These module comes with either two channels each of digital inputs and outputs or analog inputs and outputs.: :This version can be configured for 23 different types of alarms stored in 40 registers.::Product dimensions are as follows: width 3.78 in (96 mm), depth 2.16 in (54 mm), height 3.78 in (96 mm) and product weight 10.58 oz (300 g). It is having RS485 communication port over Modbus RTU protocol.::The meter can be upgraded with optional add on IO modules for WAGES monitoring.::These module comes with either two channels each of digital inputs and outputs or analog inputs and outputs.: :This version can be configured for 23 different types of alarms stored in 40 registers.::Product dimensions are as follows: width 3.78 in (96 mm), depth 2.16 in (54 mm), height 3.78 in (96 mm) and product weight 10.58 oz (300 g).width 3.78 in (96 mm), depth 2.