I. Basic Overview

Model: F334938 (F3349/38) Brand: HIMA Black Horse Series: HIMatrix F3 / H41q/H51q System Module Type: Composite Digital I/O Module (32 DI + 8 DO) Safety Level: SIL3, AK6, Cat.4/PL e Applicable Systems: SIS, ESD, BMS, F&G Configuration Software: SILworX, ELOP II Installation: Standard F3 Rack Slot, Supports Hot Swap Version Description: 38 is the hardware revision. It optimizes EMC anti-interference, wide temperature stability and component compatibility based on F3349, and has the same functions as the F3349 base version.

II. Core Electrical Parameters

Channel Configuration: 32 Digital Input DI + 8 Digital Output DO

Input Type: 24VDC, Source Type / Drain Type Compatible, High Level Effective (≥15V ON, ≤5V OFF)

Output Type: 24VDC or 48VDC Active Output (Source Type, L+) Single Channel Output Current: Resistive / Inductive Load Maximum 0.5A, Lamp Load Maximum 10W

Output Voltage Drop: 500mA Load ≤ 2V

Protection Mechanism: Each Channel Independent Short Circuit, Overcurrent, Surge, ESD Protection, Fault Automatic Current Limiting

Backplane Power Supply: 5VDC/0.15A

External Power Supply: 24VDC or 48VDC/50mA + Total Load Current

Insulation Isolation: Channel to System, Channel-to-Channel High Voltage Safety Isolation (AK1–6)

Operating Environment Temperature: -20℃ to +60℃

Storage Temperature: -55℃ to +105℃

Protection Grade: IP20

Size: 4TE (Approximately 20mm Wide), Standard F3 Rack Height

III. Functions and Diagnostics

Input Function: 32 DI, Supports Switch Contacts / 24V Active Signal, With Open Circuit / Short Circuit Monitoring

Output Function: 8 DO, Drives 24V/48V Electromagnets, Relays, Contactor Wires

Self-Diagnosis: Channel-level Full Coverage Self-Diagnosis, Diagnosis Coverage ≥ 99%, Can Detect Open Circuit, Short Circuit, Overcurrent, Load Abnormality, External Power Supply Loss Fault Response: Fault Channel Immediate Shutdown Output, System Alarm, Configurable Safety Failure Status Indicator: Each Channel Independent RUN/Fault Indicator, Status Intuitive

Safety Characteristics: Complies with IEC 61508 SIL3, Supports Quadruplex QMR Architecture, Satisfies High Safety Requirements

IV. Typical Applications

ESD Emergency Stop System DI/DO Integrated Interface, Saves Rack Space

BMS Boiler Interlock, F&G Fire and Gas System Signal Acquisition and Actuator Drive

32 Digital Input Signals (Sensors / Switch Contacts) + 8 Actuator Control (Electromagnets / Relays)

24V/48V Mixed Load Control, Compatible with Different Voltage Levels on-site Equipment

Third-party System Dry Contact Interlock and Signal Interchange, Strong Compatibility

V. Comparison of Similar Series

F334838: 8 DO, 48VDC, 0.5A, Pure High Voltage Output Module

F334938: 32 DI + 8 DO, 24V/48V Compatible, Composite I/O Module

F333534: 8 DO, 24VDC, 0.5A, Enhanced Diagnosis + Line Monitoring

F3332: 8 Relay DO, Passive Dry Contact, 250VAC/30VDC, AC/DC Compatible

VI. Brief Usage Instructions

Module Directly Inserted into F3 Rack Backplane, Automatically Identified, Supports Online Hot Swap, Does Not Affect Other Module Input Wiring: 24VDC Sensor / Dry Contact, Common Terminal Connected to 24V Ground, Compatible with Source Type / Drain Type Output Wiring: 24V/48V Positive Terminal Connected to Output Port, Negative Terminal Connected to Power Ground, Source Type Drive, No Need to Distinguish Source Leakage Type Power Supply: Backplane 5VDC + External 24V/48VDC Connected Simultaneously, Module Normal Working State: Select F334938 Hardware Model in SILworX/ELOP II, Configure DI/DO Logic, Line Monitoring Parameters, and Fault Response Strategy Maintenance: Online Replacement Convenient, Diagnostic Information Can Be Viewed Quickly via Software or Hardware Indicator Lights, Reduces Shutdown Risk