Product Short Description
Product Brief Introduction
SAACKE HMI 05E is a dedicated human-machine interface exclusively optimized for industrial burner, boiler and thermal combustion control systems, developed by Germany SAACKE combustion technology brand. It integrates process monitoring, PID parameter tuning, flame safety interlock alarm and multi-protocol communication, with IP65 front panel protection for harsh boiler room environment, natively compatible with SAACKE FSC series combustion controllers.
Description
Core Technical Specifications
- Display Hardware: 5.7” TFT color LCD, resolution 640 × 480 pixels, LED backlight 50,000-hour MTBF lifespan
- Touch Screen: 5-wire resistive touch panel, dust/oil resistant, support glove operation
- Processing Unit: 1GHz industrial CPU, 256MB DDR RAM, 2GB built-in flash storage, external SD card data logging expansion
- Power Supply: 24VDC nominal input, allowable range 20.4–28.8VDC, max power consumption ≤15W
- Communication Interfaces: Dual RS485, Ethernet TCP/IP, support Modbus RTU/TCP, SAACKE proprietary combustion protocol, Profibus DP optional expansion
- Digital I/O: 4-channel built-in digital input/output for local alarm & interlock signal
- Environmental Rating: Front panel IP65 dust/water splash protection; rear housing IP20 cabinet installation
- Operating Temperature: -10°C ~ +50°C, storage -20°C ~ +70°C, humidity 10–90% non-condensing
- Physical Dimension: 150(W) × 100(H) × 40(D) mm, flush panel mounting cutout size 136 × 86 mm
- Weight: Approx. 1kg
- Certification: CE, UL, RoHS, ATEX compliant for thermal plant non-hazardous combustion control rooms
Function & Performance Features
- Combustion dedicated pre-built function libraries: Real-time flame signal display, air-fuel ratio PID adjustment, burner start-stop sequence monitoring
- Multi-level user access password management: Operator, maintenance, engineer authority tiered parameter modification permission
- Comprehensive fault diagnosis: Flame loss, over-temperature, low fuel pressure, fan failure real-time alarm with text fault code & historical event log storage
- Data logging function: Record combustion temperature, pressure, running hour data, export via SD card for energy consumption analysis
- Multi-language interface support: English, German, Chinese, Spanish switchable for global factory deployment
- Real-time curve trend chart: Display temperature/pressure fluctuation within configurable time windows
- Remote monitoring support via Ethernet, compatible with central thermal plant SCADA system
- Built-in overvoltage, overcurrent and short-circuit power input protection circuit
- Wide voltage input tolerance adapts unstable boiler room industrial power grid fluctuation
Working Principle
The HMI main CPU continuously exchanges real-time combustion process data with SAACKE combustion controller via RS485/Ethernet bus. Process values (flame signal, furnace temperature, fuel gas pressure, fan speed) are buffered in internal RAM and rendered on TFT touch display in graphical/ digital format. Touch input signals trigger parameter modification commands sent back to the burner controller to adjust PID setpoints, air-fuel ratio and operation sequence. Onboard digital I/O detects local limit switch interlock signals and generates visual alarm prompts on screen when abnormal state occurs. Historical operating data is stored in flash memory or external SD card for post-failure analysis.
Material & Structural Characteristics
- Front Bezel: Die-cast aluminum alloy frame, matte anti-scratch coating, fully sealed silicone rubber gasket for IP65 water/dust resistance
- Touch Panel Surface: Hardened anti-reflection glass, oil repellent coating for boiler room oil mist environment
- Rear Enclosure: Flame-retardant ABS plastic housing, internal PCB conformal coating anti-moisture & chemical vapor corrosion
- Connection Ports: Screw terminal blocks for power & digital I/O, industrial RJ45 Ethernet connector, DB9 RS485 serial port
- Cooling Structure: Passive natural convection heat dissipation, no built-in fan to avoid dust accumulation failure
Installation Requirements
- Flush embedded panel mounting on boiler control cabinet door, install matching sealing rubber gasket to maintain IP65 front protection
- Cabinet cutout dimension strictly follow 136mm width × 86mm height tolerance ±0.5mm
- Cable wiring separation: Separate power cable and communication signal cable with ≥3cm clearance to reduce EMI interference from burner fan frequency converter
- Power input wiring must add external 24VDC fuse rated 2A for overcurrent protection
- Avoid direct installation above boiler heat exhaust vents; maintain ≥30cm vertical distance from high-temperature surfaces
- SD card slot reserved on rear housing for data export, reserve maintenance space behind cabinet door
Typical Application Scenarios
- Industrial gas/oil-fired boiler combustion parameter monitoring & operation control
- Thermal power plant auxiliary heating furnace burner control interface
- Food factory thermal processing oven burner air-fuel ratio adjustment terminal
- Textile printing & dyeing factory steam boiler central monitoring
- Waste heat recovery equipment, biomass burner local operation panel
- District heating station multi-boiler centralized monitoring system
Operation & Maintenance Precautions
- Clean front touch glass only with neutral alcohol wipe; avoid corrosive chemical cleaning agents damaging anti-oil coating
- Do not operate touch screen with sharp metal tools to prevent glass surface scratch
- Regular monthly inspection of front bezel silicone gasket aging; replace gasket if water ingress signs appear
- SD card data log backup every 30 days for energy audit and fault traceability
- Disconnect 24VDC power supply before firmware upgrade or parameter factory reset
- Avoid mounting HMI near high-frequency ignition transformers to reduce signal communication interference
- If backlight dims significantly after long-term operation, replace LED backlight module by certified maintenance personnel
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