6ES7322-1FH00-0AA0 Siemens Simatic S7-300 Digital I/O Module

Product parameters

Output channels: 16 independent digital output channels, transistor (NPN) type, only supports DC load

Load voltage: 24V DC (Standard industrial DC load voltage, no AC compatibility capability)

Load current: Maximum 0.5A for A single channel, maximum total current of 4A for every 8 channels as a group, and maximum total current of 8A for the entire module (more flexible load distribution in groups)

Switching frequency: Up to 100 Hz under resistive load, meeting the start-stop rhythm of conventional industrial equipment (non-high-frequency scenarios)

Electrical isolation: Photoelectric coupling isolation between the channel and the backplane bus, with 8 channels grouped together for isolation. The anti-electromagnetic interference (EMC) performance complies with the EN 61000 standard

Power loss: The typical power consumption is approximately 5W, and the no-load power consumption is about 2W, 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 approximately 40mm, 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), which is convenient for wiring and ensures reliable contact

Function

Multi-channel centralized output: With a 16-channel independent channel design, it can centrally control multiple 24V DC loads, reducing the module's occupation of rail space and lowering the system integration cost

Group isolation and anti-interference: The photoelectric isolation structure in groups of 8 channels effectively isolates voltage fluctuations and electromagnetic interference on the external load side, ensuring the stable operation of the S7-300 CPU and backplane bus

Medium load driving capability: Single-channel 0.5A output, group total current 4A, module total current 8A, can directly drive small solenoid valves, contactor coils, indicator lights, sensor power supplies and other medium and small power DC loads without additional relays (some high-power loads need to be expanded with relays)

Seamless system integration: Real-time communication with the CPU via the S7-300 backplane bus, supports STEP 7 software configuration, is compatible with industrial buses such as PROFIBUS-DP and PROFINET, and can be integrated into distributed control networks

Convenient maintenance features: Supports hot-swappable function, allowing faulty modules to be replaced during system operation, reducing downtime for maintenance. The module status indicator lights (power and channel output status) are intuitive, facilitating quick troubleshooting

Application scenarios

General machinery manufacturing: Multi-station solenoid valve control of assembly line equipment (such as pneumatic fixtures for stamping lines and assembly lines), multi-stage roller conveyor start and stop of conveying equipment, centralized control of auxiliary actions of machine tools (lubrication pumps, cooling fans)

Automotive manufacturing industry: Clamping devices for automotive parts assembly lines, start and stop of conveyor chain links, sensor triggering and indicator light display control at inspection stations

Warehousing and logistics systems: Location indicator lights for stereoscopic warehouses, start and stop of small conveyor belts, and action control of multiple guiding mechanisms in the sorting system

Building and building automation: Fan coil control for central air conditioning, interlocking valve switching for fire protection systems, and zonal control for building lighting (DC 24V)

Process industry auxiliary systems: Start and stop of small dosing pumps in the chemical and pharmaceutical industries, control of pipeline valves (DC 24V actuators), and power switches for field instruments

Electronic equipment production line: Multiple sets of detection probe drives for PCB board assembly lines, auxiliary action control for surface mount technology (SMT) machines, and centralized management of product sorting indicator lights

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