6ES7322-5HF00-0AB0 Siemens Simatic S7-300 Digital I/O Module

Product parameters

Module type: Digital output module

Number of output channels: 8 independent output channels

Output type: Relay output

Load voltage range: AC 24-230V/DC 24-125V

Output current specification: Maximum output current per channel: 5A; Minimum switching current per channel: 100μA (DC)

Load capacity limit: Maximum total current per channel group: 10A; Total output current of the module: 20A

Switching characteristics: Maximum switching frequency: 0.5Hz/ 1Hz; Mechanical life ≥10⁷ times, electrical life ≥10⁵ times

Power supply: Powered by the backplane bus of the S7-300 PLC

Isolation feature: Electrical isolation between the channel group and the backplane bus; Isolation between groups, but no isolation between channels

Environmental adaptability: Operating temperature: 0-60℃

Storage temperature: -40-85℃

Relative humidity: 5-95%

Protection grade: IP20

Compatible systems: Compatible with all series of S7-300 cpus (such as 312C, 314-2DP, 315-2PN/DP, etc.), and supports STEP 7 V5.x and above software programming configuration

Function

Wide-voltage high-power load drive: The relay output supports AC/DC wide-voltage loads, with a maximum current output of 5A per channel. It can directly drive high-power equipment in industrial sites without the need to add additional intermediate relays or contactors, simplifying the system structure.

Strong anti-interference and isolation protection: The inter-group isolation design can effectively resist electromagnetic interference (EMI), surge voltage and ground loop interference in industrial sites, protecting the PLC host and the module itself. The non-polar characteristic of relay contacts reduces the risk of incorrect wiring and enhances the stability of the system.

High-reliability switch control: The mechanical and electrical life of the relay contacts is long, making it suitable for medium and low-frequency switch control scenarios. The contact switching state is stable, and there is no temperature drift or aging problem of transistor output.

Seamless integration with Siemens ecosystem: Plug and play, no additional driver required. Output channel status, fault diagnosis and other parameters can be quickly configured through STEP 7 software. Strong synergy with S7-300 series PLC and other expansion modules.

Intuitive status and fault diagnosis: The module is equipped with LED indicator lights for power supply (PWR), operation (RUN), and channel status, which can display the power supply status, working status, and on-off status of each output channel of the module in real time, facilitating rapid on-site troubleshooting.

Application scenarios

Control of main manufacturing equipment: machine tools, main drive systems of production lines, stamping equipment, etc., such as driving AC contactor coils (AC 220V), high-power hydraulic solenoid valves (DC 24V), equipment emergency stop control circuits, etc., to achieve the start, stop and action switching of main equipment.

Process industry valves and pump control: Pipeline valves, transfer pumps, etc. in the chemical, petroleum, and pharmaceutical industries, such as pneumatic valve actuators, centrifugal transfer pump contactors (AC 380V/220V), heating furnace ignition devices, etc., to ensure the medium transportation and process control in the production process.

Energy and power auxiliary systems: Control of auxiliary equipment in power plants and substations, such as contactors for driving cooling fans, oil pump motors, sewage pumps, solenoid valves, etc., to achieve interlocking and safety protection of auxiliary systems for energy equipment.

In the building materials and metallurgy industry: Auxiliary control of large equipment in cement production lines and steel mills, such as driving silo discharge valves, conveyor belt braking devices, and fan contactors in dust removal systems, suitable for industrial environments with high temperatures, high dust levels, and strong interference.

Building and building automation: Large-scale factory lighting systems, central air conditioning hosts, fire linkage equipment, etc., such as contactors for driving lighting distribution boxes (AC 220V), contactors for starting and stopping air conditioning compressors, fire pump control circuits, etc., to achieve centralized and automated control of building equipment.

Heavy equipment for ports and logistics: port cranes, large warehouse stackers, heavy conveyor lines, etc., such as driving equipment walking motor contactors, lifting mechanism solenoid valves, braking devices, etc., suitable for the control requirements of high-power loads and complex working conditions.

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