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      6DR2803-8C

      Serial Interface Module
      In Stock
      Ships by Saturday, October 3
      Fast Shipping Available

      Product Describe：

      Siemens 6DR2803-8C is serial interface module. It exchanges SIPART controller process data and settings with a higher-level system through a jumper-selected RS232 or RS485 serial interface.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 6DR2803-8C

      Technical specifications for 6DR2803-8C

      • Manufacturer:
        Siemens
      • Product Category:
        DCS System
      • Spare Part Number:
        6DR2803-8C
      • Estimated shipping dimensions:
        13.5x4.4x1.6cm
      • Weight:
        0.04 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Module designation:
        SES serial interface module
      • Transmittable signals:
        RS232 or RS485
      • Transmittable data:
        Operating states, process variables, parameters and configuration switches
      • Transmission procedure:
        DIN 66258 A or B
      • Character format:
        10 bits: start, 7-bit ASCII, parity and stop
      • Data rate:
        300 to 9600 bit/s
      • Transmission:
        Asynchronous, half-duplex
      • Addressable stations:
        32
      • Traffic monitoring:
        1 to 25 s or none
      • Galvanic isolation:
        Up to 50 V UC
      • RS232 cable capacitance:
        Maximum 2.5 nF
      • RS232 guideline length:
        50 m unshielded flat; 25 m shielded round
      • RS485 cable capacitance:
        Maximum 200 nF in MP31 catalog
      • RS485 guideline length:
        1200 m unshielded flat; 600 m shielded round in MP31 catalog
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      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Siemens 6DR2803-8C is serial interface module. It exchanges SIPART controller process data and settings with a higher-level system through a jumper-selected RS232 or RS485 serial interface.
      • Supports RS232 or RS485 signaling
      • Transfers process variables and configuration data
      • Operates from 300 to 9600 bit per second
      • Provides galvanic isolation to the controller

      6DR2803-8C operates with compatible SIPART DR controller, jumper-selected RS232 or RS485 wiring, higher-level supervisory or configuration system, approved serial protocol and station parameters.

      Engineered applications include SIPART supervisory communication, Serial process-data exchange, Controller configuration link, SES module replacement.

      Important Notice: Record the RS232/RS485 jumper selection, data rate, station address, monitoring time, cable type and protocol before removal; verify controller-specific interface support.

      Siemens 6DR2803-8C Manuals & Downloads
      Siemens 6DR2803-8C Technical Reference (PDF)Siemens 6DR2803-8C Installation & Commissioning Guide (PDF)

      Important Notice: The first document presents exact-model technical and engineering data. The second provides a separate installation, connection, commissioning and acceptance workflow.

      SIPART supervisory communication
      Links a SIPART controller to a higher-level station.
      Serial process-data exchange
      Transfers operating states, variables and setpoints serially.
      Controller configuration link
      Supports parameter and configuration access under the approved protocol.
      SES module replacement
      Restores the exact isolated serial-interface position.
      Read the applicable Siemens instructions before work. Verify 6DR2803-8C and the installed Siemens SIPART DR controller system configuration.
      1
      Verify the complete 6DR2803-8C marking and the assigned Siemens SIPART DR controller system position before work.
      2
      Place the connected sipart supervisory communication process in the approved maintenance state.
      3
      Isolate all applicable power and isolated rs232 or rs485 serial controller data field energy before disconnection.
      4
      Record every connector, conductor, address, jumper and project identity before removal.
      5
      Use ESD controls and protect keyed interfaces, exposed contacts and electronic assemblies.
      6
      Confirm the installed compatible SIPART DR controller and jumper-selected RS232 or RS485 wiring against the approved system record.
      7
      Restore power in a controlled sequence and review module, rack and host diagnostics.
      8
      Prove the intended serial process-data exchange function and retain the final acceptance result.

      Technical notes

      Technical notes

      Official source: Siemens SIPART DR Signal Converters Catalog MP 31. Publication: MP 31, 2019, SES module 6DR2803-8C.

      FAQS

      • Which serial standards are available on Siemens 6DR2803-8C?
        The SES module supports jumper-selected RS232 or RS485 operation in the documented SIPART controller arrangement.
      • What data can 6DR2803-8C transmit?
        It exchanges operating states, process variables, parameters and configuration-switch information with a higher-level system.
      • Which frame and character format are documented for 6DR2803-8C?
        Siemens specifies DIN 66258 A or B with a 10-bit character containing start, 7-bit ASCII, parity and stop bits.
      • What data-rate range applies to 6DR2803-8C?
        The documented transmission speed is 300 to 9600 bit/s using asynchronous half-duplex communication.
      • How many stations can 6DR2803-8C address?
        The technical data lists up to 32 addressable stations with traffic monitoring from 1 to 25 seconds or disabled.
      • What isolation boundary is provided by 6DR2803-8C?
        The module provides galvanic isolation between serial Rxd/Txd and the controller, rated up to 50 V UC in the catalog data.
      • Which cable limits must be checked for 6DR2803-8C?
        Verify the selected RS232 or RS485 cable capacitance and the Siemens guideline length for the actual cable construction.
      • How is 6DR2803-8C accepted after service?
        Restore jumpers and serial parameters, confirm stable polling without timeouts, and verify process values and configuration data at both ends.
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      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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