The 6ES7138-4FA05-0AB0 is a SIMATIC DP electronic module for ET 200S, designed for fail-safe digital input (F-DI) with PROFIsafe. It supports 4/8 digital inputs at 24V DC and is certified up to PL E (ISO 13849) / SIL3 (IEC 61508). The module is 30 mm wide and can be used in PROFINET networks with IM151-3 HF.

Supply Voltage: 24V DC (rated), 20.4V to 28.8V (permissible range)

Power Loss: 4W (typical)

Digital Inputs: 8 single-channel or 4 two-channel inputs

Input Voltage: 24V DC (rated), -30V to +5V (signal "0"), +15V to +30V (signal "1")

Input Current: 3.7 mA (typical for signal "1")

Input Delay: 0.3 ms (min), 17 ms (max)