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      Siemens 6ES7340-1BH00-0AE0
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
      Ships by Saturday, November 14

      6ES7340-1BH00-0AE0

      TTY Serial Communication Processor

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          PRODUCT DESCRIPTION

          Point-to-point data exchange through a twenty-milliampere current loop

          Siemens 6ES7340-1BH00-0AE0 is the CP 340 communication processor with a twenty-milliampere TTY current-loop interface. It connects supported communication partners to SIMATIC S7-300 through configured point-to-point messaging. The exact interface supports transmission rates up to nine-point-six kilobaud.

          The processor provides transmit, receive and fault indicators, with communication coordinated by function blocks in the controller program. Its firmware supports documented ASCII, 3964(R) and printer functions. Interface wiring, active or passive current-loop operation and protocol parameters must match the connected partner.
          BEFORE YOU BUY

          Confirm the complete installed configuration

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          ACTUAL APPLICATIONS

          Where 6ES7340-1BH00-0AE0 Fits Across Industrial Sectors

          Industrial uses span production, processing and utility operations, subject to compatible configuration and the applicable engineering requirements.
          • 01 · WATER & WASTEWATER

            Municipal Drinking Water and Wastewater Processing Services

            Drinking water treatment and distribution for communities and businesses.Municipal and industrial wastewater collection for treatment and reuse.
          • 02 · METALS PRODUCTION

            Metal Materials Manufacturing and Commercial Aluminum Processing

            Metal rolling and finishing for commercial industrial material production.Aluminum processing and sheet production for downstream manufacturing markets.
          • 03 · FOOD & BEVERAGE

            Packaged Food Production and Commercial Beverage Processing

            Production of packaged foods for commercial and consumer markets.Processing and preparation of beverages for retail distribution.

          Technical specifications for 6ES7340-1BH00-0AE0

          • Product Model
            6ES7340-1BH00-0AE0
          • Product Parameters
            TTY Serial Communication Processor
          • Manufacturer
            Siemens
          • Serial interface
            20 mA TTY current loop
          • Maximum interface rate
            9.6 kbaud
          • Front connector
            9-pin Sub-D female with screw fixing
          • Current sources
            Two isolated 20 mA current sources
          • Transmission distance
            100 m active; 1000 m passive, under the documented cable conditions
          • Backplane supply
            5 V via S7-300 backplane bus
          • Backplane current
            220 mA maximum
          • Typical power loss
            0.85 W
          • Protocol drivers
            ASCII, 3964(R) and printer driver
          • Maximum telegram length
            1024 bytes for ASCII and 3964(R)
          • Cyclic user-data transfer
            14 bytes sending; 13 bytes receiving per program cycle
          • Interface isolation
            TTY loops and current sources isolated from S7 internal supply
          • Diagnostic indicators
            TXD, RXD and SF LEDs
          View all additional
          View as PDF Ask for Quote
          SYSTEM & REPLACEMENT CHECK

          Information needed before ordering

          Three direct checks to secure your system integration and minimize ordering risks.

          Information

          System integration Replacement check Manuals & support
          CP 340 TTY POINT-TO-POINT LINK

          Current-loop serial communication with explicit partner configuration

          Select the TTY connection diagram for the actual communication partner. Verify the loop's active and passive roles, connector pin allocation and shield-casing arrangement.
          Configure the exact BH00 module in STEP 7 and assign the supported protocol parameters. Preserve the TTY interface's 9.6 kbaud maximum even where family protocol tables list higher speeds.
          Load configuration and parameters to the CPU and call the required communication blocks cyclically. Use the TXD, RXD and SF indications together with documented status information during commissioning.

          Features:

          • Partner-specific loop wiring
          • Protocol parameter assignment
          • Cyclic communication blocks
          The Siemens 6ES7340-1BH00-0AE0 requires the documented hardware configuration, installation conditions and interface arrangement to be verified before system integration and commissioning.
          INTERCHANGEABILITY

          Verify the complete replacement identity before commissioning

          Check the complete BH00 order number and existing TTY interface arrangement. The later BH02 manual mentions BH00 in a historical configuration table but does not automatically establish equal hardware ratings or a drop-in replacement.
          Capture protocol, telegram framing, timeouts, loop wiring and user-program block configuration. Retain the shield-casing connection and partner-specific pin allocation.
          Switch the CPU to STOP for module removal or mounting as specified. Prevent active data transmission before disconnecting the cable, then verify configuration transfer and communication after replacement.

