HIMA BV 7201-X is an intelligent safety relay module manufactured by HIMA (Germany), and it serves as a crucial component of the company’s modular safety system product line. Featuring a compact modular design, this module integrates safety logic control and relay output functions, specifically engineered to implement single safety functions or small-scale safety circuits—such as emergency stop, safety door monitoring, or light curtain control. The core value of HIMA BV 7201-X lies in providing a SIL 3/PL e-certified, plug-and-play, and cost-effective solution for mechanical equipment safety protection. 

Product Parameters

• Product Model: BV 7201-X
• Manufacturer: HIMA
• Product Type: Intelligent Safety Relay Module
• Safety Certifications: SIL 3 (IEC 61508), PL e (ISO 13849-1), Cat. 4
• Input Channels: Typically 2 dual-channel digital inputs (for safety devices)
• Output Type: 2 safety relay contacts (options include semiconductor output or heavy-duty mechanical relay)
• Contact Rating: Dependent on specific version; typically 5A @ 230V AC or 24V DC
• Power Supply Voltage: 24V DC (standard industrial voltage)
• Diagnostic Function: LED status indicators (for power, input, output, and fault)
• Reset Method: Manual reset, automatic reset (configurable)
• Connection Method: Screw terminal block
• Mounting Method: Standard DIN rail mounting (35mm)
• Protection Class: IP20 (for installation inside control cabinets)

Structure and Composition

Key Features and Advantages

1. Certified Safety and High Reliability: The core advantage of HIMA BV 7201-X is its certification to the highest safety levels of SIL 3 and PL e (Cat. 4). It has built-in safety logic certified by institutions such as TÜV, ensuring absolute reliability of protection functions, effective risk control, and compliance with global mechanical safety regulations.
2. Simplified Design and Space Savings: The module integrates complete safety functions into a single compact unit, eliminating the need for users to build complex relay logic circuits independently. This greatly simplifies electrical design, installation, and certification processes while saving space inside control cabinets.
3. Powerful Diagnostics and Visualization: Multiple LED indicators provide comprehensive and intuitive status and fault diagnosis information, helping maintenance personnel quickly locate issues—whether they stem from external sensors, wiring, or the module itself—significantly reducing downtime.
4. Flexible Application: It offers configurable reset modes (manual/automatic) and multiple contact output type options, enabling flexible adaptation to various application scenarios (e.g., monitoring emergency stop circuits, safety doors, two-hand control devices, light curtains). It is a highly cost-effective safety solution.

Application Fields

• In packaging machinery, plastic injection molding machines, and rubber machinery: It is used to monitor emergency stop buttons and safety doors, ensuring equipment stops immediately during maintenance or emergency situations.
• In material handling systems (e.g., conveyors, hoists): It is used to implement safety circuits for pull-cord switches.
• In the metal processing field (e.g., stamping machines, shearing machines, robot workstations): HIMA BV 7201-X is used to control safety contactors, providing the highest level of protection for operators.
• Additionally, in any automated equipment with hazardous movements (e.g., rotation, movement, extrusion), it is the preferred core component for implementing single or a small number of safety functions and meeting CE certification and other safety standards.