Main Brands:
Bently, Triconex, Woodward, Foxboro,Reliance, ABB, Allen-Bradley, Motorola, GE, Yaskawa, Bosch Rexroth, ACSO, YOKOGAWA, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R, SST, ALSTOM, EPRO, HIMA, HONEYWELL prosoft, AMAT.
Wei Xiu zhu
WhatsApp:+852 5796 0986
Wechat:13395077993
Zhejiang Yiwu Beixun Automation Technology Co., Ltd
China (Zhejiang) Pilot Free Trade Zone, No. 2 Chunpai Road, Beiyuan Street, Yiwu City, Jinhua City, 7F 7059
website:www.bxplc2.com
Email: 3076784238@qq.com
Product Overview
The HIMA H41Q-HRS B4237-2 is a compact Programmable Electronic Safety (PES) system designed for high and highest availability applications in the process industry. It is TÜV-tested and meets the requirements of Safety Integrity Level (SIL) 3 according to IEC 61508, making it suitable for safety-critical applications that demand reliable and precise control signals.
As part of HIMA’s HiQuad family of systems, this product utilizes a QMR-quadruple modular redundant design, featuring four microprocessors integrated on the same Control Unit (CU) module, with two identical CU modules forming the central control unit. This physically separated redundant structure eliminates the risk of common-cause failures.
Related Series:
HIMA H41Q-HRS B4237-2
HIMA F7130A
HIMA K9202

High Availability
- Hot-standby capability for uninterrupted operation
- No single point of failure
- Automatic switchover in case of component failure
Technical Specifications
| Power Supply | 24 VDC or 48 VDC |
| I/O Capacity | Up to 13 I/O modules |
| Dimensions | 19 inches (483 mm) x 5U (224 mm) x 236 mm |
| Weight | Approx. 20 kg |
| Communication | PROFIBUS DP, PROFINET, Modbus TCP/IP |
| Safety Rating | SIL 3 according to IEC 61508 |
| Certifications | TÜV, CE, UL, ATEX |
| Environmental Rating | IP20 |

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