HIMA F8650X

Here are the technical specifications of the HIMA F8650X central processing module used in HIMA safety instrumented systems (SIS).

HIMA F8650X Technical Specifications

1. General Information

Model: F8650X (Part No. 984865065)
Manufacturer: HIMA Paul Hildebrandt GmbH
Module Type: Central Processing Unit (CPU) for Safety Instrumented Systems (SIS)
Application: Industrial safety control, emergency shutdown (ESD), fire & gas systems
Safety Certification: SIL 3 (IEC 61508)

2. Processor & Performance

Processor Type: Dual Intel 386EX microprocessors
Architecture: 32-bit
Clock Frequency: 25 MHz per processor
Execution: Synchronous dual-processor redundant operation for fault tolerance

3. Memory Configuration

Operating System Memory:
- 1 MB Flash-EPROM per processor
User Program Memory:
- 1 MB Flash-EPROM per processor
Data Memory:
- 1 MB SRAM per processor
Battery Backup:
- Retains memory during power loss

4. Communication Interfaces

Serial Ports:
- 2 × RS-485 isolated interfaces
Supported Protocols:
- Modbus RTU / ASCII
- Modbus TCP (via communication modules)
- SafeEthernet / ELOP II TCP
Network Expansion:
- Ethernet or PROFINET through additional modules

5. Safety & Diagnostic Features

Safety Watchdog Output:
- 24 V DC
- Maximum load 500 mA
- Short-circuit protection
Diagnostics:
- Four-digit matrix diagnostic display
- LED status indicators
- Self-diagnostic monitoring
Fault Handling:
- Automatic system shutdown or fail-safe mode on fault detection

6. Electrical Specifications

Supply Voltage: 5 V DC (via backplane)
Typical Current Consumption: 2 A
Power Consumption: ~10 W peak

7. Environmental Specifications

Operating Temperature: −20 °C to +60 °C
Storage Temperature: −40 °C to +85 °C
Humidity: Up to 95% non-condensing
Protection Class: IP20

8. Mechanical Specifications

Module Width: 8 SU (subrack units)
Approximate Dimensions: about 128 × 165 × 130 mm
Weight: approx. 0.3–0.85 kg depending on configuration
Installation: Rack-mounted in HIMA safety controller chassis

9. System Compatibility

The F8650X is typically used in:

HIMA PES H51q series safety systems
HIMA HIMax / HIQuad architectures
Systems such as:
- H51q-MS
- H51q-HS
- H51q-HRS

✅ Typical applications

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

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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.