LC-608 Single-Loop Temperature/Process Controller for Panel-Mounted Industrial Automation

The LC-608 is designed for precise, single-loop temperature and process control in compact panels. In many cases it’s selected as a reliable drop-in for legacy PID controllers on production lines, ovens, environmental chambers, or small OEM machines. One thing I appreciate is how it typically supports universal inputs and multiple control output options, so you can match it to existing sensors and actuators without reworking the panel wiring.

Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery: 1 week if in stock; no more than 1 month at the latest
• Payment: 50% advance payment; full payment prior to delivery
• Express options: FedEx, UPS, DHL

Key Features

• Single-loop PID control – Stable temperature/process regulation with adjustable PID parameters and auto-tune in most variants.
• Universal sensor input – Typically accepts thermocouples (K/J/T/E/N), RTD (Pt100), and common analog inputs, so retrofit work stays simple.
• Flexible control outputs – Relay contact, SSR drive (12 VDC pulse), or 4–20 mA control outputs are commonly available for heater or valve actuation.
• Alarm relays – High/low process alarms help protect heaters and product; many users wire one alarm to interlock fans or cut power.
• Compact panel mount – The footprint is typically 1/16-DIN (48×48 mm), saving panel space while remaining easy to read.
• Modbus connectivity (optional) – RS‑485 Modbus RTU is often offered for remote setpoint, PV monitoring, and recipe management.
• Clear operator interface – Multi-digit display with status indicators; operators can tweak setpoints quickly without diving into deep menus.

Technical Specifications

The values below reflect what you typically see on LC-608 units used in industrial panels. If you’re matching a specific revision, I can cross-check your nameplate or datasheet to confirm exact variants.

Brand / Model	LC-608 (single-loop temperature/process controller)
HS Code	9032.89 (Automatic regulating or controlling instruments)
Power Requirements	100–240 VAC, 50/60 Hz (typical); some variants support 24 VDC
Dimensions & Weight	Approx. 48 × 48 × 100 mm; panel cutout ~45 × 45 mm; ~200–300 g
Operating Temperature	0 to +50 °C (non‑condensing; typical for panel instruments)
Signal Input Types	Thermocouple (K/J/T/E/N), RTD (Pt100), DC voltage/current (0–10 V / 4–20 mA) depending on variant
Control/Alarm Outputs	Relay contact, SSR drive (12 VDC pulse), or analog 4–20 mA control; 1–2 alarm relays typical
Communication	RS‑485 Modbus RTU (optional on many builds)
Installation Method	Panel mount with rear fixing brackets; screw-terminal wiring

Application Fields

From my experience, LC-608 units are used across light-to-medium industrial environments where a single loop needs tight control. A few common scenarios:

• Heat treatment and ovens — controlling heaters with SSR or relay outputs, with high/low temperature alarms.
• Extrusion and plastics — barrel zone temperature control, often paired with K-type thermocouples and SSRs.
• Food and beverage — proofers, fryers, and jacketed kettles where a stable temperature profile matters.
• Environmental test chambers — steady ramp/soak style control (when model supports it) and remote monitoring via RS‑485.
• Packaging machinery — sealing jaw temperature control, reducing scrap from inconsistent seals.
• Laboratory equipment — hot plates, baths, or incubators that need dependable single-loop control.

One packaging OEM told us they swapped an older controller for an LC-608 to get Modbus visibility, and the maintenance team loved being able to log setpoint and PV trends without adding a full PLC card.

Advantages & Value

• Compatibility – Universal input and flexible outputs mean less rework; typically no sensor change required.
• Lifecycle coverage – As a common panel form factor, it’s easier to stock and swap, keeping downtime low.
• Cost-effective control – For a single loop, you avoid the overhead of a larger PLC/SCADA footprint.
• Documentation & support – We can provide parameter maps, wiring diagrams, and quick-start guides to speed commissioning.
• Scalable integration – With RS‑485, you can pull PV/SP into an existing HMI or data logger without a hardware redesign.

Installation & Maintenance

• Panel & environment – Install in a clean, ventilated enclosure (IP54 or better is typical). Avoid direct heat sources and vibration.
• Wiring – Use shielded, twisted pairs for thermocouples/RTDs; keep sensor wiring away from high-voltage lines. Ground shields at one point only.
• Power & protection – Provide a dedicated circuit with an appropriately rated fuse or MCB. Confirm mains vs. 24 VDC variants before energizing.
• Safety – Isolate power and follow lockout/tagout. Verify output type (relay vs. SSR drive) before connecting to heaters or contactors.
• Commissioning – Run auto-tune (if available) after installation; then fine-trim PID. Save/record key parameters for maintenance reference.
• Routine checks – Inspect terminals quarterly, clean dust from the front panel, and verify sensor calibration annually (or per process needs).
• Firmware/parameters – If the unit supports firmware updates or parameter backup via RS‑485, schedule periodic backups to minimize recovery time.

Quality & Certifications

LC-608 controllers typically comply with CE and RoHS requirements for industrial control equipment. Many variants are UL recognized or cURus listed when installed in an appropriate enclosure. Manufacturing is commonly aligned with ISO 9001 quality systems. Certification scope can vary by exact model option, so we’ll verify the markings on your requested part before shipment.

Warranty: 12 months from delivery against manufacturing defects.

Suggested Supporting Components

• Solid State Relays (SSR), 24–480 VAC output with 3–32 VDC input, plus heatsinks for higher loads.
• Thermocouples (K/J) and Pt100 RTD sensors with suitable probe lengths and sheath materials for your process.
• DIN-rail power supplies (if using a 24 VDC variant) and panel fuses/MCBs.
• USB‑to‑RS485 converters and shielded twisted-pair cable for Modbus integration.
• Panel bezels and gasket kits to maintain enclosure sealing after retrofits.

If you can share a photo of the LC-608 nameplate or your required input/output configuration, I’ll confirm the exact variant and lock in lead time and pricing the same day.