Brand:Siemens Item No.:6AG1277-1AA10-4AA0 Product Origin:Germany Product Dimensions:75 x 100 x 45 mm Product Weight:0.2 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Siemens 6AG1277-1AA10-4AA0 is a SIPLUS NET CSM 1277 Compact Switch Module developed for Industrial Ethernet communication in SIMATIC S7-1200 automation systems. Based on the standard 6GK7277-1AA10-0AA0, this SIPLUS version features conformal coating and is designed for applications requiring additional environmental protection.
With four RJ45 ports and support for 10/100 Mbps Ethernet, the module provides a convenient way to connect a PLC with programming devices, operator panels, and other industrial network components. Its unmanaged operation reduces configuration work, while integrated LED indicators help technicians monitor network status.
The 6AG1277-1AA10-4AA0 is particularly suitable for compact machine control systems, local automation networks, and control cabinet installations where additional Ethernet connections are required without introducing a complex network switch.
Technical Specifications
Parameter
Specification
Brand
Siemens
Model
6AG1277-1AA10-4AA0
Product Series
SIPLUS NET CSM 1277
Product Type
Compact Industrial Ethernet Switch Module
Based On
6GK7277-1AA10-0AA0
Switch Type
Unmanaged
Ethernet Ports
4 × RJ45
Transmission Rate
10/100 Mbps
Supported Network Topologies
Line, Tree, Star
Power Supply
24 V DC
Maximum Current Consumption
0.07 A
Operating Temperature
0 to +60 °C
Protection Rating
IP20
Special Feature
Conformal Coating
Mounting
SIMATIC S7-1200 Mounting Rail
Dimensions
75 × 100 × 45 mm
Weight
0.2 kg / 0.44 lb
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Applications
The Siemens 6AG1277-1AA10-4AA0 SIPLUS NET CSM 1277 is a compact, unmanaged Industrial Ethernet switch module designed to expand network connectivity for SIMATIC S7-1200 automation systems. It connects an S7-1200 controller and up to three additional Ethernet devices, making it suitable for compact industrial networks.
Industrial Communication: Connects programming devices, operator panels, and other Ethernet-based automation equipment.
Machine Automation: Supports communication between controllers and peripheral devices.
Local Network Construction: Provides a practical solution for small industrial Ethernet networks.
Control Cabinet Integration: Supports space-saving installation on the S7-1200 mounting rail.
Advantages
1. Four-Port Ethernet Connectivity
The CSM 1277 provides four RJ45 Ethernet ports, allowing one S7-1200 controller and up to three additional network devices to communicate through the same switch.
2. 10/100 Mbps Data Transmission
It supports Ethernet transmission rates of 10 Mbps and 100 Mbps, accommodating common industrial communication requirements.
3. Unmanaged Switch Operation
The module operates without complex network configuration, making installation and commissioning straightforward.
4. SIPLUS Conformal Coating
Its conformal coating provides additional protection for electronic components against environmental influences and supports use in demanding industrial conditions.
5. Flexible Network Topologies
The switch supports line, tree, and star network arrangements, offering flexibility when designing small automation networks.
6. Integrated LED Diagnostics
Status LEDs provide a convenient way to check power and communication conditions during installation and troubleshooting.
7. Automatic Crossover Function
The integrated autocrossover function allows the use of standard Ethernet cables without requiring special crossover cables.
Technical FAQs
Q1: What is the primary function of the Siemens 6AG1277-1AA10-4AA0?
It expands the Industrial Ethernet connectivity of a SIMATIC S7-1200 controller, allowing additional Ethernet devices to connect to the same local network.
Q2: How many Ethernet ports does the CSM 1277 provide?
The module has four RJ45 ports. One port can connect to the S7-1200 controller, leaving up to three ports for additional network devices.
Q3: What Ethernet transmission speeds are supported?
It supports 10 Mbps and 100 Mbps Ethernet communication.
Q4: Is the 6AG1277-1AA10-4AA0 a managed or unmanaged switch?
It is an unmanaged switch. It does not require individual port configuration or managed-switch software.
Q5: Which PLC systems is this switch designed to work with?
It is designed primarily for SIMATIC S7-1200 systems and can connect the controller to additional Industrial Ethernet devices.
Q6: What power supply does the module require?
The CSM 1277 uses an external 24 V DC power supply. The supply wiring and protection should follow the manufacturer's installation instructions.
Q7: Which network topologies can the CSM 1277 support?
It can be used in line, tree, and star network arrangements, depending on the system layout and connection requirements.
Q8: What is the operating temperature range of this SIPLUS version?
The 6AG1277-1AA10-4AA0 is specified for an ambient operating temperature range of 0 to +60 °C in the horizontal mounting position.
Q9: How can communication problems be diagnosed?
Check the 24 V DC supply, RJ45 cable connections, Ethernet port LEDs, and connected device network settings. If communication remains unavailable, test the cables and connected devices individually.
Q10: Can the 6AG1277-1AA10-4AA0 replace the standard 6GK7277-1AA10-0AA0?
The SIPLUS version is based on the standard 6GK7277-1AA10-0AA0 CSM 1277. However, the two order numbers have different environmental specifications. Confirm the required operating conditions and installation requirements before selecting a replacement.
