6ES7322-1CF00-0AA0 Siemens Simatic S7-300 Digital I/O Module

Product parameters

Output channels: 32 independent digital output channels, transistor (PNP) type, only supports DC load

Load voltage: 24V DC (Standard industrial DC load voltage, incompatible with AC load)

Load current: Maximum 0.1A per channel (100 mA), maximum total current of 2 A for every 16 channels as A group, and maximum total current of 4 A for the entire module

Switching frequency: Up to 50 Hz under resistive load, meeting the requirements of conventional low-frequency start-stop scenarios (non-high-frequency action demands)

Electrical isolation: Photoelectric coupling isolation between the channel and the backplane bus, with 16 channels grouped together for isolation. Anti-electromagnetic interference (EMC) complies with EN 61000-6-2/3 standards

Power loss: The typical power consumption is approximately 4W, and the no-load power consumption is about 1.5W, with relatively low energy consumption

Protection grade: The front-end protection grade of the module is IP20 (suitable for installation in industrial control cabinets)

Working environment: Working temperature 0℃ to 60℃, storage temperature -25 ℃ to 70℃. Relative humidity 5% to 95% (no condensation)

Mechanical features: Compatible with S7-300 standard 35mm DIN rail installation, module width is only 40mm (32-channel high-density design, saving rail space), supports hot plugging (system configuration and power supply configuration support required)

Wiring method: Use the front connector for wiring (Siemens 392-1AJ00-0AA0 front connector is recommended). Spring or screw wiring is available for selection, ensuring reliable contact and convenient wiring

Status indication: Module integrated power indicator light (PWR), channel output status indicator light (each channel corresponds to an LED), making fault detection intuitive

Function

High-density multi-channel output: 32-channel independent channel design, module width only 40mm, high channel density per unit space, which can significantly reduce the occupation of guide rails in the control cabinet and lower system integration costs (suitable for multi-load centralized control scenarios)

PNP transistor output: Compatible with PNP control circuits, complementing NPN output modules to meet the wiring requirements of different loads (such as PNP sensor linkage, positive pole drive scenarios for DC 24V loads)

Group isolation and anti-interference: The photoelectric isolation structure with 16 channels in each group effectively blocks voltage fluctuations and electromagnetic interference on the external load side, ensuring the stable operation of the S7-300 CPU and backplane bus, and is suitable for complex industrial electromagnetic environments

Direct drive for low-power loads: With a maximum output of 0.1A per channel, it can directly drive small current DC loads such as indicator lights, small sensors, micro solenoid valves, and relay coils (low power) without the need for additional amplification components

Seamless system integration: It communicates with the CPU in real time via the S7-300 backplane bus, supports STEP 7 software configuration, and is compatible with industrial buses such as PROFIBUS-DP and PROFINET. It can be seamlessly integrated into distributed control systems or single-machine automation systems

Convenient maintenance: Supports hot-swappable function. Faulty modules can be replaced during system operation to reduce downtime. The channel status indicator light visually displays the output status, facilitating the quick location of the fault point

Application scenarios

Automated production line signal indication and micro-load control: Centralized control of multi-station indicator lights (DC 24V) on electronic component assembly lines, drive of micro-solenoid valves (such as air circuit switches for surface mount technology equipment), and triggering of micro-probes at detection stations

General machinery multi-load auxiliary control: multiple sets of indicator lights (operation, fault, standby) display for small machine tools, start and stop of micro pumps in the lubrication system, and small relay drive for equipment safety circuits

Warehouse and logistics system status feedback: Controlled by the storage location status indicator lights of the stereoscopic warehouse (32 centralized management channels), the zonal operation indicator lights of the conveyor lines, and the position signal feedback indicator lights of the sorting system

Building and infrastructure automation: DC 24V lighting zone control for intelligent buildings (such as lighting in machine rooms and distribution rooms), zone indicator light display for central air conditioning, and driving of interlocking signal indicator lights for fire protection systems

Laboratories and small equipment: Switch control of small instruments in scientific research laboratories, auxiliary indicator lights for medical equipment (such as status display of testing equipment), and multi-channel signal output control for small test benches

Auxiliary signal control in process industry: Field instrument status indicator lights (such as flow meters, pressure gauge power switches) in the chemical and pharmaceutical industries, start and stop of small sampling pumps, and interlinked output of pipeline leakage detection signals

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