HIMA F8621A Coprocessor Module (H41q/H51q PES)--KIMI-YMGK Industrial Control

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HIMA F8621A Coprocessor Module (H41q/H51q PES)--KIMI

Warehouse: Spot
Warranty： 365 days
Quality: Original module
Condition： New
Shipping method: Courier delivery

Contact person: LI MING
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Product Description

HIMA F8621A Coprocessor Module (H41q/H51q PES)

Dual Isolated RS485 Communication & Auxiliary Processing for Safety Instrumented Systems

1. Product Overview

The HIMA F8621A is a coprocessor module tailored for HIMA H41q/H51q Programmable Electronic Safety (PES) systems, featuring an HD 64180 microprocessor (10 MHz) and dual-port RAM for fast data access to the central unit (CU). It integrates 2 galvanically isolated half-duplex RS485 interfaces, 384 KB static memory (CMOS-RAM + EPROM), and supports software-configurable baud rates (300–57600 bps). Designed for safety-critical industrial environments, it offloads communication tasks, enables Modbus RTU integration with DCS/SCADA/PLC, and supports battery-buffered RAM (via F7131 power module) for data retention during power loss. Ideal for SIL 3/IEC 61508 safety instrumented systems, it enhances system communication reliability and processing efficiency without compromising safety integrity.

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2. Key Technical Specifications

• Product Type: Coprocessor Module (HIMA PES H41q/H51q Series)

• Brand: HIMA (Part No.: F8621A, 9912)

• Processor: HD 64180 (10 MHz Clock Frequency)

• Memory: 384 KB Static Memory (CMOS-RAM + EPROM), Dual-Port RAM

• Communication Interfaces: 2 Galvanically Isolated Half-Duplex RS485

• Baud Rate: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600 bps

• Power Input: 5 V DC (360 mA, from HIMA PES System)

• RAM Backup: Battery-Buffered via F7131 Power Supply Monitoring Module

• Operating Temperature: -40°C to +70°C

• Storage Temperature: -40°C to +85°C

• Dimensions: 4 TE (Typical: 22 mm × 187 mm × 128 mm)

• Weight: 0.16 kg

• Safety Certifications: IEC 61508 (SIL 3), EN 62061, EN 50128

• Isolation: Galvanic Isolation on RS485 Interfaces

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3. Core Features

• Independent Coprocessing: HD 64180 offloads communication tasks from the central unit.

• Dual Isolated RS485: Galvanic isolation prevents ground loops and signal interference.

• Flexible Baud Rates: Software-configurable or DIP switch-controlled transmission speeds.

• Fast Data Access: Dual-port RAM enables high-speed data exchange with the CU.

• Battery-Backed RAM: Data retention during power loss (requires F7131 module).

• Safety Compliance: SIL 3/IEC 61508 certified for safety instrumented systems.

• Hot-Swappable: Field-replaceable without system shutdown (HIMA PES Feature).

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4. Typical Applications

• Safety Instrumented Systems (SIS): Coprocessing for H41q/H51q PES in Oil & Gas, Petrochemicals.

• DCS/SCADA Integration: Modbus RTU Communication via Isolated RS485.

• Remote I/O Expansion: Connects Distributed Safety I/O to Central Control Units.

• Data Logging: Offloads Data Acquisition Tasks for Safety-Critical Parameters.

• Emergency Shutdown (ESD): Supports Communication for ESD Logic Execution.

5. Installation & Configuration

• Mounting: HIMA PES H41q/H51q System Rack (4 TE Slot)

• Configuration: HIMA Programming Software for Baud Rate, Interface Settings

• Wiring: RS485 Half-Duplex (A/B Lines); Follow Galvanic Isolation Guidelines

• RAM Backup: Connect to F7131 Power Module for Battery Buffering

• Compliance: IEC 61508 SIL 3 Certified for Safety-Critical Applications

Technical Document | HIMA F8621A | Coprocessor Module | Safety Instrumented System Communication

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