• Model: S-D4012 | Brand: Reliance Electric (ABB Baldor-Reliance) | Series: AutoMax DCS Control Rack
• Slot Quantity: 5 standard plug-in card slots for AutoMax series functional modules
• Backplane Bus: High-speed parallel control bus for real-time data exchange between internal modules
• System Power Input: 24 VDC wide-range industrial auxiliary power (9–30 VDC compatible)
• Onboard Terminals: Rear screw terminal blocks for power wiring and external signal expansion
• Communication Expansion: Supports Modbus RTU, AutoMax proprietary bus via matched communication cards
• Operating Temperature: -20°C ~ +60°C | Storage Temperature: -40°C ~ +85°C
• Ambient Humidity: 0% ~ 90% non-condensing, anti-vibration industrial grade design
• Mounting Mode: Standard cabinet wall mounting, metal integrated housing with dustproof cover
• Certifications: CE, UL industrial safety & EMC anti-interference compliance
• Net Weight: Approx. 1.0kg, full conformal coating for circuit anti-corrosion protection

• 5-slot expandable backplane design, freely collocate CPU, drive control, analog/digital I/O and communication modules according to on-site control demands
• Integrated backplane power distribution circuit, stable power supply for all inserted modules to avoid voltage fluctuation interference
• High-speed parallel bus architecture, microsecond-level data transmission between drive control unit and main processor for precise DC motor speed regulation
• Compatible with full series AutoMax UDC drive control boards, seamlessly matched with Reliance S-D series DC motor drives
• Built-in hardware interlock signal routing, supports multi-motor synchronous tension control and production line logic interlock protection
• Metal thickened housing and full conformal coating circuit board, resistant to dust, moisture and vibration in harsh factory environments
• Modular plug-and-play structure, each functional card can be individually disassembled and replaced without shutting down the whole rack system
• Fully compatible with AutoMax Programming Executive software, convenient online configuration, parameter modification and fault diagnosis of the whole rack system

• Metallurgy Industry: Steel strip tension leveling machine, rolling mill DC drive centralized control cabinet
• Paper & Printing: Paper machine winding/unwinding multi-motor synchronous speed regulation control system
• Textile Industry: Large loom, coating machine DC motor constant tension drive control equipment
• Packaging Machinery: High-speed printing and slitting line multi-axis synchronous control racks
• Industrial Equipment Retrofit: Maintenance and replacement of legacy Reliance AutoMax old control systems

Product Picture