HIMA F3 DIO 8/8 01 (F3DIO8801) – Compact 8DI/8DO 24 VDC module for HIQuad/HIQuad X safety systems

The F3 DIO 8/8 01, often written as F3DIO8801, is a versatile 24 VDC digital input/output module designed for HIMA HIQuad/HIQuad X safety PLC racks. In one slot, you get eight digital inputs and eight digital transistor outputs—handy when cabinet space is tight and you still need clean separation between field signals. One thing I appreciate is how it keeps wiring straightforward: the module plugs into the system backplane for logic power and communication, while field power for outputs remains at 24 VDC.

Order Placement Process and Guarantees

• Warranty: 365 days
• Lead time: 1 week if in stock; not more than one month latest
• Payment: 50% advance; balance before delivery
• Express shipping: FedEx, UPS, DHL

Key Features

• 8 DI + 8 DO in one slot: Consolidates common ESD, interlock, and utility I/O points without expanding the rack.
• 24 VDC field level: Matches typical plant instrumentation (prox switches, pushbuttons, solenoid valves).
• Backplane-powered logic: No separate logic power wiring; the rack supplies the module via the system bus.
• Designed for safety systems: Suitable for HIMA HIQuad/HIQuad X architectures; supports SIL-rated applications when engineered per IEC 61508/61511.
• Channel diagnostics: Input/output channel status indication helps maintenance teams pinpoint issues faster.
• Compact, single-slot footprint: Frees cabinet space compared with separate DI and DO cards.
• Robust field isolation: Galvanic isolation at the field interface (per channel group) to reduce cross-channel interference.

Technical Specifications

Brand / Model	HIMA F3 DIO 8/8 01 (F3DIO8801)
HS Code	853890 (Parts for industrial control apparatus)
Power Requirements	Logic power via HIQuad/HIQuad X backplane; external 24 VDC field supply for outputs
Signal Input/Output Types	8 × DI (24 VDC), 8 × DO (24 VDC, transistor)
Communication Interfaces	System backplane bus (no front communication ports)
Installation Method	Plug-in module for HIMA HIQuad/HIQuad X rack; field wiring via detachable terminal block
Operating Temperature	0 to +60 °C (typical for F3 modules)
Dimensions & Weight	Single-slot F3 form factor; approx. 0.3 kg

Application Fields

This module is typically used where you need a compact mix of digital signals inside safety-related systems:

• Oil & Gas: ESD panels, fire & gas skids, compressor interlocks, blowdown valve control
• Chemicals & Petrochemicals: pump permissives, tank overfill protection, SIL-rated shutdowns
• Power Generation: turbine ancillary systems, boiler trip logic, balance-of-plant interlocks
• Pharma & Fine Chemicals: utility skids, inerting systems, safe shutdown of critical equipment
• Marine & Offshore: topside ESD/F&G, emergency ventilation and damper control

From my experience, it’s a neat fit for small clusters of I/O on remote panels—things like limit switches, ESD pushbuttons, beacon/sounder outputs, and solenoid valves that you want in one tidy slice of the rack.

“Swapping to the F3 DIO 8/8 01 saved us a card position and simplified our loop drawings,” a maintenance supervisor told us after a turnaround on an offshore platform.

Advantages & Value

• Space and cost efficiency: One module covers small DI/DO clusters, often reducing rack slots and terminal count.
• Lifecycle continuity: Compatible with HIMA HIQuad/HIQuad X environments, which typically eases migration and spares strategy.
• Diagnostics for faster turnaround: Channel status cuts troubleshooting time during SATs or during proof testing.
• Risk reduction: Designed for safety applications; follows IEC safety principles when used in approved architectures.
• Supportable integration: Works cleanly with standard 24 VDC field devices—no exotic accessories required in most cases.

Installation & Maintenance

• Cabinet & rack: Install in a compatible HIMA HIQuad/HIQuad X rack. Provide adequate ventilation; keep ambient within 0–60 °C.
• Wiring practice: Use 24 VDC PNP-style sensors for DI in most cases; protect DO circuits with appropriately sized fuses or breakers for solenoids, lamps, and horn loads.
• Grounding & EMC: Bond shield drains at one end, segregate I/O and power wiring, and maintain clean grounding to avoid nuisance trips.
• Field power: Outputs require stable 24 VDC field supply; check common returns and group allocation before commissioning.
• Safety precautions: De-energize field power before replacing the front connector; verify function with approved test procedures.
• Routine checks: Periodic proof testing per IEC 61511, terminal re-torque during turnarounds, and cleaning of dust with dry air. Firmware checks as applicable to the system controller.
• Spares strategy: Keep at least one spare per panel or per ten installed modules—this seems to minimize downtime in many plants.

Quality & Certifications

• CE compliant; RoHS-aligned design
• Suitable for SIL 3 applications when used within certified HIMA architectures (IEC 61508/61511)
• Manufacturing under ISO 9001 quality systems
• Warranty: 365 days

Suggested Supporting Components

• HIMA HIQuad/HIQuad X racks and power supplies (for system backplane power)
• Detachable front terminal blocks for field wiring (matching the F3 form factor)
• Complementary I/O: F3 DI and F3 DO single-function cards if channel density needs to scale

You might notice that this module hits a practical sweet spot: enough points for small packages, robust enough for safety service, and straightforward to commission with standard 24 VDC devices. If you’re consolidating a few interlocks and solenoids into one rack slot, it usually pays for itself in saved space and wiring time.