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SIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 DI 16 x AC 120V Digital input module

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SIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 DI 16 x AC 120V Digital input module

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Brand Name : SIEMENS

Model Number : 6ES7421-5EH00-0AA0

Certification : CE

Place of Origin : GERMANY

MOQ : 1

Price : USD

Payment Terms : L/C, T/T

Supply Ability : 10PS

Delivery Time : 5-10DAYS

Packaging Details : 30*23*4cm

Certifications : CE, UL, CSA

Communication Interfaces : PROFIBUS, PROFINET, Ethernet

Cpu Type : Central Processing Unit

Dimensions : 290x210x25 mm

Manufacturer : Siemens

Memory : Up to 32 MB

Operating System : SIMATIC S7

Operating Temperature : 0-60°C

Power Supply : 24 V DC

Programming Language : STEP 7

Protection Rating : IP20

Weight : Approximately 5 kg

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SIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 DI 16 x AC 120V Digital input module

The SIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 is a digital input module designed for the S7-400 series of programmable logic controllers. It is specifically designed to handle 16 digital inputs operating at AC 120V.

Key Features:
- Input Type: Digital
- Number of Inputs: 16
- Voltage Rating: AC 120V
- Input Signal: On/Off signal for each input channel
- Input Response Time: Fast response time for real-time control applications
- Diagnostic Functions: Built-in diagnostics for easy troubleshooting and maintenance
- Compatibility: Compatible with the S7-400 PLC system

Applications:
The SIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 digital input module is commonly used in various industrial applications where monitoring and control of AC 120V digital signals are required. Some typical applications include:

1. Manufacturing and Factory Automation: The module can be used to monitor the status of machinery, equipment, and production processes in manufacturing plants. It allows for real-time monitoring and control of on/off signals from sensors, switches, or other devices.

2. Process Control Systems: It can be utilized in process control systems to monitor and control various industrial processes. This includes applications such as temperature control, pressure monitoring, and level sensing, where AC 120V digital signals are involved.

3. Energy and Power Distribution: The module can be integrated into energy and power distribution systems to monitor and control the status of electrical equipment, such as circuit breakers or switchgear. It allows for the detection of on/off signals and the implementation of protective measures.

4. Building Automation: In building automation systems, the module can be used to monitor and control various electrical devices and systems, such as lighting control, HVAC systems, and security systems. It enables the integration of digital signals from switches, sensors, or detectors.

5. Water and Wastewater Treatment: The module can be applied in water and wastewater treatment plants to monitor and control various processes, including pump control, level monitoring, and flow control. It allows for the detection of AC 120V digital signals from sensors or switches.

These are just a few examples of the applications where the SIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 digital input module can be used. Its reliable performance, fast response time, and compatibility with the S7-400 PLC system make it suitable for a wide range of industrial automation applications.

SIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 DI 16 x AC 120V Digital input moduleSIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 DI 16 x AC 120V Digital input moduleSIEMENS SIMATIC PLC S7-400 6ES7421-5EH00-0AA0 SM421 DI 16 x AC 120V Digital input module

Technical data

SIMATIC S7-400, DIGITAL INPUT SM 421, OPTIC. ISOLATED, 16 DI, 120 V AC, WITH 1 COMMON POINT
Supply voltage
Load voltage L1
● Rated value (AC) 120 V
● permissible range, lower limit (AC) 74 V
● permissible range, upper limit (AC) 132 V
Input current
from backplane bus 5 V DC, max. 100 mA
Power loss
Power loss, typ. 3 W
Digital inputs
Number of digital inputs 16
Number of simultaneously controllable inputs
● Number of simultaneously controllable inputs 16
Input voltage
● Rated value (AC) 120 V; 47 ... 63 Hz
● for signal "0" 0V AC to 20V AC
● for signal "1" 74V AC to 132V AC
Input current
● for signal "0", max. (permissible quiescent current) 4 mA; 0 to 4 mA
● for signal "1", typ. 6 mA; 6 to 20 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable Yes
— at "0" to "1", min. 2 ms
— at "0" to "1", max. 15 ms
— at "1" to "0", min. 5 ms
— at "1" to "0", max. 25 ms
Cable length
● shielded, max. 1 000 m
● unshielded, max. 600 m
Encoder
Connectable encoders
● 2-wire sensor Yes
— permissible quiescent current (2-wire sensor), max. 4 mA
Interrupts/diagnostics/status information
Diagnostics function No
Diagnostics indication LED
● Status indicator digital input (green) Yes
Potential separation
Potential separation digital inputs
● between the channels, in groups of 1
● between the channels and backplane bus Yes
Isolation
Isolation tested with 1 500 V AC
Dimensions
Width 25 mm
Height 290 mm
Depth 210 mm
Weights
Weight, approx. 650 g

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