Does the EC312 support analog signal input or additional I/O?

Does the EC312 support analog signal input or additional I/O?

The EC312 supports hardware expansion via optional modules to handle analog and digital signals:
      NAAD Module: Provides two 4-20mA analog inputs, plus 4 digital inputs (DI) and 4 digital outputs (DO).
      N44D Module: Provides 2 additional RS-485 ports along with 4 DI and 4 DO.