Product Introduction
When reliability in safety-critical applications is paramount, the HIMA F8621A Coprocessor Module delivers exceptional performance. Designed for use in PES H51q systems, this module integrates a dedicated HD 64180 microprocessor operating at 10 MHz.
Technical Specifications
Key specifications of the HIMA F8621A include:
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Microprocessor: HD 64180 with 10 MHz clock frequency
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Memory: 384 kbyte static memory (CMOS-RAM and EPROM on 2 ICs)
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Interfaces: 2 RS 485 (half-duplex) with galvanic isolation
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Transmission rates: Software-selectable from 300 to 57600 bps
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Dual Port RAM: For fast memory access to the second central module
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Space requirement: 4 TE
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Operating data: 5 V DC, 360 mA
Note: The RAM is battery-buffered via the monitoring module F 7131.
Industry Applications
The HIMA F8621A excels in safety-related automation, such as emergency shutdown systems and fire & gas detection. With its robust RS 485 communication, it integrates seamlessly into distributed control architectures, ensuring high reliability and reduced downtime.
Installation & Setup Guidance
When installing the HIMA F8621A, ensure proper mounting in a 4 TE slot within the PES H51q rack. Follow the pin allocation for RS 485 channels: pin 3 (RxD/TxD-A), pin 5 (DGND), pin 8 (RxD/TxD-B), and others as specified. Use shielded twisted-pair cables to minimize noise.
Compatibility & Integration
The F8621A is specifically designed for HIMA PES H51q systems. It communicates via the Dual Port RAM with the central module over Bus 1. The two RS 485 interfaces allow connection to remote I/O or other controllers, supporting baud rates up to 57600 bps.
Selection Guide & Purchasing Advice
Before purchasing the HIMA F8621A, verify that your system is a PES H51q and that you have the required power supply module F 7131 for battery buffering. For genuine HIMA parts, trust PLC Source PRO (available at ubest101.myshopify.com) to provide authentic, tested modules.