1. System Overview and Core Advantages
HIQuad X is the next-generation safety related programmable electronic system (PES) launched by HIMA, designed to meet the dual requirements of high availability and functional safety in the industrial sector.
Core Features
Safety level: The system design complies with IEC 61508 SIL 3 and EN ISO 13849-1 PL e standards.
Programming tools: Use validated SILworX programming tools for configuration, monitoring, and programming.
Architecture: Supports the principles of "de excitation trip" and "excitation trip", suitable for fire alarm systems (compliant with DIN EN 54-2 and NFPA 72) and explosion-proof areas (Zone 2).
Compatibility: Supports existing HIQuad I/O modules to ensure a smooth transition for system upgrades.
2. System architecture: H51X and H41X series
The HIQuad X adopts a modular design and is mainly divided into two series: H51X (high-performance, highly expandable) and H41X (compact, independently expandable).
2.1 H51X Series (Extended System)
Suitable for scenarios with large-scale I/O requirements.
Structure: 1 basic rack+up to 16 expansion racks.
I/O capacity: up to 256 I/O modules, totaling up to 4096 I/O points.
Expansion rack: Each expansion rack supports up to 16 I/O modules.
Communication module: The basic rack supports up to 10 communication modules.
2.2 H41X series (compact system)
Suitable for applications with limited space or moderate I/O points.
Structure: 1 basic rack+up to 1 expansion rack.
I/O capacity: up to 28 I/O modules, totaling up to 224 I/O points.
Basic rack: The basic rack comes with 12 I/O slots.
Communication module: The basic rack supports up to 2 communication modules.

3. List of Key Hardware Components and Models
The flexibility of the HIQuad X system comes from its rich modular components. The following are the key hardware models and their functions listed in the system manual.
3.1 Core Control and Processing Module
Component Model Function Description
F-BASE RACK 01 H51X system basic rack, including H51X backplane.
F-BASE RACK 02 H41X system basic rack, including H41X backplane.
F-BASE RACK 11 expansion rack backplane, supporting maximum I/O expansion.
F-CPU 01 processor module. Integrate 1oo2 processor architecture (dual microprocessor continuous data verification) to ensure SIL 3 safety integrity.
F-IOP 01 I/O processing module. Manage the I/O bus, connect I/O modules with processor modules, and be responsible for transmitting I/O watchdog signals.
F-COM 01 communication module. Equipped with 2 Ethernet interfaces and 1 fieldbus interface for secure or standard communication with external systems.
3.2 Power Supply and Distribution Module
Component Model Function Description
F-PWR 01 power supply unit (24V/5V). Each basic rack can be configured with up to 5 (H51X) or 2 (H41X) for redundancy.
F-PWR 02 buffer module. Used to compensate for voltage drops in expansion racks and ensure independent redundant power supply at the I/O level.
F 7133 power distribution module. Used for fuse protection and 24V distribution of I/O modules.
K 7205/7212/7213/7214 HIMA power distribution components provide redundant power supply solutions with decoupling diodes and main filters.
H 7034 main filter, used to protect 24V power supply from transient interference.
3.3 I/O Module Model List
HIQuad X supports a wide range of I/O modules, including digital (DI/DO), analog (AI/AO), relays, and counters.
Digital input module
F 3221 (Z 7116/3221): 16 channel digital input
F 3236 (Z 7116/3236): 16 channel digital input, SIL 3
F 3237 (Z 7108/3237): 8-channel digital input, SIL 3
F 3238 (Z 7008/3238): 8-channel digital input; SIL 3; (Ex)i
F 3240 (Z 7130/3240): 16 channel digital input 110 VDC, SIL 3
F 3248 (Z 7130/3248): 16 channel digital input 48 VDC, SIL 3
Digital output module
F 3322 (Z 7136/3322): 16 channel digital output 0.5 A, SIL 3
F 3325 (Z 7025/3325): 6-channel power supply module
F 3330 (Z 7138/3330): 8-channel digital output 0.5 A, SIL 3
F 3331 (Z 7138/3331): 8-channel digital output 0.5 A, SIL 3
F 3333 (Z 7134/3333): 4-channel digital output 2 A, SIL 3
F 3334 (Z 7134/3334): 4-channel digital output 2 A, SIL 3
F 3335 (Z 7035/3335): 4-channel digital output; (Ex)i
F 3349 (Z 7150/3349): 8-channel digital output 0.5 A, SIL 3
F 3422 (Z 7139/3422): 8-channel relay 60 VDC, SIL 3
F 3430 (Z 7149/3430): 4-channel relay 110 VDC, SIL 3
Analog input and output module
F 6215 (Z 7127/6215): 8-channel analog input
F 6217 (Z 7127/6217): 8-channel analog input, SIL 3
F 6220 (Z 7062/6220): 8-channel thermocouple; (Ex)i
F 6221 (Z 7063/6221): 8-channel analog input; (Ex)i
F 6705 (Z 7126/6705): 2-channel analog output
F 6707 (Z 7126/6706): 2-channel analog output
other modules
F 3224A (Z 7114/3224): 4-channel digital input; (Ex)i
F 3248 (Z 7130/3248): 16 channel digital input 48 VDC
F 3325 (Z 7025/3325): 6-channel power supply module
F 3422 (Z 7139/3422): 8-channel relay 60 VDC
4. Security and availability
The core design of HIQuad X is to maximize availability through redundant architecture while ensuring safety (SIL 3).