Description
⚙️ Product Description
The HIMA F8621A is a coprocessor module designed for HIMA H41q and H51q programmable electronic safety systems (PES). It provides additional processing and serial communication capabilities, helping the central controller exchange data with other control systems and external devices. The module incorporates an HD64180 microprocessor operating at 10 MHz, onboard memory, two galvanically isolated RS-485 half-duplex interfaces, and dual-port RAM for rapid data exchange with the central module. It is suitable for compatible legacy safety-control installations in industries such as oil and gas, chemical processing, and power generation.

F8621A
📋 Product Parameters
Product Datasheet
🏷️ Brand: HIMA
🔢 Model: F8621A
📚 Series: H41q / H51q HIQuad Safety Control System
⚙️ Product Name: Coprocessor and Serial Communication Module
🌍 Place of Manufacture: Germany
📦 Product Status: New, New Open Box, or Used — confirm actual inventory condition
📐 Dimensions: Eurocard format, 4 TE installation width; confirm the complete mechanical dimensions against the original drawing
⚖️ Weight: Approximately 0.16 kg; verify the individual unit
🏭 Country of Origin: Germany
🔌 Power Requirements: 5 V DC
⚡ Current Consumption: Approximately 360 mA
🧠 Processor: HD64180, 10 MHz
💾 Memory: 384 KB static memory, including CMOS RAM and EPROM
🔗 Communication Interfaces: 2 × galvanically isolated RS-485 half-duplex
📡 Transmission Rates: Configurable from 300 to 57,600 bps, depending on system configuration
🛠️ Discontinued: Legacy product; confirm current availability and lifecycle status. <Cite refs={[“turn528059search12″,”turn528059search5″,”turn528059search13”]}/>
🔧 Recommended HIMA Models
The following 15 HIMA models are related to safety control, communication, power supply, and I/O applications. They are not guaranteed direct replacements for F8621A.
- F8625 — Ethernet communication module for compatible HIMA systems.
- F8626 — Communication module supporting Ethernet and PROFIBUS options.
- F8627 — Ethernet communication module for compatible HIMA controllers.
- F8628 — PROFIBUS-DP communication module.
- F8650 — HIMA central processing module family; verify the exact system variant.
- F7131 — Power supply monitoring module with buffer batteries for H51 systems.
- F7126 — Power supply module for compatible HIMA racks.
- F7553 — Coupling module for supported HIMA configurations.
- F6214 — Four-channel safety-related analog input module.
- F6215 — Eight-channel analog input module.
- F6216A — Eight-channel analog input module with transmitter supply.
- F6220 — Thermocouple input module for compatible systems.
- F6705 — Two-channel safety-related analog output module.
- F3221 — Digital input module for compatible HIMA systems.
- F3330 — Safety-related digital output module.
⚠️ Compatibility note: Confirm the controller generation, rack configuration, operating system version, communication settings, and approved hardware documentation before replacing an F8621A. Safety-system modifications should be performed and validated by qualified personnel. <Cite refs={[“turn528059search13″,”turn528059search14″,”turn528059search16”]}/>




