F 3237 ABB 8 Channel Safety-Related Input Module

Description:

The HIMA F 3237 is an 8-channel safety-related input module designed for SIL 3 applications, used to connect safety-related proximity switches, proximity switches conforming to DIN 19234 (NAMUR) standards, and resistive sensors.

It is a key component of the HIMA HIMatrix safety system and is certified for use in various industries, including process, power generation, and transportation. The HIMA F3237 module is suitable for applications requiring robust safety-related input monitoring, ensuring compliance with stringent safety standards and reliable operation in industrial environments.

It monitors for short and open circuits in real time and executes safety loops to ensure the system enters a safe state in the event of sensor or circuit failure.

The module has a compact design for easy integration into control cabinets. It features comprehensive self-diagnostic capabilities, automatically performing tests during operation to ensure its functional integrity, thus meeting the requirements of Safety Integrity Level 3 in stringent international safety standards.

Parameters:

Number of channels: 8
Input type: Single-channel, galvanically isolated
Input voltage range: 24 VDC
Input current: 2 A
Response time:  2 ms
Diagnostic coverage: 100%
SIL rating: 3
Switching time: approx. 10 ms
Operating points

• 0signal:0.35≤IE≤1.2 mA
• 1signal:2.1≤IE≤6.0 mA
• Wire break:  0.28 mA
• Short circuit: > 6.5 mA

• Galvanic isolation

Shields against electrical faults

• High diagnostic coverage

Monitors module for faults, ensuring correct operation.

• Easy installation and maintenance

Designed for straightforward setup and upkeep

• Safety Signal Input

Provides 8 independent channels for receiving digital input signals from safety-related sensors (such as emergency stop buttons, limit switches, etc.).

• Circuit Monitoring

Monitors input circuits for open circuits and short circuits. Upon detecting circuit abnormalities, the module immediately reports the fault to prevent erroneous signals from being processed.

• High Diagnostic Coverage

The module automatically performs various diagnostic tests during operation, such as switch capability tests and input circuit crosstalk tests, to ensure proper functionality and high diagnostic coverage.

• Compliance with Safety Standards

The module meets the safety level requirements of SIL 3/Cat.4, making it an ideal choice for building high-reliability safety instrumented systems (SIS).

• LED status indicators

The module's front panel typically features LED indicators to display the signal status of each channel and the module's operational status, facilitating quick diagnostics by on-site personnel.

Datasheet Link:

F 3237 ABB 8 Channel Safety-Related Input Module PDF Datasheet