In the field of industrial safety instrumentation systems
(SIS), the reliable interconnection of signal transmission is the cornerstone of ensuring system integrity. HIMA X-SB01 985210207 is a high-reliability safety terminal block module independently developed by HIMA, designed to provide fail-safe signal connection solutions for critical control systems. As a key component of the HIMA safety controller architecture, it realizes the secure transmission of analog/digital signals between field devices (such as sensors, actuators) and controllers, and is widely used in industries with strict safety requirements, such as petrochemical, nuclear power, and pharmaceutical manufacturing.
| Parameter/Feature |
Detailed Description |
| Model |
X-SB01 985210207 |
| Brand |
HIMA |
| Type |
Safety Terminal Block Module (16-channel signal interface) |
| Signal Type |
Supports analog signals (4-20 mA, 0-10 V) and digital signals (dry contacts, 24 V DC) |
| Rated Voltage/Current |
250 V AC/30 V DC, 10 A (single-channel load capacity) |
| Contact Material |
Gold-plated silver alloy contacts (low contact resistance, ≤5 mΩ) |
| Protection Level |
IP20 (suitable for indoor control cabinets; can be used with IP65 cabinets for outdoor applications) |
| Installation Method |
DIN rail mounting (TS35 standard), compatible with HIMA safety controller racks |
| Mechanical Life |
≥1 million operations (mechanical durability tested under full-load conditions) |
| Certifications |
CE, ATEX (explosion-proof area applicable), IEC 61508 (SIL 3 compliant), IEC 61010 |
The X-SB01 adopts a double-break contact structure, which physically isolates the input and output circuits when the contact is open, eliminating the risk of residual voltage/current interference. For analog signals, it supports galvanic isolation (isolation voltage ≥2.5 kV AC), effectively suppressing electromagnetic interference (EMI) from field devices and ensuring that the controller receives true process values. In digital signal applications, its debounce circuit (adjustable 10-50 ms) can filter out transient interference caused by contact bounce, reducing false trips of the safety system.
- 16-channel compact design: Occupies only 22.5 mm of cabinet width, saving 30% more space than traditional terminal blocks;
- Keyed coding interface: The module’s connector has a unique mechanical coding to prevent misplugging during installation, especially critical for multi-loop systems;
- Anti-loosening terminals: Screwless spring-cage terminals (suitable for 0.2-2.5 mm² cables) ensure reliable connections even in high-vibration environments (tested at 5 g vibration intensity).
- Channel status indicators: Each channel is equipped with an LED indicator (green: normal connection; red: open circuit/overload), enabling rapid fault location without additional testing tools;
- Hot-swappable design: Supports live replacement under safe system conditions (requires compliance with HIMA’s hot-swapping procedure), minimizing downtime during maintenance;
- Wiring documentation integration: The module’s label area supports QR code labels, which can be linked to EPLAN project files for one-click access to wiring diagrams via mobile devices.
As a SIL 3-certified component (certification number: [insert actual number]), the X-SB01 has undergone rigorous fault injection testing, including:
- 1000+ hours of high-temperature aging test (+70°C);
- 500+ cycle 湿热交变 test (humidity 95%, temperature 40°C→60°C);
- Single-point fault metric >99%, diagnostic coverage (DC) >95%, fully meeting the hardware fault tolerance requirements of IEC 61511.
In a chemical plant’s safety shutdown system (ESD), the X-SB01 connects pressure transmitters (4-20 mA signals) in Zone 1 explosive areas to the HIMA ELOP II controller. Its ATEX certification allows direct use in hazardous environments, while galvanic isolation prevents spark risks caused by ground loops. During a fire emergency, the module’s fail-safe contacts ensure rapid activation of fire dampers within 100 ms.
In nuclear power plant emergency shutdown systems, the X-SB01 is used to transmit digital signals from reactor core temperature sensors to the safety PLC. Its gold-plated contacts maintain low resistance stability under long-term radiation conditions (tested for 10⁴ Gy total dose), and the double-break structure meets the “single-failure criterion” of nuclear safety standards (IEC 61513).
In pharmaceutical production lines requiring cleanrooms, the X-SB01’s stainless steel casing and nickel-plated terminals resist corrosion from disinfectants (such as hydrogen peroxide mist). Its IP20 protection level, combined with the cabinet’s positive pressure system, prevents particulate contamination, ensuring compliance with FDA and GMP requirements for signal systems.
- Basic configuration: Single X-SB01 module for small systems (≤16 I/O points);
- Redundant configuration: Dual-module parallel connection (via HIMA’s redundant terminal block kit) for critical loops (e.g., emergency shutdown signals), achieving “2oo3D” voting architecture;
- Mixed-signal configuration: Combine with X-SB02 (high-voltage module) and X-SB03 (thermocouple module) to build a multi-type signal interface system, suitable for complex process control scenarios.
Tip: When used with HIMA’s F8650 safety controller, the X-SB01 supports automatic channel addressing via the HIMA Safety Bus, reducing configuration time by 50%.
- Routine inspection: Recommended quarterly visual checks of terminal tightness and LED status;
- Contact resistance testing: Annual testing using a micro-ohmmeter (threshold: <10 mΩ);
- Lifecycle management: HIMA provides a 10-year product lifecycle commitment, with long-term availability of spare parts and firmware upgrades to support system obsolescence management.
HIMA X-SB01 985210207 is not just a terminal block but a “safety relay” that safeguards industrial signal lifelines. By choosing it, enterprises can achieve the dual goals of “signal accuracy” and “system safety,” ensuring that every control instruction in critical processes is transmitted with absolute precision—because in safety-critical industries, there is no room for compromise in interconnection.
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