp alarm acts as first-line fault detection
• RS485 enables continuous temperature logging for quality audits
• OEM channel allows custom branding and documentation packages

Frequently Asked Questions

What temperature resolution does the TC5 offer?

0.01°C (0.02°F), suitable for processes requiring fine control.

Can I monitor and adjust the controller remotely?

Yes, via the built-in RS485 interface. It supports standard Modbus protocols for integration with PLCs and HMIs.

Is the unit protected in dusty or wet environments?

The ABS enclosure carries an IP43 rating, meaning it is protected against tools, wires, and water spray. It is not submersible but handles typical panel-mount conditions well.

Next Steps

Engineers and procurement teams evaluating compact temperature controllers can reach Xiamen Maxwell Automation directly through their supplier storefront. Pricing for single units starts at US$6.50; volume and OEM discounts are available on request. Specifications and lead times should be confirmed with the manufacturer before ordering.

All specifications are sourced from manufacturer-provided data and are subject to change without notice. Buyers are advised to confirm critical parameters, certifications, and compatibility directly with Xiamen Maxwell Automation Limited prior to purchase.

View product details: PID Temperature Controller Manufacturer - SSR+Relay Output RS485 IP43