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Overview
- Unmanaged switch for connecting a SIPLUS S7-1200 controller to an Industrial Ethernet network with a line, tree or star topology
- Multiplication of Ethernet interfaces on a SIPLUS S7-1200 controller for additional connection of up to three programming devices, operator controls, and further Ethernet nodes
- Simple, space-saving mounting on the SIPLUS S7-1200 mounting rail
- Low-cost solution for implementing small, local Ethernet networks
- Problem-free connection using RJ45 plugs
- Simple and fast status display via LEDs on the device
- Integral autocrossover function permits use of uncrossed connecting cables
Note:
SIPLUS extreme products are based on SIMATIC standard products. The contents listed here were taken from the respective standard products. SIPLUS extreme-specific information was added.
Benefits
- Savings on installation costs and space compared to using an external network component
- Fast commissioning, as no configuration is necessary
- Flexible expansion of the network by simply inserting the CSM
Application
The CSM 1277 is an Industrial Ethernet switch of compact design for use in the SIMATIC S7-1200. The CSM 1277 can be used to multiply the Ethernet interface of the SIMATIC S7-1200 for simultaneous communication with operator panels, programming devices, other controllers, or the office world.
The CSM 1277 and the SIMATIC S7-1200 controller can be used to implement simple automation networks at low cost.
Design
The CSM 1277 compact switch module offers all advantages of the SIMATIC S7-1200 design:
- Compact design;
the rugged plastic enclosure contains:- 4 x RJ45 ports for connecting to Industrial Ethernet
- 3-pole plug-in terminal strip for connection of the external 24 V DC supply on the top
- LEDs for diagnostics and for status display of the Industrial Ethernet ports
- Simple mounting on the mounting rail of the S7-1200
- Fanless and consequently low-maintenance design
- The module can be replaced without using a programming device
Function
- Multiplication of Ethernet interfaces of the SIMATIC S7-1200
- Design of a small, local Industrial Ethernet network with three further nodes
- Automatic detection of data transfer rate by means of autosensing and autocrossover functions
- LEDs for diagnostics and for status display
Network topology and network configuration
Various network topologies can be implemented using the CSM 1277 compact switch module:
- Connection of SIMATIC S7-1200 in linear topology:
at least one RJ45 connection of the SIMATIC S7-1200 remains vacant, e.g. for connecting a programming device (PG) - Connection of SIMATIC S7-1200 to a higher-level network in a tree/star topology:
at least two RJ45 connections of the SIMATIC S7-1200 remain vacant, e.g. for connecting a programming device/operator panel (PG/OP) - Design of a small, local network with a SIMATIC S7-1200 and three further Ethernet nodes
Configuration
The CSM 1277 compact switch module is an unmanaged switch and need not be configured.
Diagnostics
The following information is displayed on LEDs on the device:
- Power
- Port status
- Data traffic
6AG1277-1AA10-2AA0
Siemens SIPLUS NET CSM 1277 -40…+70 °C with conformal coating based on 6GK7277-1AA10-0AA0 Compact Switch Module CSM 1277 connection SIMATIC S7-1200 and up to 3 further nodes to Industrial Ethernet with 10/100 Mbit/s
Visit 6AG1277-1AA10-2AA0
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