Here’s a concise description of the Siemens 6ES7 138-4CA01-0AA0 module:

• Type: SIMATIC DP, PM-E power module for ET 200S.

• Voltage: Operates at 24 V DC with diagnostics.

• Protection: Includes reverse polarity protection; external short-circuit protection required.

• Current Capacity: Maximum current carrying capacity of 10 A up to 60°C.

• Power Loss: Typical power loss is 0.1 W.

• Diagnostics: LED indicators for load voltage (green) and group error (red).

• Dimensions: Compact design with width 15 mm, height 81 mm, and depth 52 mm.

• Weight: Approximately 35 g.

• Isolation: Tested with 500 V DC for potential separation.