[RC232] For RC1140-RC232 Is the total current consumption is: 24mA+35mA = 59mA ? It is 24 mA in RX and 35 mA in TX , not the sum of the two. Last Update: August 8, 2017 January 25, 2017 2220 RC232 Q&A Related Knowledge Base Posts -[RC232] It is possible to set either4-Byte or 1-Byte addresses in non-volatile memory?[RC232] We are in the process of evaluating the RC1240, The only thing I’m not sure about at the moment is how to implement a busy check before transmitting[RC232] When I connect RXEN and TXEN to VDD, instead of leaving open, the current consumption increases to 20, mA. When I send a character to the module over RS232, the current appears to be 134mA.