I. Basic Overview

Model: F3348

Brand: HIMA

Black Horse Series: HIMatrix F3 Series

Module Type: 8-channel safety digital output DO module (48VDC active output)

Safety Level: SIL3, AK6, Cat.4/PL e

Applicable Systems: SIS, ESD, BMS, F&G

Configuration Software: SILworX

Installation: F3 standard rack slot, supports hot swapping

II. Core Electrical Parameters

Number of channels: 8 independent transistor active output (source type) Output type: 48VDC high-level active output Single channel rated voltage: 48VDC (allowable range 36–60VDC) Single channel rated current: Resistance / inductive load maximum 0.5A (24W), lamp load maximum 4W Short-circuit protection: Each channel has short-circuit and overcurrent protection, automatically limiting fault current Voltage drop characteristic: 500mA load, internal voltage drop ≤ 2.5V Backplane power supply: 5VDC (120mA) External power supply: 48VDC (200mA + load current) Insulation isolation: Channel and system, channel-to-channel safety isolation (AK1–6) Working environment temperature: -20℃ to +60℃ Protection level: IP20

III. Function and Diagnosis

Built-in channel-level complete self-diagnosis, diagnostic coverage ≥ 99% Can detect: circuit break, short circuit, overcurrent, load abnormality, power failure fault Response: Immediate cut-off of output, system alarm, configurable safe failure state Each channel has independent RUN/Fault indicator light, status clear With source-type output: Directly drives 48VDC solenoid valve, relay coil, contactor With line monitoring function: Break / short circuit automatic identification, when L - power is disconnected, no output signal No additional common power supply required, output end directly connected to negative terminal of 48V ground

IV. Typical Applications

Drive 48VDC industrial solenoid valves, DC relays, contactor coils ESD emergency stop circuit, BMS boiler interlock, F&G fire protection system Output third-party 48VDC control circuit interface, on-site indicator lights / alarm lights Control of medium-power actuator switch control (≤ 0.5A/48VDC)

V. Comparison of Similar Series

F3330/F3331: 8 channels 24VDC active output, 0.5A, basic type F3332: 8 channels relay passive dry contact, 250VAC/30VDC, 5A, AC/DC universal F3335: 8 channels 24VDC active output, 0.5A, enhanced diagnosis + line monitoring F3348: 8 channels 48VDC active output, 0.5A, high-voltage type, suitable for 48V DC load F3334: 4 channels 24VDC high-power active output, 2A, suitable for large load

VI. Brief Usage Instructions

Module directly inserted into F3 backplane, automatically recognized, supports hot plugging Wiring: Connect positive terminal of load to each output terminal, negative terminal to 48V ground; No need to distinguish source-emitter type power supply: Backplane 5VDC + external 48VDC can be connected simultaneously, module works in normal working state: Select F3348 hardware model in SILworX, configure channel logic, fault response maintenance: Support online replacement, does not affect the operation of other modules; Diagnostic information can be viewed in software / hardware indicator lights