TheSiemens 6ES7133-0BN01-0XB0 is part of the SIMATIC ET 200B distributed I/O family, designed for Profibus DP communication and integration into automation systems.
Key features include:Digital I/O configuration: 24 digital inputs (24 V DC) + 8 digital outputs (24 V DC, up to 0.5 A) in one module.Supply voltage: 24 V DC
nominal; permissible range ~ 18.5 V to 30.2 V.You mount this module at the I/O station (ET 200B rack), wire up 24 input channels (sensors, switches)
and 8 output channels (actuators, solenoids, etc) at 24 V DC, and the module communicates over PROFIBUS DP
with the controller. It offers a compact, industrial-grade solution
for mixed digital I/O within a single module.
Frequently Asked Questions About 6ES7133-0BN01-0XB0
Q1: What exactly does this module do?
A: It serves as a digital I/O module in the ET 200B distributed I/O system: capturing 24 digital inputs (24 V DC) and driving 8 digital outputs (24 V DC up to ~0.5
A each) while communicating via PROFIBUS DP with the control system.
Q2: Is the 24 V supply shared across inputs and outputs?
A: The module uses a supply of nominal 24 V DC. The inputs and outputs require this voltage (within the permissible range ~18.5 V to 30.2 V). The
datasheet indicates separate sensor (input) and driver (output) currents, so wiring should follow
the module’s terminal block guidelines.
Q3: What is the input response time (delay)?
A: For this version (-0BN01-0XB0) the maximum input delay from “0” to “1” (at rated value) is about 3 ms.
If you require faster response (for very fast digital signals) there may be other variants
with shorter delay (e.g., “0.2 ms” versions).
Q4: What is the output current capability?
A: The outputs are rated 24 V DC, and the specification lists permissible output current for the “1” signal (for one
group) as minimum 0.5 A. It is prudent to check the full output rating
depending on grouping and temperature.
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