HIMA F8652E

The HIMA F8652E is a central processing module (CPU) used in HIMA safety controller systems such as HIQuad H41q/H51q. It performs safety logic execution, system monitoring, and communication within Safety Instrumented Systems (SIS). The module is designed to meet SIL 3 functional safety requirements according to IEC 61508/61511 standards.

Below are the main technical specifications.

HIMA F8652E Technical Specifications

Parameter	Specification
Model	F8652E
Manufacturer	HIMA Paul Hildebrandt GmbH
Product Type	Central Processing Unit (CPU) module
Application System	HIQuad H41q / H51q safety controllers
Safety Integrity Level	SIL 3 (IEC 61508 / IEC 61511)
Processor	Dual Intel 386EX microprocessors
Processor Architecture	32-bit
Clock Frequency	25 MHz per processor
Operating System Memory	1 MB Flash-EPROM per CPU
User Program Memory	512 KB Flash-EPROM per CPU
Data Memory	256 KB SRAM per CPU
Communication Interfaces	2 × RS-485 serial interfaces (isolated)
Diagnostic Display	4-digit alphanumeric display + LED indicators
Watchdog Output	24 V DC fail-safe output (max 500 mA load)
Power Supply	5 V DC
Current Consumption	approx. 2000 mA
Operating Temperature	–20°C to +60°C (typical industrial range)
Storage Temperature	–40°C to +85°C
Module Width	8 TE (Eurocard format)
Dimensions	approx. 100 × 80 × 25 mm
Mounting	Rack / system chassis installation
Certification	TÜV, IEC 61508 SIL3, ATEX (depending on system)

Key Features

1. Dual-processor redundant architecture

Two synchronized Intel 386EX processors ensure fault-tolerant operation.
If one processor fails, the other maintains safe operation.

2. High safety reliability

Designed for SIL 3 safety applications with high diagnostic coverage (>99%).

3. Comprehensive diagnostics

Built-in diagnostic display and LED indicators.
Continuous monitoring of CPU, memory, and communication status.

4. Fail-safe watchdog system

Provides a 24 VDC watchdog output to ensure safe shutdown in case of system failure.

5. Industrial communication capability

RS-485 communication interfaces enable integration with field devices and control networks.

Typical Applications

The HIMA F8652E module is commonly used in safety-critical industrial systems, including:

Emergency Shutdown Systems (ESD)
Fire & Gas detection systems
Turbine protection systems
Petrochemical and refinery safety control
Power plant protection systems

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FAQ

Q:What is the earliest time when you can make delivery?

A:We will make delivery once received your payment.

Q:If the product can’t work, can it be returned?

A:We provide one year warranty.

Q:How easy is it to obtain items?

A:New are no longer continuously manufactured, and therefore supply is scarce.

However, at SAUL we specialize in sourcing hard-to-find products, and although

the lead time varies, the average is between 5-7 business days.

Q:What is the typical price for the items?
A:SAUL ELECTRIC always gives customers excellent service and prices that are highly competitive.Requirements for delivery and availability do affect pricing.