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Overview
The SIPLUS S7-1200 CM 1242-5 RAIL communications module is used to connect a SIPLUS extreme RAIL S7-1200 to PROFIBUS as DP-V1 device and has the following characteristics:
- Approved in accordance with the EN 50155, EN 15121, EN 50124, EN 50125 and EN 45545 railway standards for use in rail traffic
- PROFIBUS DP-V1 device according to IEC 61158
- Module replacement without PG supported
- Power is supplied via the backplane bus so that no extra cabling is required
- Support of all standard baud rates from 9.6 Kbps to 12 Mbps
- Compact industry-standard enclosure in S7-1200 design for mounting on a DIN mounting rail
- Fast commissioning thanks to easy configuration using STEP 7 without additional programming overhead
The SIPLUS S7-1200 CM 1242-5 RAIL is intended for use in rail traffic. Low-cost PROFIBUS-based automation solutions can be created on the basis of the S7-1200.
Benefits
PROFIBUS-based systems can be operated effectively for lower operating and maintenance costs:
- Low costs since an automation solution requires no fixed wiring and less hardware
- Fast response to faults thanks to comprehensive diagnostics options
- Optimized plant and inventory management
The SIPLUS S7-1200 CM 1242-5 RAIL also offers further benefits especially for the requirements of micro-automation solutions:
- Uncomplicated connection of the S7-1200 to PROFIBUS without extra power supply
- Low-cost implementation of automation solutions based on PROFIBUS
- Fast commissioning, as no programming overhead is required
Application
The SIPLUS S7-1200 CM 1242-5 RAIL is designed for use in rail traffic.
With the CM 1242-5 RAIL, low-cost, distributed automation solutions can be implemented on the basis of the S7-1200, or in simple cases even complete plant automation systems.
Design
The SIPLUS S7-1200 CM 1242-5 RAIL offers all the benefits of the S7-1200 design.
- Rugged, compact plastic enclosure
- Easily accessible connection and diagnostics elements, protected by front flaps
- Removable terminals
- Simple mounting on the mounting rail of the S7-1200
- 9-pin sub-D socket for the bus interface to PROFIBUS
The CM 1242-5 RAIL is plugged into the left-hand system bus interface of the S7-1200. Power is supplied via the system bus of the S7-1200 so that no extra cabling is required. The rugged RS485 interface is located on the underside of the module, protected by the lower front flap.
Function
The SIPLUS S7-1200 CM 1242-5 RAIL provides communications services to integrate an S7-1200 as a PROFIBUS DP device into an automation solution.
PROFIBUS DP Device
The CM 1242-5 RAIL works as a DP-V1 device according to IEC 61158, handles the data transfer completely independently, and thus relieves the CPU of communication tasks.
The data areas of the distributed I/Os are transferred consistently between CP and CPU.
Diagnostics
Extensive diagnostic options are available via STEP 7, including
- Operating status of the CM
- General diagnostics functions
- Connection diagnostics
- Alarm buffer
STEP 7 Basic is required for configuring the full functional scope of the CM 1242-5.
6AG2242-5DX30-1XE0
Siemens SIPLUS S7-1200 CM 1242-5 T1 rail based on 6GK7242-5DX30-0XE0 with conformal coating, -25…+55 °C, OT1 with ST1/2 (+70 °C für 10 minutes), communications module CM 1242-5, for connecting S7-1200 to PROFIBUS as DP slave module
Visit 6AG2242-5DX30-1XE0
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