HIMA H41Q-B-4237-2 | Redundant Modular Controller for SIS
Manufacturer: HIMA
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Part Number: B4237-2
Condition：New with Original Package
Product Type: Redundant Modular Controller for SIS
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Country of Origin: Germany
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Description / Overview
The HIMA H41Q-B4237-2 is a high-performance redundant safety controller module designed for H41q/H51q safety systems. It provides reliable control for emergency shutdown (ESD), fire and gas protection, and other safety instrumented systems in industries such as oil & gas, chemical processing, and power generation.
Equipped with a 32-bit CPU and 16 MB RAM, the module executes safety logic rapidly while supporting fault-tolerant operation. Its modular design allows integration with up to 13 I/O modules, 2 communication modules, and 4 fan modules, ensuring scalability for complex control architectures. Moreover, Ethernet and PROFIBUS interfaces allow seamless communication with other devices, while SIL 3 certification guarantees compliance with international safety standards.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | B4237-2 |
| Manufacturer | HIMA Paul Hildebrandt GmbH |
| Product Type | Redundant Safety Controller Module |
| Processor | 32-bit CPU |
| RAM | 16 MB |
| Clock Speed | Up to 200 MHz |
| Digital Inputs | 32 channels (24 VDC, 5 mA per channel) |
| Analog Inputs | 8 channels (4–20 mA, 12-bit resolution) |
| Communication Interfaces | Ethernet, PROFIBUS |
| Modular Expansion | Up to 13 I/O modules, 2 communication modules, 4 fan modules |
| Safety Certification | SIL 3 (IEC 61508) |
| Dimensions | 250 mm × 120 mm × 80 mm |
| Weight |
1.2 kg |
| Certifications | CE, FCC |
| Country of Origin | Germany |
FAQ
Q1: What is the main function of the H41Q-B4237-2 module?
A1: It serves as a redundant safety controller for executing critical logic in industrial SIS.
Q2: Which systems is this module compatible with?
A2: It is designed for H41q and H51q safety controllers.
Q3: Is this module certified for industrial safety standards?
A3: Yes, it is SIL 3 certified according to IEC 61508, ensuring high reliability.
Q4: How many I/O modules can be integrated?
A4: Up to 13 I/O modules, 2 communication modules, and 4 fan modules.
Q5: Which communication protocols are supported?
A5: The module supports Ethernet and PROFIBUS interfaces for device integration.