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6ES7322-8BH10-0AB0

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For SIMATIC S7-300 or ET 200M stations, Siemens 6ES7322-8BH10-0AB0 is an SM 322 module that switches sixteen isolated 24 V DC field loads at 0.5 A per channel.
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Technical specifications for 6ES7322-8BH10-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7322-8BH10-0AB0
  • Product Family:
    Siemens Simatic S7-300
  • Stock:
    1
  • Product Type:
    SM 322 Digital Output Module
  • Number of Outputs:
    16
  • Output Voltage:
    24 V DC
  • Rated Output Current:
    0.5 A per channel
  • Isolation:
    Four groups of 4 channels
  • Front Connector:
    40-pole
  • Diagnostics:
    Configurable
  • Wire-Break Detection:
    At signal 0 and signal 1
  • Redundant Operation:
    Supported
  • Backplane Current:
    100 mA max
  • Power Dissipation:
    6 W typical
  • Weight:
    0.66 lbs (0.3 kg)
  • Estimated shipping dimensions:
    4x12.5x12cm
  • Tariff Code:
    85389091
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Output Circuit Fault Handling Redundant Wiring ET 200M Setup

Features:

  • Switches sixteen 24 V DC loads through four isolated channel groups.
  • Reports configurable output and field-circuit faults to the controller.
  • Supports central S7-300 stations and compatible distributed ET 200M stations.
Separate group supplies let a machine builder divide actuator circuits without losing the common backplane command path.

A detected channel fault can be traced through the module indication and controller diagnostics before the field wiring is disturbed.

The 40-pole front connector keeps the outgoing conductors attached at the module boundary during cabinet service.

The Siemens 6ES7322-8BH10-0AB0 SM 322 Digital Output Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7322-8BH10-0AB0 SM 322 Digital Output Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

How the output paths are organized

  • Channel groups: Sixteen points are divided into four electrically isolated groups, so load circuits can be separated by cabinet section.
  • Load switching: Each sourcing point delivers the commanded 24 V DC state to one field device within the documented current limit.
  • Shared references: The four-channel grouping defines which outputs share supply and reference connections at the front connector.
  • Field termination: A 40-pole removable connector forms the wiring boundary between the module and the actuators.

Using diagnostics during troubleshooting

  • Load-voltage loss: Group-level monitoring can identify a missing external supply before individual actuators are investigated.
  • Wire break: Configured channel diagnostics distinguish an open field circuit at either signal state.
  • Diagnostic interrupt: The CPU can receive a fault event so the control program and maintenance system can respond.
  • Channel indication: Red fault LEDs help relate the controller message to the physical output point.

Planning two-channel availability

  • Paired control: Redundant operation lets two output paths contribute to one load strategy where the project supports it.
  • Reference potential: Both paths must use the documented reference arrangement to avoid unintended equalizing current.
  • Fault separation: Independent diagnostics make it easier to identify which path caused a discrepancy.
  • Commissioning test: Each path should be tested separately before the redundant output is released to service.

Integrating the module in distributed I/O

  • Interface module: The selected IM 153 version must support the SM 322 diagnostics and operating mode required by the project.
  • Hardware catalog: The exact order number and module parameters must be entered in the STEP 7 station configuration.
  • Address mapping: The assigned output bytes must match the control program and the physical slot sequence.
  • Start-up check: External 24 V supplies, front-connector wiring and diagnostic behavior should be verified before enabling loads.
Description
Siemens 6ES7322-8BH10-0AB0 is an SM 322 digital output module that transfers S7-300 or ET 200M backplane commands to sixteen 24 V DC field outputs.

The channels are electrically isolated in four groups of four, with each point rated for 0.5 A. This grouping lets cabinet designers separate load circuits while keeping the module within the documented current and thermal limits.

Configurable diagnostics on 6ES7322-8BH10-0AB0 cover load-voltage loss, channel faults and wire breaks. Diagnostic interrupts and red fault indicators help maintenance teams trace an actuator circuit without replacing unaffected channels.

A 40-pole front connector terminates the field wiring. Central S7-300 use and distributed ET 200M use require the matching CPU or IM 153 interface plus the documented STEP 7 hardware configuration.
Alternative Names
Siemens 6ES7322-8BH10-0AB0 6ES73228BH100AB0 6ES7 322-8BH10-0AB0 6ES7 322 8BH10 0AB0 6ES7322 8BH10 0AB0 6ES7322-8BHI0-0AB0 SM 322 16DO 24V DC 6ES7322-8BH10-0AB0 SM 322
Technical notes
Grouped output isolation and channel diagnostics help distinguish a field-circuit problem from an S7-300 or ET 200M interface issue on Siemens 6ES7322-8BH10-0AB0.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What should be checked when one actuator on 6ES7322-8BH10-0AB0 will not energize?
For 6ES7322-8BH10-0AB0, compare the channel LED and CPU diagnostics with the four-channel group supply, front-connector wiring, actuator load and commanded output state before changing the module.
How does 6ES7322-8BH10-0AB0 separate a wire break from a missing group supply?
6ES7322-8BH10-0AB0 can report channel-level wire-break faults separately from group-level load-voltage loss, helping technicians decide whether to trace one conductor or the shared 24 V supply.
Before adding 6ES7322-8BH10-0AB0 to ET 200M, which compatibility points need review?
Verify that 6ES7322-8BH10-0AB0 is supported by the selected IM 153 version, STEP 7 hardware catalog, slot assignment, output address range and diagnostic parameter set.
Why can 6ES7322-8BH10-0AB0 show a brief output response when load power is mechanically switched?
The documented behavior of 6ES7322-8BH10-0AB0 allows a short output response during mechanical switching of the external load supply, so commissioning should keep actuators safe while the 24 V circuit is tested.
What wiring discipline is required when 6ES7322-8BH10-0AB0 is used for redundant control?
When 6ES7322-8BH10-0AB0 participates in a redundant output path, use the documented reference-potential and decoupling arrangement, then test each path independently to avoid unintended equalizing current.

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