6ES7331-7KB02-0AB0 Siemens Simatic S7-300 Analog I/O Module

Product parameters

Input channel number: 8 channels, and the signal types of each channel can be independently configured.

Signal types: Supports voltage (0-10V, 1-5V, -10V to +10V), current (0-20mA, 4-20mA), and millivolt (-100mV to +100mV) signals.

Resolution: 13 bits + sign bits for voltage/current signals, 16 bits + sign bits for millivolt signals.

Measurement accuracy: ±0.05% (full scale), low temperature drift coefficient.

Input impedance: Voltage input ≥10MΩ, current input ≤250Ω, millivolt input ≥10MΩ.

Power supply and power consumption: DC 24V power supply, typical power consumption 3W, maximum current consumption 150mA.

Isolation level: Electrical isolation between channels and between channels and the backplane bus, with an isolation voltage of 500V DC.

Environmental adaptability: Operating temperature 0°C to 60°C, storage temperature -25 °C to +65°C, protection grade IP20.

Product function

Multi-signal compatibility: It can flexibly adapt to analog signals such as voltage, current and millivolts, meeting diverse industrial measurement requirements.

High-precision conversion: High-resolution AD conversion chips combined with calibration algorithms ensure the accuracy and reliability of measurement data.

Anti-interference design: Built-in RC filter circuit and electrical isolation structure to resist electromagnetic interference in industrial sites.

Fault diagnosis: It is equipped with channel-level diagnostic functions, capable of detecting faults such as signal disconnection and overload, and providing prompts through LED indicator lights and system diagnostic information.

Convenient configuration: Seamlessly compatible with S7-300 series cpus, supports STEP 7 and TIA Portal software parameter Settings, no additional programming required.

Application scenarios

Process parameter collection: In the chemical and petroleum industries, 4-20mA/0-10V signals output by flow, pressure, liquid level and other sensors are collected.

Manufacturing monitoring: In automotive and electronic production lines, parameters such as operating pressure of equipment, liquid level of hydraulic systems, and material temperature (via millivolt signal sensors) are measured.

Energy management: In the power and water treatment industries, data such as the operating current of pumps and fans and the pressure of pipeline networks are collected for energy consumption monitoring.

Test and control equipment: As a signal acquisition unit for industrial test benches and experimental devices, it is compatible with various analog output sensors.

Building automation: Collect signals such as the temperature of the air conditioning system, the pressure of ventilation ducts, and the water supply pressure to achieve intelligent control of building equipment.

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