6ES7193-4CD20-0AA0 is a Siemens SIMATIC ET 200SP series digital input module. This module has 16 digital input channels for reading external signal status.
6ES7193-4CD30-0AA0 is a Siemens SIMATIC ET 200SP I/O module, specifically the DI16/DO16 model. It is a digital input/digital output module suitable for Siemens industrial automation control systems.
6ES7193-4CD20-0AA0 is a Siemens SIMATIC ET 200SP series digital input module. This module has 16 digital input channels for reading external signal status.
6ES7193-4CD30-0AA0 is a Siemens SIMATIC ET 200SP I/O module, specifically the DI16/DO16 model. It is a digital input/digital output module suitable for Siemens industrial automation control systems.