| Article number | 6ES7540-1AD00-0AA0 | 6ES7541-1AD00-0AB0 | 6ES7540-1AB00-0AA0 | 6ES7541-1AB00-0AB0 |
| S7-1500, CM PTP RS232 BA | S7-1500, CM PTP RS232 HF | S7-1500, CM PTP RS422/485 BA | S7-1500, CM PTP RS422/485 HF |
| General information |
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| Product type designation | CM PtP RS 232 BA | CM PtP RS 232 HF | CM PtP RS 422 / 485 BA | CM PtP RS 422 / 485 HF |
| Product function |
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● I&M data | Yes; I&M 0 | Yes; I&M 0 | Yes; I&M 0 | Yes; I&M 0 |
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● Fast startup | Yes | Yes | Yes | Yes |
| Engineering with |
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● STEP 7 TIA Portal configurable/integrated from version | V12 / V12 | V12 / V12 | V12 / V12 | V12 / V12 |
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● STEP 7 configurable/integrated from version | V5.5 SP2 with GSD file | V5.5 SP2 with GSD file | V5.5 SP2 with GSD file | V5.5 SP2 with GSD file |
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● PROFIBUS from GSD version/GSD revision | – / – | – / – | – / – | – / – |
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● PROFINET from GSD version/GSD revision | V2.3 | V2.3 / – | V2.3 | V2.3 / – |
| Installation type/mounting |
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| Rail mounting | Yes; S7-1500 mounting rail | Yes; S7-1500 mounting rail | Yes; S7-1500 mounting rail | Yes; S7-1500 mounting rail |
| Supply voltage |
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| Type of supply voltage | system power supply | system power supply | system power supply | system power supply |
| Input current |
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| Current consumption (rated value) | 50 mA; From the backplane bus | 50 mA; From the backplane bus | 43 mA; From the backplane bus | 43 mA; From the backplane bus |
| Power |
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| Power available from the backplane bus | 0.75 W | 0.75 W | 0.65 W | 0.65 W |
| Power loss |
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| Power loss, typ. | 0.6 W | 0.6 W | 0.6 W | 0.6 W |
| Address area |
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| Address space per module |
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● Inputs | 8 byte | 8 byte | 8 byte | 8 byte |
| Interface types |
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| RS 232 |
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● Transmission rate, max. | 19.2 kbit/s | 115.2 kbit/s |
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● Cable length, max. | 15 m | 15 m |
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● RS 232 auxiliary signals | RTS, CTS, DTR, DSR, RI, DCD | RTS, CTS, DTR, DSR, RI, DCD |
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| RS 485 |
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● Transmission rate, max. |
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| 19.2 kbit/s | 115.2 kbit/s |
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● Cable length, max. |
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| 1 200 m | 1 200 m |
| RS 422 |
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● Transmission rate, max. |
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| 19.2 kbit/s | 115.2 kbit/s |
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● Cable length, max. |
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| 1 200 m | 1 200 m |
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● 4-wire full duplex connection |
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| Yes | Yes |
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● 4-wire multipoint connection |
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| No | No |
| Protocols |
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| Integrated protocols |
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| Freeport |
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— Telegram length, max. | 1 kbyte | 4 kbyte | 1 kbyte | 4 kbyte |
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— Bits per character | 7 or 8 | 7 or 8 | 7 or 8 | 7 or 8 |
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— Number of stop bits | 1 or 2 bit | 1 or 2 bit | 1 or 2 bit | 1 or 2 bit |
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— Parity | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any |
| 3964 (R) |
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— Telegram length, max. | 1 kbyte | 4 kbyte | 1 kbyte | 4 kbyte |
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— Bits per character | 7 or 8 | 7 or 8 | 7 or 8 | 7 or 8 |
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— Number of stop bits | 1 or 2 bit | 1 or 2 bit | 1 or 2 bit | 1 or 2 bit |
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— Parity | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any | None, even, odd, always 1, always 0, any |
| Modbus RTU master |
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— Address area |
| 1 to 247, extended 1 to 65535 |
| 1 to 247, extended 1 to 65535 |
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— Number of slaves, max. |
| 1 |
| 32 |
| MODBUS RTU slave |
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— Address area |
| 1 to 247, extended 1 to 65535 |
| 1 to 247, extended 1 to 65535 |
| Telegram buffer |
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● Buffer memory for telegrams | 2 kbyte | 8 kbyte | 2 kbyte | 8 kbyte |
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● Number of telegrams which can be buffered | 255 | 255 | 255 | 255 |
| Interrupts/diagnostics/status information |
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| Diagnostics function | Yes | Yes | Yes | Yes |
| Alarms |
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● Diagnostic alarm | Yes | Yes | Yes | Yes |
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● Hardware interrupt | No | No | No | No |
| Diagnoses |
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● Wire-break | Yes | Yes | Yes | Yes |
| Diagnostics indication LED |
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● RUN LED | Yes; green LED | Yes; green LED | Yes; green LED | Yes; green LED |
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● ERROR LED | Yes; red LED | Yes; red LED | Yes; red LED | Yes; red LED |
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● Receive RxD | Yes; Yellow LED | Yes; Yellow LED | Yes; Yellow LED | Yes; Yellow LED |
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● Transmit TxD | Yes; Yellow LED | Yes; Yellow LED | Yes; Yellow LED | Yes; Yellow LED |
| Potential separation |
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| between backplane bus and interface | Yes | Yes | Yes | Yes |
| Isolation |
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| Isolation tested with | 707 V DC (type test) | 707 V DC (type test) | 707 V DC (type test) | 707 V DC (type test) |
| Ambient conditions |
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| Ambient temperature during operation |
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● horizontal installation, min. | 0 °C | 0 °C | 0 °C | 0 °C |
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● horizontal installation, max. | 60 °C | 60 °C | 60 °C | 60 °C |
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● vertical installation, min. | 0 °C | 0 °C | 0 °C | 0 °C |
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● vertical installation, max. | 40 °C | 40 °C | 40 °C | 40 °C |
| Decentralized operation |
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| to SIMATIC S7-300 | Yes | Yes | Yes | Yes |
| to SIMATIC S7-400 | Yes | Yes | Yes | Yes |
| to SIMATIC S7-1500 | Yes | Yes | Yes | Yes |
| to standard PROFINET controller | Yes | Yes | Yes | Yes |
| Dimensions |
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| Width | 35 mm | 35 mm | 35 mm | 35 mm |
| Height | 147 mm | 147 mm | 147 mm | 147 mm |
| Depth | 127 mm | 127 mm | 127 mm | 127 mm |
| Weights |
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| Weight, approx. | 0.22 kg | 0.22 kg | 0.22 kg | 0.22 kg |
