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Overview
- Module for serial communication connections
- Approved in accordance with the EN 50155, EN 15121, EN 50124, EN 50125 and EN 45545 railway standards for use in rail traffic
- Physical transmission media:
- RS 232C, max. 115.2 Kbps
- RS 422/RS 485, max. 115.2 kbps
- Protocols supported
- Freeport: User-parameterizable frame format for universal communication
- 3964(R) for improved transmission reliability
- Modbus RTU Master
- Modbus RTU Slave
- USS, implemented through instructions
Application
Communications modules enable connection with an external communication partner to exchange data. Comprehensive parameterization options make it possible to adapt the control flexibly to the communication partner.
Modbus RTU master creates a Modbus RTU network for up to 30 Modbus slaves.
The following communication module is available:
- SIPLUS S7-1500 CM PtP RS232 HF TX RAIL;
communication module with RS232 interface for the Freeport, 3964(R), USS and Modbus RTU protocols; 9-pin D-sub connector, max. 115.2 Kbps, 4 KB frame length, 8 KB receive buffer - SIPLUS S7-1500 CM PtP RS422/485 HF TX RAIL;
communication module with RS422 and RS485 interface for the protocols Freeport, 3964(R), USS and Modbus RTU; 15-pin sub D socket, max. 115.2 Kbit/s, 4 KB frame length, 8 KB receive buffer
Design
- Mounting on the S7-1500 mounting rail using one single screw
- Unique sub D connector, cannot be interchanged
- Front flap with expandable cable compartment
Included in the scope of delivery:
- One U connector
- Front door
Function
- Uniform display and diagnostics concept:
- Module status display for ERROR (red LED) and RUN (green LED)
- Communication display for sending and receiving
- Protocols supported:
- Freeport: User-parameterizable frame format for universal communication
- 3964(R) for improved transmission reliability
- Modbus RTU Master
- Modbus RTU Slave
- USS, implemented through instructions
- Interface properties:
- RS 232 with auxiliary signals
- RS 422 for full-duplex connections
- RS485 for half-duplex and multi-point connections
- Transmission rates from 300 to 115 200 bps
- Connection via D-sub connector
- Uniform system functions of SIMATIC ET 200MP:
- Identification and maintenance data IM0
- Firmware update
- Unambiguous labeling on front of module
6AG2541-1AB00-4AB0
Siemens SIPLUS S7-1500 CM PTP RS422/485 TX rail based on 6ES7541-1AB00-0AB0 with conformal coating, -40…+70 °C, OT4 with ST1/2 (+85 °C for 10 minutes), communications module for serial connection RS-422 and RS-485, Freeport, 3964 (R), USS, MODBUS RTU master, slave, 115200 Kbit/s, 15-Pin D-sub socket
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