          Features:

          • Exact TTY variant verification
          • Protocol and wiring preservation
          • Controlled link recommissioning
          The Siemens 6ES7340-1BH00-0AE0 requires replacement verification based on its complete order number, installed hardware, signal configuration and project documentation.
          DOCUMENTATION STATUS

          Browse the Manuals, Datasheets, Official Documents, Links

          Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software, certificates, and other items are not included with this equipment unless listed in the stock item description.

          Features:

          • Exact-model manufacturer data and relevant original manual pages
          • TTY current-loop connections, partner-specific pin assignments, shielding precautions and CPU STOP mounting requirements.
          • Accessories and supplied documentation follow the written quotation
          Documentation for the Siemens 6ES7340-1BH00-0AE0 includes an independent technical summary and selected original manufacturer pages; check the applicable document edition against the delivered product and approved installation documentation.

          Also searched as

          6ES7214-1AD23-0XB0 6DD1600-0AK0 6DD1607-0AA2 6ES7231-4HD32-0XB0 6SL3352-1AG38-8FA1

          Important notice

          Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
          This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
          BUYER INFORMATION

          Commercial terms without hidden steps

          Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
          • 01

            Shipping & delivery

            Dispatch
            Eligible stock: same / next day
            Carriers
            DHL, FedEx or UPS
            Ship from
            Xiamen, China
            Packed size
            Confirm final packed dimensions
            Shipping weight
            Confirm final packed weight
          • 02

            Payment & customs

            Payment
            Bank transfer (T/T)
            Currencies
            USD · EUR · GBP · RMB
            Credit cards
            Not accepted
            HS reference
            8517623990
            Origin
            Confirm supplied-unit origin
          • 03

            Warranty & returns

            Warranty
            12 months from AMIKON
            Inspection
            Label, condition and packing checks
            Returns
            Prior RMA authorisation required
            Compatibility
            Confirm before order
            OEM warranty
            Does not apply
          Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.

          • Part checked

            Full suffix recorded

          • Condition checked

            Label and appearance

          • Packing checked

            Antistatic protection

          • Tracking supplied

            Established couriers

          • Sandy Lin

            Dedicated account manager · 15+ years
          FREQUENTLY ASKED QUESTIONS

          Questions buyers ask about 6ES7340-1BH00-0AE0

          Direct answers about identity, compatibility, stock, warranty, payment and shipping.

          • Is this CP 340 an RS232 module?

            No. The complete order number 6ES7340-1BH00-0AE0 identifies the 20 mA TTY current-loop variant. Other CP 340 orders use RS232 or RS422/485 interfaces and have different connectors or electrical requirements.

          • Does the family headline of 19.2 kbaud apply to this TTY interface?

            No. The TTY-specific interface section limits its maximum transmission rate to 9.6 kbaud. Do not apply the broader family or another interface's 19.2 kbaud figure to this order number.

          • How far can a TTY link run?

            The documented maximum is 100 m in active mode and 1000 m in passive mode with the specified cable conditions. Active/passive configuration and the partner circuit must be checked together; the longer distance is not unconditional.

          • Can the communication cable be unplugged during data transfer?

            The manual allows connecting or disconnecting the interface cable, but explicitly requires that no data be transmitting at that moment to avoid data loss. Observe site safety procedures and the complete host instructions.

          • Where is the cable shield connected?

            Use shielded connector casings with large-area shield contact at both ends as specified. The manual warns never to connect the cable shield to GND because this can destroy the submodules.

          • Does configuring the hardware alone establish communication?

            No. Enter the exact module in the hardware configuration, assign protocol parameters and load them to the CPU. Communication function blocks must be called cyclically in the user program, with the selected protocol matching the partner.
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