Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > HIMA > HIMA F3331 Digital Output Module

HIMA F3331 Digital Output Module

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Material	Other	Certification	Other
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Signal	Other	Customized	Other
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Product Description

HIMA F3331 Digital Output Module

Functional Features:

Multiple Load Driving: It can handle resistive loads or inductive loads, with a maximum load current of up to 500mA (12W). It can also connect lamps with a maximum power of 4W, featuring a wide range of applications.
Safe Shutdown and Monitoring: Equipped with an integrated safe shutdown function, along with safety isolation and line monitoring. In case of L power supply interruption, there will be no output signal, which can effectively avoid dangerous situations.
Automatic Testing: Automatic testing can be performed during operation. The main test procedures include output signal readback, switching capability of test signals, crosstalk testing (walking bit test), and line monitoring to ensure the module works properly.

Technical Parameters:

Number of Channels: Usually an 8-channel output module, which can control multiple external devices simultaneously.
Safety Level: Achieves SIL 3 certification (in compliance with IEC 61508 standard), with high safety performance.
Power Supply Voltage: Generally 24V DC, but some data shows that there is a version with 220V voltage specification.
Output Frequency: Some models can reach an output frequency of 30kHz, which can meet some occasions with requirements for output speed.
Operating Temperature: The operating temperature range is generally -20℃ to +60℃, but some modules can work in an environment of -40℃ to +85℃.
Protection Level: The protection level is usually IP20, and versions with higher protection levels can also be provided according to requirements.

Working Principle:
As a high-safety digital output module, the working principle of HIMA F3331 centers on the core process of "receiving instructions - safe processing - driving execution - status feedback", and incorporates multiple safety mechanisms to meet the stringent requirements of industrial safety control systems, as follows:

Instruction Receiving and Communication Interaction
The F3331 module establishes a connection with the upper-level safety controller (such as HIMA HIMax, H41q, etc.) through a fieldbus (such as Interbus-S or a safety standard-compliant communication protocol), and receives logical control instructions from the controller in real-time (such as "turn on/off a certain channel output", "activate safety interlock", etc.).
A verification mechanism (such as CRC verification) is adopted during communication to ensure the accuracy of instruction transmission and prevent misinterpretation of instructions due to interference.
Safety Logic Verification and Processing
The module integrates a safety-level processing circuit, which performs legality verification on the received control instructions to determine whether the instructions comply with preset safety logic rules (such as whether they are within the allowable operation range, whether they match the current state of the system, etc.).
If the instruction is abnormal (such as exceeding the safety threshold, conflicting with interlock conditions), the module will trigger a safety response (such as refusing to execute, outputting a default safe state) to avoid misoperation.
Isolation and Signal Driving

Electrical Isolation: Using optoelectronic isolation or electromagnetic isolation technology, the control circuit inside the module is completely isolated from the power circuit of external executive equipment, preventing external high voltage, surges, or noise interference from entering the control system, and also avoiding the spread of internal faults to external equipment.
Output Driving: The safety-verified instructions are transmitted to the output drive circuit, and the module outputs corresponding digital signals (usually 24V DC switching signals) according to the instructions to drive external actuators (such as safety valves, emergency stop devices, contactors, etc.) to act.
Each output channel is independently controlled and can drive the load separately, ensuring that a single channel fault does not affect the normal operation of other channels.

Real-time Status Monitoring and Diagnosis
The module has built-in sensors and monitoring circuits to monitor the voltage, current, and load status (such as short circuit, open circuit, overload) of each output channel in real-time, as well as the power supply and communication status of the module itself.
If an abnormality is detected (such as a sudden increase in current caused by a channel short circuit), the module will immediately trigger a protection mechanism (such as cutting off the output of the channel, limiting the current) and feed back the fault information (fault type, channel number) to the upper-level controller through the communication interface.
Status Indication and Feedback
The module intuitively displays the working status of each channel (such as normal output, fault, standby) and the overall operating status of the module through LED indicators, facilitating on-site maintenance personnel to quickly identify problems.
Fault information is synchronously uploaded to the safety controller, which can generate alarm signals and record event logs (supporting SOE sequence of events recording) based on this, providing data support for fault troubleshooting and system analysis.
Safety Redundancy and Failure Protection
Some models may have a redundant design (such as dual-circuit backup). When the main circuit fails, it automatically switches to the backup circuit to ensure the continuity of key outputs.
If the module has a serious failure (such as power interruption, core circuit failure), it will automatically enter the preset "safe state" (such as all output channels cut off, maintaining low level) to prevent the occurrence of dangerous states, which meets the requirements of the SIL safety standard for "fail-safe".

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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Guizhou Yuanmiao Automation Equipment Co., Ltd.: Contact nameyezi
Chat Now; AddressXixiu District, Anshun, Guizhou

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Product Categories

ABB	Bently Nevada	TRICONEX	GE
ICS Triplex	HIMA	MOTOROLA	WOODWARD
HONEYWELL	Foxboro	Schneider Modicon	YOKOGAWA
EPRO	MOOG	Westinghouse	Reliance
Emerson	B&R	ALSTOM	LAM
KONGSBERG	FANUC	National Instruments	Kollmorgen
Other Brands	Rexroth	PROSOFT	Vibro-meter
Allen-Bradley	ZYGO	Praxis	METSO
Basler Electric	A-B	XYCOM	AMAT
TOSHIBA	CCC

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