SIMATIC S7-1500, digital input module DI 16x24 V DC (6ES7521-1BH00-0AB0)

SIMATIC S7-1500, digital input module DI 16x24 V DC HF, 16 channels in groups of 16; of which 2 inputs as counters can be used; input delay 0.05..20 ms; input type 3 (IEC 61131); diagnostics; hardware interrupts: front connector (screw terminals or push-in) to be ordered separately

The module has the following properties:

Technical properties

16 digital inputs, electrically isolated in groups of 16

Rated input voltage 24 V DC

Channel-based configurable input delay: 0.05 ms to 20 ms

Channel-based configurable diagnostics

Channel-based configurable hardware interrupt

Suitable for switches and 2-/3-/4-wire proximity switches

Supported functions

Firmware update

Identification data I&M0 to I&M3

Reconfiguration in RUN (channel-based)

Isochronous mode