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SIEMENS · SIMATIC S7-1500
6ES7540-1AB01-0AA0
CM PtP RS422/485 BA Communications Module
RSPTP
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SERIAL INTERFACE
RS422
/ RS485 Up to 19.2 kbit/s
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Connector: 15-pin D-sub socket · Protocols: Freeport, 3964(R), USS
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OFFICIAL PRODUCT OVERVIEW
Serial communication for S7-1500
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The Siemens 6ES7540-1AB01-0AA0 is a SIMATIC S7-1500 CM PtP RS422/485 BA communications module for serial point-to-point links. Siemens specifies Freeport, 3964(R) and USS protocol support. Typical applications: connecting legacy serial devices, industrial instruments, third-party drives and dedicated RS422/RS485 equipment to an S7-1500 station. |
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Article number
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6ES7540-1AB01-0AA0
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Product family
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SIMATIC S7-1500 CM PtP
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Interfaces
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RS422 / RS485
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Transmission rate
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Maximum 19.2 kbit/s
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Backplane current
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43 mA
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Power / loss
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Backplane power 0.65 W; typical power loss 0.6 W
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Net weight
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0.268 kg
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PHYSICAL INTERFACE
15-pin D-sub socket
RS422 supports a four-wire full-duplex connection. RS485 configuration depends on the selected operating mode and wiring.
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Protocols: Freeport, 3964(R), USS
Maximum cable length: 1200 m
Telegram length: up to 1 kB
Receive buffer: 2 kB, up to 255 telegrams
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SYSTEM FIT
S7-1500 rail mounting
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Product status: Active standard product. RoHS: Siemens lists compliance since 2024-09-13. WEEE take-back: Yes. Environmental limits: Verify the current Siemens manual and mounting orientation before commissioning. |
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01
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Confirm the complete article number and required serial interface.
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02
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Mount the module on the SIMATIC S7-1500 rail.
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03
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Wire the 15-pin connector according to the Siemens equipment manual.
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04
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Select protocol, baud rate and communication parameters.
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05
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Engineer with TIA Portal V18 plus HSP 0367 or TIA Portal V19, as specified by Siemens.
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BEFORE ORDER
Compatibility checklist
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True stock
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Confirm before quotation
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Condition
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Subject to verification
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Current photos
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Available on request
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Test statement
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Available on request
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Warranty and dispatch
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Confirm before quotation
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Payment and quote response
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Subject to verification
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Company and process
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Company details and transaction documents available on request
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