Triconex DI 3301

Hanhui Guan Company has specially prepared a Triconex DI 3301 digital input module for the overseas industrial safety system engineers. This module is a key component of the Triconex Emergency Shutdown (ESD) system. As those who have dealt with high-integrity safety control (HIS) know, this system is different from ordinary PLCs. It is extremely strict in reading signals. Any minor interference or misjudgment could lead to a shutdown accident. As a professional spare parts supplier, Hanhui Guan Company recommends this triple redundancy design input module to you, in order to ensure that you can collect on-site switch signals without any flaws and guarantee that the system's judgment is absolutely accurate.

The greatest advantage of our Triconex DI 3301 model is "interface maintenance" and "deep cleaning". Many other modules on the market have their backboard pins oxidized and blackened, and the gaps of the modules are filled with dust. Here, before shipment, we will use a special electronic cleaning agent to polish the interfaces until they shine brightly, and use industrial cleaning agent to clean the outer shell thoroughly. Most importantly, we will carefully check each terminal port for any foreign objects to ensure that when you receive it, it can be plugged in and used without any concerns about poor contact.

The Triconex DI 3301 is also characterized by fast response and efficient energy management. It utilizes advanced technology to support rapid data processing and real-time monitoring, effectively enhancing work efficiency and production capacity. Its low-energy design not only helps to reduce operating costs, but also reduces the consumption of energy resources, which is in line with the requirements of modern industrial green development.

Product Description

● Points: 32, commoned
● Nominal Input Voltage: 24 V DC
● Operational Voltage Range: 15–30 V DC
● Absolute Maximum Input Voltage: 33 V DC
● Absolute Maximum Reverse Input Voltage: –0.6 V DC
● Input Delay: <10 ms, On to Off or Off to On
● TC: 6.4 ms, –3dB @ 25Hz
● Input Impedance: >30 kΩ without baseplate, ≈3 kΩ with baseplate
● Input Power:0.2 W/pt @ 24 V DC；0.5 W/pt @ 33 V DC
● Input Threshold:0–5 V DC = Off region；6–14 V DC = Transition region；15–30 V DC = On region
● Diagnostic (Loss of View): Force-to-value diagnostic (FVD), <2 ms/test
● Maximum Input Toggle Rate to Maintain Diagnostic Fault Coverage: <20/sec
● Duration: <2 ms
● Magnitude: ≈36% test voltage
● Output Impedance: 0–5 V DC, ≈100 kΩ
● ADC Scan Time: <1 ms for all 32 points
● Functional-to-Protective-Earth Isolation: 500 V DC, minimum

● Functional-to-Functional-Earth (Logic) Isolation: 800 V DC, minimum

Product Applications

● Industrial automation systems: In industrial automation systems, the Triconex DI 3301 module is able to receive switching signals or digital outputs from sensors, convert them into digital form and transmit them to the main control system via an interface. It is therefore widely used to collect digital input signals from a variety of sensors, such as temperature, pressure, flow and level sensors.
● Environmental monitoring and control: In environmental monitoring and control systems, this module can be used to improve productivity and employee comfort by responding to environmental changes in a timely manner, which can result in precise control of the internal environment of a plant or facility.

● Equipment Condition Monitoring: In equipment monitoring and maintenance systems, this module is suitable for monitoring the operational status and health of critical equipment.

● Safety systems: In industrial safety systems, the Triconex DI 3301 module monitors the start, stop, and alarm status of critical equipment, and sends timely alarms or shutdown commands to the operator or the main control system. It is therefore suitable for detecting the status of critical equipment or processes.