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Product Name: Serial Interface Module
Brand Name: Siemens
Model Number: 6ES7138-4DF11-0AB0
Place of Origin: Germany
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
Sales |
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Jim Pei |
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Minimum Order Quantity |
1 Piece |
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Price |
Contact for Jim |
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Packaging Details |
Original new Factory Sealed |
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Delivery Time |
3–7 Days |
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Payment Terms |
T/T |
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Shipping Method |
DHL / FedEx / UPS / TNT |
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Supply Ability |
In stock |
| Product Name | Siemens 6ES7138-4DF11-0AB0 Serial Interface Module |
| Manufacturer | Siemens |
| Product Type | Serial Interface Module |
| Part Number | 6ES7138-4DF11-0AB0 |
| Weight | 0.04kg |
| Estimated shipping dimensions | 1.4x5.5x8.3cm |
| Place of shipment | Xiamen, China |
| Country of origin | Germany |
| Rated value (DC) | 24 V |
| Power loss, typ. | 1.2 W |
| from supply voltage L+, max. | 80 mA; Typ. 20 mA |
| from backplane bus | 3.3 V DC, max. 10 mA |
| Bits per character | 8 |
| Ambient temperature during operation | min. 0 °C; max. 60 °C |
| Number of interfaces | 1 |
| Point-to-point connection | Transmission rate, max. 115.2 kbit/s; |
The Siemens 6ES7138-4DF11-0AB0 is a compact serial interface module designed for integration into Siemens distributed automation and control systems. It provides a single point-to-point serial communication channel, enabling reliable data exchange between PLC systems and external serial devices such as sensors, drives, or third-party controllers. With a rated supply voltage of 24 V DC and low power loss, it is optimized for stable operation in industrial environments where space and energy efficiency are critical.
The Siemens 6ES7138-4DF11-0AB0 is engineered for seamless communication performance with a maximum transmission rate of up to 115.2 kbit/s. Its lightweight and compact design (only 0.04 kg) makes it suitable for high-density control cabinets. Supporting industrial operating temperatures from 0 °C to 60 °C, it ensures dependable operation under typical factory conditions while maintaining compatibility within Siemens automation architecture.
The primary function of the Siemens 6ES7138-4DF11-0AB0 is to provide a serial communication interface within an automation system. It allows a PLC or distributed I/O station to connect with external serial devices such as sensors, controllers, or third-party equipment.
Key functional roles:
Compared with generic or third-party serial interface modules, the Siemens 6ES7138-4DF11-0AB0 offers several advantages:
1. Seamless Siemens System Integration
Unlike generic modules, this module is fully integrated into Siemens automation platforms, reducing configuration complexity and improving system compatibility.
2. Higher Reliability in Industrial Environments
Built to Siemens industrial standards, it provides stronger resistance to electrical noise, temperature variation, and operational stress compared to low-cost alternatives.
3. Compact and Lightweight Design
At only 0.04 kg, it is significantly more compact than many universal serial modules, making it ideal for dense control cabinets.
4. Lower Power Consumption
With typical power loss of only 1.2 W, it improves overall system energy efficiency compared to many third-party modules.
5. Stable Communication Performance
Supports up to 115.2 kbit/s with consistent signal stability, while some generic modules may suffer from instability at higher baud rates.
6. Reduced Engineering Effort
Native compatibility with Siemens engineering tools reduces setup time versus multi-brand communication modules requiring manual protocol configuration.
Q1: What is the main purpose of Siemens 6ES7138-4DF11-0AB0?
A: The Siemens 6ES7138-4DF11-0AB0 is used to enable point-to-point serial communication between a Siemens PLC system and external serial devices such as sensors or controllers.
Q2: What communication speed does 6ES7138-4DF11-0AB0 support?
A: The Siemens 6ES7138-4DF11-0AB0 supports a maximum transmission rate of up to 115.2 kbit/s for serial communication.
Q3: Can 6ES7138-4DF11-0AB0 be used in harsh industrial environments?
A: Yes, the Siemens 6ES7138-4DF11-0AB0 is designed for industrial environments with an operating temperature range from 0 °C to 60 °C and robust electrical performance.
Q4: How much power does 6ES7138-4DF11-0AB0 consume?
A: The Siemens 6ES7138-4DF11-0AB0 has a typical power loss of about 1.2 W, making it energy efficient for continuous industrial use.
Q5: How many communication interfaces does 6ES7138-4DF11-0AB0 provide?
A: The Siemens 6ES7138-4DF11-0AB0 provides one serial communication interface for point-to-point data exchange.
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