Integrator's note on the ET 200C module
The Siemens 6ES7143-0BL10-0XB0 is a distributed digital I/O module for SIMATIC S5 and S7 systems, built into an IP65 enclosure with heavy-gauge screwed glands. It provides 16 inputs at 24V DC and 16 outputs at 24V DC rated 2A per channel, suitable for direct field wiring in harsh environments without an additional enclosure.