HIMA F7131 High-density Discrete Safety Input Module

HIMA

Product Name： HIMA F7131 High-density Discrete Safety Input Module
Product Categories： HIMA
Contact： 13394046250
Company Name： Xiamen Lingzhao
Company Address： Phase III of Software Park, Jimei District, Xiamen City, Fujian Province
Add Time： 2025-10-21

Details

The HIMA F7131 is a high-density discrete safety input module engineered for HIMA’s F-Series safety controllers, specialized in reliably monitoring large volumes of discrete signals in mission-critical industrial safety systems (SIS). It adheres to strict SIL 3 standards and is optimized for space efficiency and durability in harsh industrial environments, making it ideal for applications requiring extensive input monitoring. Below is its detailed information in English.

General Introduction

The HIMA F7131 is a core input component for HIMA F-Series safety control systems (e.g., F 3000x, F 6000 controllers). Its exclusive function is to collect discrete input signals from field safety devices—such as emergency stop (E-Stop) buttons, safety door switches, limit switches, and fire/gas detectors—and transmit these signals to the safety controller for real-time safety logic processing. It is built with fault-tolerant and high-density design principles to ensure signal accuracy, save cabinet space, and maintain system safety in high-risk scenarios where equipment failure could cause accidents or production downtime.

Technical Parameters

Parameter	Specification
Module Type	Discrete safety input module (input-only, no output channels)
Input Channel Count	32 independent discrete input channels (high-density design to maximize rack space)
Input Signal Compatibility	- Dry contact signals (NO/NC, normally open/normally closed) - Voltage signals: 24 V DC (compatible with PNP/NPN sensors) - Input current: ≥ 2 mA (at 24 V DC, ensures stable signal detection)
Safety Integrity Level (SIL)	Certified for SIL 3 per IEC 61508; compatible with SIL 1/2/3 safety instrumented functions (SIFs)
Power Supply	24 V DC (redundant power input supported; voltage tolerance: -15% to +20%)
Power Consumption	Max. 5 W (typical: 3 W under normal operation, low heat generation for dense cabinet layouts)
Operating Temperature	-20 °C to +60 °C (standard); extended range (-40 °C to +70 °C) available for extreme environments (e.g., arctic oil fields, desert refineries)
Relative Humidity	5% – 95% (non-condensing, no dew formation; resistant to humid settings like wastewater plants)
Isolation	- Channel-to-channel: 1 kV AC (galvanic isolation, prevents cross-channel interference) - I/O to controller backplane: 2 kV AC (protects the controller from voltage surges)
Dimensions (W×H×D)	Approximately 100 mm × 160 mm × 35 mm (fits standard HIMA F-Series rack slots; compact despite high channel count)
Weight	~0.32 kg (lightweight for easy installation and handling)
Certifications	IEC 61508 (SIL 3), ATEX, IECEx (for explosive atmospheres), CE, UL/CSA, KCs, INMETRO

Key Features

SIL 3 Safety Compliance
- Meets SIL 3 requirements (IEC 61508) and aligns with industry-specific standards: IEC 61511 (process industry) and IEC 62061 (machine safety).
- Follows the de-energize-to-safe principle: in case of power loss or module fault, input signals default to a state that triggers safe controller actions (e.g., emergency shutdown), avoiding hazardous conditions.
High-Density & Space Efficiency
- 32 input channels in a single compact module—cuts rack space usage by up to 50% compared to lower-density modules (critical for control cabinets with limited space, such as offshore platforms or skid-mounted systems).
Reliable Signal Acquisition
- Configurable input filters (0.1 ms to 100 ms) to suppress electrical noise and transients from industrial equipment (e.g., motors, transformers), eliminating false signals that could disrupt safety logic.
- Built-in fault detection (open-circuit, short-circuit) for each channel: logs faults to the controller and triggers alerts, enabling predictive maintenance and reducing unplanned downtime.
Easy Diagnostics & Maintenance
- Front-panel LED indicators for each channel: "Input Active" (green) and "Channel Fault" (red) provide instant visual status, allowing technicians to quickly identify and resolve issues without specialized tools.
- Hot-swappable design: the module can be replaced online without shutting down the safety system—critical for 24/7 continuous processes like chemical plants or power stations.
Industrial-Grade Durability
- Rugged metal housing resists dust, vibration (10 g peak, IEC 60068-2-27), and mild chemical exposure, suitable for harsh sites like mining facilities, refineries, and marine environments.
- Wide voltage tolerance (-15% to +20%) ensures stable operation even with fluctuating industrial power supplies.

Application Areas

The HIMA F7131 is widely used in industries requiring extensive safety input monitoring:

Oil & Gas: Monitoring E-Stop buttons, pipeline pressure switches, and wellhead safety valves across large-scale refineries or offshore platforms.
Chemical & Petrochemical: Collecting signals from reactor safety interlocks, valve position sensors, and leak detectors in multi-unit processing plants.
Power Generation: Tracking turbine overspeed switches, boiler level sensors, and electrical breaker statuses in thermal or nuclear power plants.
Machine Safety: Reading signals from light curtains, safety gates, and emergency stops for large manufacturing lines (e.g., automotive assembly, pulp & paper mills).
Water & Wastewater: Monitoring pump status switches, tank level sensors, and chemical dosing safety interlocks in treatment facilities.

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