HIMA F7127 Discrete Safety Input Module

HIMA

Product Name： HIMA F7127 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 F7127 is a discrete safety input module tailored for HIMA’s F-Series safety controllers, specialized in reliably monitoring discrete signals from field devices in mission-critical industrial safety systems. It meets top-tier functional safety standards (e.g., SIL 3) and is engineered to withstand harsh industrial conditions, making it a core component for safety instrumented functions (SIFs). Below is its detailed information in English.

General Introduction

The HIMA F7127 is designed exclusively for integration with HIMA F-Series safety control systems (such as F 3000x and F 6000 controllers). Its sole function is to collect discrete input signals from field safety devices—including 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 logic processing. It is built with fault-tolerant design principles to ensure signal accuracy and system safety, critical for applications where even minor signal errors could lead to accidents, environmental damage, or production halts.

Technical Parameters

Parameter	Specification
Module Type	Discrete safety input module (input-only, no output channels)
Input Channel Count	16 independent discrete input channels (high-density design for space efficiency)
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 reliable signal detection)
Safety Integrity Level (SIL)	Certified for SIL 3 per IEC 61508; suitable for 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. 4 W (typical: 2.5 W under normal operation, energy-efficient for cabinet heat management)
Operating Temperature	-20 °C to +60 °C (standard); extended range (-40 °C to +70 °C) available for extreme environments (e.g., cold storage, desert refineries)
Relative Humidity	5% – 95% (non-condensing, no dew formation; resistant to humid industrial 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 controller from voltage surges)
Dimensions (W×H×D)	Approximately 100 mm × 160 mm × 35 mm (fits standard HIMA F-Series rack slots; compact for dense cabinet layouts)
Weight	~0.3 kg (lightweight for easy handling and installation)
Certifications	IEC 61508 (SIL 3), ATEX, IECEx (for explosive atmospheres), CE, UL/CSA, KCs, INMETRO

Key Features

Top-Tier 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: if power is lost or a module fault occurs, input signals default to a state that triggers safe controller actions (e.g., emergency shutdown).
Reliable Signal Acquisition
- Configurable input filters (0.1 ms to 100 ms) to suppress electrical noise and transients—common in industrial environments with motors or high-voltage equipment—ensuring no false signals.
- Built-in open-circuit and short-circuit detection for each channel: alerts the controller to wiring faults (e.g., broken cables, shorted sensors) for timely maintenance.
Easy Diagnostics & Maintenance
- Front-panel LED indicators for each channel: "Input Active" (green) and "Channel Fault" (red) provide instant visual status, enabling technicians to quickly locate issues without extra tools.
- Hot-swappable design: the module can be replaced online without shutting down the safety system, minimizing downtime (critical for 24/7 continuous processes like refineries).
Seamless Integration & Flexibility
- Plug-and-play compatibility with HIMA F-Series controllers via HIMA’s proprietary safety bus (e.g., HIMatrix Bus), eliminating complex custom programming.
- Supports both screw terminals and spring terminals for field wiring: adapts to different installation preferences and reduces wiring time/errors.
Industrial-Grade Durability
- Rugged metal housing resists dust, vibration (10 g peak, IEC 60068-2-27), and chemical exposure—suitable for harsh sites like offshore platforms, chemical plants, and mining facilities.
- Wide voltage tolerance (-15% to +20%) ensures stable operation even with fluctuating industrial power supplies.

Application Areas

The HIMA F7127 is indispensable in industries where safety input monitoring is non-negotiable:

Oil & Gas: Monitoring E-Stop buttons, pipeline pressure switches, and fire/gas detector signals for emergency shutdown systems (ESD).
Chemical & Petrochemical: Collecting data from reactor safety interlocks, valve position switches, and leak detectors to prevent hazardous process deviations.
Power Generation: Tracking turbine overspeed switches, boiler level sensors, and electrical breaker statuses for safe energy production.
Machine Safety: Reading signals from light curtains, safety gates, and two-hand control buttons to protect operators from moving machinery (e.g., robots, presses).
Marine & Offshore: Monitoring deck equipment safety switches and hull pressure sensors—certified to resist saltwater corrosion and extreme maritime vibrations.

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