Siemens Modules 6ES7540-1AB00-0AA0

The Siemens part number 6ES7540-1AB00-0AA0 corresponds to the SIMATIC S7-1500, CM PTP RS422/485 BA communication module. This module is used for serial connections in automation systems. 

Specification:

• Product Type Designation: CM PtP RS 422 / 485 BA.
• Communication Protocols: Freeport, 3964 (R), USS.
• Mounting Type: S7-1500 mounting rail (DIN rail).
• Dimensions (W x H x D): 35 mm x 147 mm x 127 mm.
• Net Weight: 0.268 kg (approx. 0.600 lb).
• Supply Voltage: System power supply.

This module features one channel for serial RS 422 and RS 485 communication.