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Siemens 6ES7321-1BH02-0AA0 Digital Input Module

Siemens 6ES7321-1BH02-0AA0 Digital Input Module

Siemens 6ES7321-1BH02-0AA0 Digital Input Module

  • Item NO.:

    6ES7321-1BH02-0AA0
  • Market Price:

    $860
  • Product Origin:

    Germany
  • Color:

    NEW
  • Product weight:

    0.01KG
  • Lead Time:

    In stock

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                                                                        • Siemens 6ES7321-1BH02-0AA0 – Digital Input Module

                                                                          Manufacturer: Siemens
                                                                           
                                                                          Part No: 6ES7321-1BH02-0AA0
                                                                           
                                                                          Type: SIMATIC S7-300 SM 321 Digital Input Module, 16-channel, isolated.
                                                                          image
                                                                           

                                                                          Specifications

                                                                          • Series: SIMATIC S7-300 (SM 321)
                                                                          • Channels: 16 digital inputs (opto-isolated)
                                                                          • Input Voltage: 24 V DC (range: 20.4–28.8 VDC)
                                                                          • Signal Levels:
                                                                            • “0”: −30 V to +5 V
                                                                            • “1”: +13 V to +30 V
                                                                          • Input Current: ~7 mA (per channel, signal “1”)
                                                                          • Input Delay: 1.2–4.8 ms (fixed, non-configurable)
                                                                          • Isolation: Channel-to-backplane galvanic isolation (500 VDC test)
                                                                          • Connector: 1 × 20-pin front connector
                                                                          • Cable Length:
                                                                            • Shielded: max 1000 m
                                                                            • Unshielded: max 600 m
                                                                          • Power Consumption: 3.5 W typical
                                                                          • Operating Temp: 0°C to +60°C
                                                                          • Dimensions (W×H×D): 40 × 125 × 120 mm
                                                                          • Weight: ~0.3 kg
                                                                          • Protection: IP20 (front)

                                                                          Key Features

                                                                          • 16 isolated 24VDC inputs: For standard sensors & switches in S7-300 PLC systems
                                                                          • IEC 61131 Type 1 compliant: Industrial standard input characteristics
                                                                          • Status LEDs: Green LEDs per channel for quick visual diagnostics
                                                                          • 2-wire sensor compatible: Supports standard proximity sensors
                                                                          • Group isolation: 16 channels isolated as one group from backplane

                                                                          Applications

                                                                          • SIMATIC S7-300 PLC systems (automation, manufacturing, process control)
                                                                          • Onboard/field digital signal sensing: limit switches, photoelectric sensors, proximity sensors, pushbuttons.

The structure and details of the product:

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