About SIMATIC S7-1500, 6ES7540-1AB01-0AA0

SIMATIC S7-1500, CM PTP RS422/485 BA communications module for serial connection RS-422 and RS-485 freeport, 3964(R), USS, 19200 bit/s, 15-pin D-sub socket 

Siemens SIMATIC S7-1500

CM PTP RS422/485 BA Communications Module

For serial connection RS-422 and RS-485 freeport, 3964(R), USS, 19200 bit/s, 15-pin D-sub socket

General Information

• Product type designation: CM PtP RS 422 / 485 BA

• Product function:

  • I&M data: Yes; I&M 0

  • Fast startup: Yes

Engineering with

• STEP 7 TIA Portal: Configurable/integrated from V18 with HSP 0367 / V19; older versions: 6ES7540-1AB00-0AA0

• STEP 7: Configurable/integrated from V5.5 SP2 with GSD file

• PROFIBUS: - / -

• PROFINET: GSDML V2.42

Installation / Mounting

• Rail mounting: Yes; S7-1500 mounting rail

Supply Voltage

• Design: Power supply system

• Current consumption: 43 mA (from backplane bus)

• Power consumption: 0.65 W

• Power loss, typ.: 0.6 W

Address Area

• Inputs: 8 byte (performance mode: 32 byte)

• Outputs: 0 byte (performance mode: 32 byte)

Interface Types

RS-485

• Max transmission rate: 19.2 kbit/s

• Max cable length: 1,200 m

RS-422

• Max transmission rate: 19.2 kbit/s

• Max cable length: 1,200 m

• 4-wire full duplex: Yes

• 4-wire multipoint: No

Protocols

• Freeport:

  • Max telegram length: 1 kbyte

  • Bits per character: 7 or 8

  • Stop bits: 1 or 2

  • Parity: None, even, odd, always 1, always 0, any

• 3964(R):

  • Max telegram length: 1 kbyte

  • Bits per character: 7 or 8

  • Stop bits: 1 or 2

  • Parity: None, even, odd, always 1, always 0, any

• Telegram buffer:

  • Memory: 2 kbyte

  • Max buffered telegrams: 255

Diagnostics / Status

• Diagnostics function: Yes

• Alarms: Diagnostic alarm: Yes

• Diagnoses: Wire-break detection: Yes

• LED Indicators:

  • RUN: Green

  • ERROR: Red

  • Receive (RxD): Yellow

  • Transmit (TxD): Yellow

Potential Separation / Isolation

• Backplane bus Interface: Yes

• Isolation tested: 707 V DC

Product Functions / Security

• Signed firmware update: Yes

Ambient Conditions

• Operation temperature:

  • Horizontal: -30 C to 60 C

  • Vertical: -30 C to 40 C

• Max altitude: 5,000 m (restrictions above 2,000 m; see manual)

Decentralized Operation

• Compatible with: S7-300, S7-400, S7-1500, Standard PROFINET controller

Dimensions & Weight

• Width: 35 mm

• Height: 147 mm

• Depth: 127 mm

• Weight: 0.22 kg 

Technical Details