The 6ES7141-5AF00-0BA0 is an 8-channel digital input module in the SIMATIC ET 200AL family, occupying just 30 mm of width on the machine — the narrowest DI module in the series. It interfaces to the ET 200AL backplane bus and supports safety-rated tripping of standard outputs up to PL d / SIL 2.

How does the 8-channel 4×M12 variant differ from the 16-channel 8×M12 version?

The 6ES7141-5AF00-0BA0 provides 8 digital inputs via 4 M12 connectors in a 30 mm width, drawing 25 mA from 1L+ (1.9 W typical power loss) with 0.7 A total encoder supply. The 16-channel 6ES7141-5AH00-0BA0 doubles the input count and M12 ports at 45 mm width, drawing 30 mA (2.7 W) with 1.4 A encoder supply. Input characteristics are identical: IEC 61131 Type 3, 3.2 mA at signal "1", 1.2–4.8 ms delay, and 30 m maximum unshielded cable length.

When does the 30mm width matter?

At 30 mm per module, the 6ES7141-5AF00-0BA0 fits into space-constrained machine frames where every millimeter counts — robotic end-of-arm tooling, compact packaging machines, and narrow conveyor sections. Three of these modules occupy 90 mm, the width of just two 16-channel modules. All eight channels can be active simultaneously up to 55°C regardless of mounting orientation.

Frequently Asked Questions

Does this module support 2-wire sensors?

Yes. The 6ES7141-5AF00-0BA0 supports 2-wire proximity sensors (BEROs) with a maximum quiescent current of 1.5 mA per input.

Can I combine 8-channel and 16-channel modules on the same ET 200AL station?

Yes. All standard ET 200AL digital input modules share the same backplane bus and can be freely mixed on a single station behind one ET 200AL interface module. The 30mm and 45mm form factors align mechanically on the same mounting rail.