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6ES7277-0AA22-0XA0 Siemens SIMATIC S7-200 EM277 PROFIBUS-DP Slave Communication Module
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6ES7277-0AA22-0XA0 Siemens SIMATIC S7-200 EM277 PROFIBUS-DP Slave Communication Module
| Place of Origin | Germany / EU / CN |
| Brand Name | Siemens |
| Certification | COO & COC |
| Model Number | 6SE6400-0EN00-0AA0 |
Product Details
Trade Terms:
EXW, DAP, FOB, CIF
Condition:
Brand New And Original
Shipping:
DHL (default) / FedEx / UPS / TNT / Air / Sea
Packing Size:
200 Mm × 150 Mm × 90 Mm
Shipping Weight:
0.35 Kg
Customer Courier A/C:
Yes – DHL/FedEx/UPS Account Accepted
Highlight:
Siemens S7-200 EM277 PROFIBUS-DP module
,SIMATIC S7-200 PROFIBUS-DP slave module
,Siemens EM277 communication module spare part
Payment & Shipping Terms
Minimum Order Quantity
1
Price
$37
Delivery Time
3-5 days
Payment Terms
T/T,Alipay,Paypal
Supply Ability
99+
Product Description
Product details pictures
Product Overview: Siemens 6ES7277-0AA22-0XA0
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Order Number | 6ES7277-0AA22-0XA0 |
| Product Name | EM277 – PROFIBUS-DP Module |
| Product Family | SIMATIC S7-200 (expansion/communication module) |
Application & Fault Scenarios
Typical Uses: The EM277 lets small S7-200-based machines join an existing PROFIBUS-DP backbone — typical in packaging and labelling cells, conveyor segments, dosing/mixing skids and retrofit projects where a central S7-300/400 or HMI collects all I/O data. It is also the standard like-for-like swap when a brownfield station loses DP communication after a module failure.
Common Field Issues:
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FAQ
Q1: What is 6ES7277-0AA22-0XA0?
A: It is the EM277 PROFIBUS-DP communication module for SIMATIC S7-200, enabling the CPU to operate as a DP slave on a PROFIBUS-DP network at 9.6 kbit/s to 12 Mbit/s via a SUB-D 9-pin RS-485 port.
A: It is the EM277 PROFIBUS-DP communication module for SIMATIC S7-200, enabling the CPU to operate as a DP slave on a PROFIBUS-DP network at 9.6 kbit/s to 12 Mbit/s via a SUB-D 9-pin RS-485 port.
Q2: Can it work as a DP master?
A: No. The EM277 is a slave-only module. The master must be an S7-300/400/1200/1500, a PC-based system or a third-party master using the EM277 GSD file.
A: No. The EM277 is a slave-only module. The master must be an S7-300/400/1200/1500, a PC-based system or a third-party master using the EM277 GSD file.
Q3: How is the station address set?
A: By the on-board DIP switches — there is no software address field. The switch setting must match the address defined in the master's hardware configuration, otherwise the station will not be reached.
A: By the on-board DIP switches — there is no software address field. The switch setting must match the address defined in the master's hardware configuration, otherwise the station will not be reached.
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