HBK2-H 7505 HIMA | Redundant Safety I/O for Industrial Systems

HIMA HBK2-H 7505 24V DC Safety I/O Module – Product Description

1. Product Summary

The HIMA HBK2-H 7505 is a high-availability safety I/O module designed for mission-critical industrial applications. It delivers reliable digital input and output processing for emergency shutdown, burner management, and chemical process control. Moreover, its redundant dual-channel architecture ensures uninterrupted operation even if a hardware fault occurs.

3. Technical Data / Specifications

Model Number: HBK2-H 7505
Manufacturer: HIMA (Germany)
Type: Safety I/O Module
Input Channels: 16 digital inputs
Output Channels: 16 digital outputs
Operating Voltage: 24 VDC nominal (18–30 VDC range)
Input Current: 8 mA per channel
Output Rating: 0.5 A per channel (max), 12 A per module aggregate
Safety Certification: SIL 3 (IEC 61508)
Redundancy: Dual-channel redundant architecture
Hot-Swappable: Yes
Mounting: DIN rail / rack mount
Weight: 1.5 kg
Operating Temperature: –20 °C to +60 °C
Storage Temperature: –40 °C to +85 °C
Applications: Emergency shutdown, burner management, turbine safety, chemical process control

5. FAQ

Q1: How many inputs and outputs does the HBK2-H 7505 support?
It provides 16 digital inputs and 16 digital outputs.

Q2: Is this module certified for safety applications?
Yes, it meets SIL 3 requirements according to IEC 61508.

Q3: Can the module be replaced without shutting down the system?
Yes, it features a hot-swappable design for minimal downtime.

Q4: What is the operating voltage range?
The module operates on 24 VDC nominal, ranging from 18–30 VDC.

Q5: Which industries commonly use this module?
It is commonly used in oil & gas, chemical, and power generation industries.