HIMA F8621A Coprocessor Module

Technical Specifications

• Brand: HIMA
• Model: F8621A
• Category: Coprocessor Module
• Compatible System: PES H51q Series
• Processor: HD 64180, 10 MHz Clock Frequency
• Memory Capacity: 384 KB Static Memory (CMOS-RAM & EPROM)
• Communication Ports: 2 x RS-485, Galvanically Isolated
• Baud Rate Range: Software Configurable, 300 to 57,600 bps
• Power Requirements: 5V DC, 360 mA
• Physical Size: 4 TE (Width Units) in a standard rack

Installation & Integration Guide

• The module fits into a PES H51q system rack and occupies 4 width units.
• For memory backup during power loss, connect it to a HIMA F 7131 power monitoring module.
• Configure the RS-485 baud rate and parameters through the system’s dedicated software blocks.
• Use the Dual Port RAM for fast, efficient data exchange with the main central module.
• For detailed wiring and setup, please download the full technical manual using the link below.

RS-485 Interface Pin Configuration

• Data Transmission Pins: Pin 3 (RxD/TxD-A) and Pin 8 (RxD/TxD-B).
• Critical Ground Connection: Always connect Pin 5 (DGND – Data Ground).
• Auxiliary Power: Pins 2 (RP) and 6 (VP) provide 5V reference and supply.
• Control Lines: Pins 4 (CNTR-A) and 9 (CNTR-B) manage interface operation.
• The interface supports flexible baud rate settings via software for broad compatibility.

Packaging & Shipping Details

• The package includes the F8621A coprocessor module and all necessary mounting hardware.
• Comprehensive user documentation is provided to guide installation and configuration.
• We ship all orders via reliable global carriers: FedEx, UPS, or DHL.
• Typical order processing and dispatch time is within 5 business days.

Frequently Asked Questions (FAQ)

• Q: What does the F8621A module do in a HIMA system?
  A: It acts as a secondary processor, adding computing power and two isolated RS-485 ports to a PES H51q system.
• Q: How does the module retain data if power fails?
  A: A battery on the linked F 7131 monitoring module keeps the coprocessor’s RAM active.
• Q: Which RS-485 pin is most important for a stable connection?
  A> Pin 5 (Data Ground) is essential for signal integrity and must always be connected.
• Q: Is the module brand new and in stock?
  A: Yes, we supply only new, factory-original HIMA units. The F8621A is in stock and ready to ship.
• Q: Where do I set the communication speed (baud rate)?
  A> You set the baud rate inside the system’s engineering software, not on the module itself.