SQM48.497A9 SIEMENS Output module

Description

SQM48.497A9 SIEMENS Output module

Product Dimensions：

Product Description

A Siemens Output Module (OM), available as Digital Output (DO) or Analog Output (AO), is the interface that translates control decisions from the Central Control Module (CCM) into actions in the physical world. It takes digital signals from the CCM and converts them into power signals (like switching $24 text{ V DC}$ or $230 text{ V AC}$) to actuate field devices, or into continuous signals (like $0-10 text{ V}$ or $4-20 text{ mA}$) to control final control elements.

These modules are essential for controlling motors, switching lights and indicators, operating valves, and setting speed references for drives, thus executing the control logic and making the desired process adjustments.

Product Parameters

Product Advantages

• Robust Protection and Diagnostics: Features integrated electronic protection (e.g., against short circuits and overloads) and channel-level diagnostics to maximize equipment protection and quickly pinpoint failures.
• High Reliability: Uses robust switching elements (high-performance relays or transistors) designed for a high number of switching cycles and long operational lifespan.
• Fast Response Time (DO): Transistor output modules offer extremely fast switching times, making them suitable for time-critical applications like pulse width modulation (PWM) or high-speed solenoid control.
• High Precision (AO): Analog Output modules provide fine-grained control with high resolution and accuracy, which is essential for precise manipulation of continuous variables.
• Flexible Actuator Control: Supports different load types (resistive, inductive) and connection methods, offering versatility in controlling various field devices.

Important Considerations

• Load Rating Compliance: Never exceed the specified maximum current per channel or the maximum total current per module, as this will lead to overheating and potential component failure.
• Safety Circuits: Output modules are typically not suitable for direct use in critical safety functions unless they are specifically certified Safety Output Modules (e.g., Fail-Safe/F-DO). Always use certified safety systems for personnel and machine protection.
• Inductive Loads: When switching inductive loads (solenoids, contactors), external protective circuitry (e.g., diodes or RC snubbers) may be required to prevent voltage spikes that could damage the transistor or relay contacts.
• Wiring and Power: Ensure that the field power supply connected to the output module is correctly sized, protected, and stable, as output power quality directly affects actuator performance.
• Channel Configuration: For Analog Outputs, ensure the correct output range (voltage/current) and fail-safe behavior are configured in the engineering software.

Product Applications

Siemens Output Modules are the critical link between the control system and all active elements of a machine or process:

• Machine Control: Actuating solenoid valves, controlling pneumatic cylinders, switching motors on/off, and operating signal lights/alarms.
• Motor and Drive Control: Providing analog setpoints (speed, torque) to variable speed drives or servo controllers.
• Heating and Cooling: Controlling heating elements, regulating chillers, or opening/closing dampers and actuators in HVAC systems.
• Process Manipulation: Adjusting the position of motorized valves, dosing pumps, and other final control elements in chemical or utility processes.
• Data Recording: Outputting signals to recording devices, meters, or remote indicators.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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