Complete model |
6ES7540-1AD00-0AA0 |
Official description |
SIMATIC S7-1500 CM PtP RS232 BA communication module for serial RS232 point-to-point connections, Freeport and 3964(R), up to 19.2 kbit/s. |
Product family |
SIMATIC S7-1500 |
Product type |
CM PtP RS232 BA communication module |
Core selection point |
RS232 point-to-point communication with Freeport and 3964(R) protocols. |
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Complete model
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6ES7540-1AD00-0AA0
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Brand
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Siemens
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Product family
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SIMATIC S7-1500
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Product type
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CM PtP RS232 BA communication module
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Mounting
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S7-1500 mounting rail
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Supply
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System power supply from backplane bus
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Rated current consumption
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35 mA from backplane bus
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Power from backplane bus
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0.65 W
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Typical power loss
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0.6 W
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Address area
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8 input bytes
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Interface
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RS232
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Maximum transmission rate
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19.2 kbit/s
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Maximum cable length
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15 m
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Protocols
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Freeport and 3964(R)
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Maximum frame length
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1 kbyte
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Frame buffer
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2 kbyte; up to 255 frames
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Electrical isolation
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Backplane bus to interface; tested at 707 V DC
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Operating temperature
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0 to +60 deg C horizontal; 0 to +40 deg C vertical
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Dimensions
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35 x 147 x 127 mm
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Weight
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Approx. 0.22 kg
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Point-to-point links
Connect serial automation devices through the module RS232 interface.
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Protocol operation
Use Freeport for application-defined telegrams or 3964(R) for standardized serial exchange.
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Distributed control
Supported with SIMATIC S7-300, S7-400, S7-1500 and standard PROFINET controllers.
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Diagnostics
RUN, ERROR, RxD and TxD LEDs support commissioning and service.
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Engineering
STEP 7 TIA Portal V12 or higher.
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Classic STEP 7
V5.5 SP2 or higher using a GSD file.
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PROFINET integration
GSD revision V2.3.
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Data format
7 or 8 bits, 1 or 2 stop bits, configurable parity.
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Physical interface
9-pin D-sub RS232 connection.
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Serial speed
Up to 19.2 kbit/s.
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Signals
RTS, CTS, DTR, DSR, RI and DCD.
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Diagnostics
Wire-break diagnostics and diagnostic interrupt.
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Mounting
Install on an S7-1500 mounting rail and observe the 35 x 147 x 127 mm envelope.
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Power
The module is supplied from the S7-1500 backplane bus.
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Temperature
Observe 0 to +60 deg C horizontally and 0 to +40 deg C vertically.
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Cable
Use an RS232 cable no longer than 15 m.
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Q1. How can the quoted complete model be verified?
Match 6ES7540-1AD00-0AA0 on the product label, quotation and packaging. Verify the official configuration: RS232 interface, 19.2 kbit/s rate, 15 m cable limit, S7-1500 rail mounting and 35 x 147 x 127 mm dimensions.
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Q2. How can New, Used or Refurbished condition be distinguished?
Request timestamped photos of the RS232 connector, LED indicators and rail mounting surfaces. Wear, contamination, altered labels or repair marks can indicate prior service.
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Q3. How can supplier legitimacy be checked?
Verify the supplier legal entity, address, traceable quotation, invoice beneficiary and written return terms. Require photographs of the exact 6ES7540-1AD00-0AA0 label instead of a generic product-family image.
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Q4. What should an engineer confirm before purchase?
Confirm 19.2 kbit/s RS232, 8 input bytes, Freeport or 3964(R), 0.22 kg and system power supply. Compare every item with the machine design and official data.
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Q5. What evidence should be requested before payment?
Request timestamped evidence showing the full label, serial data, 9-pin RS232 connector, LEDs, rail latch and packaging. The article number must be readable and consistent across all evidence.
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Q6. Can a similar suffix replace this model?
Not automatically. A suffix can change interface, protocol, speed, address area and physical dimensions. Approve a substitute only after a line-by-line engineering comparison with 6ES7540-1AD00-0AA0.
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