Siemens 6ES7153-2BA70-0XB0 PROFIBUS DP Interface Module

Product Overview

This PROFIBUS DP interface module connects ET 200M I/O stations to the main control network. It supports a maximum transmission rate of 12 Mbps for efficient data exchange. The module features an integrated 9-pin D-sub connector for direct PROFIBUS cabling. It measures 40 mm in width, 125 mm in height, and 120 mm in depth for cabinet mounting. The unit weighs approximately 200 grams for simple DIN rail installation. You can operate this module with up to 12 I/O modules in a single station configuration.

The interface module provides electrical isolation between the PROFIBUS segment and the station’s internal logic. It also supports redundant operation when you pair it with a second interface module. The device includes built-in termination resistors that you can activate via a physical switch. This module works seamlessly with all ET 200M digital, analog, and intelligent I/O modules. It also accommodates fail-safe modules for safety-critical automation tasks.

Technical Specifications

Parameter	Specification
Product Type	PROFIBUS DP Interface Module
Model	6ES7153-2BA70-0XB0
Communication Protocol	PROFIBUS DP (RS-485)
Transmission Rate	9.6 kbps to 12 Mbps (auto-detection)
Bus Connector	9-pin D-sub female
Max I/O Modules per Station	12
Max Stations per Segment	32 (without repeater)
Electrical Isolation	Yes (500 V DC)
Supply Voltage	24 V DC
Current Consumption	Typ. 120 mA
Power Loss	Typ. 2.9 W
Dimensions (W x H x D)	40 mm x 125 mm x 120 mm
Weight	Approx. 200 g
Mounting Type	DIN rail (EN 60715)
Operating Temperature	0 °C to 60 °C
Storage Temperature	-40 °C to 70 °C
Protection Class	IP20

Key Features and Benefits

The module automatically detects the baud rate during the startup phase. Its LED indicators provide clear diagnostics for power, bus activity, and group faults. You can enable the integrated termination resistor for the last station in a segment. This feature eliminates the need for external bus terminators in most applications. The module also supports time-stamping functions for event-driven monitoring systems.

Installation and Compatibility

You can mount this interface module directly onto a standard 35 mm DIN rail. It connects to the ET 200M backplane bus via the integrated system interface. The module works with all ET 200M I/O modules from the S7-300 range. You can also use it with HART analog modules for process automation applications. The device supports firmware updates through the PROFIBUS network without physical access.

Typical Applications

Process industries use this module to connect remote I/O racks to a central PLC. Manufacturing plants rely on it for distributed control in large-scale production lines. The module also performs well in water treatment and material handling systems.