Rockwell Automation 1769-ASCII Compact I/O ASCII Module - Manual (Page 60)

60 Rockwell Automation Publication 1769-UM012B-EN-P - January 2014
Chapter 2 Configure the 1769-ASCII Module
8. Configure channel parameters under the channel tab.
Each channel can be configured for 4…200 characters. For Simultaneous
Mode, the sum of Channel 1 and Channel 2 for Receive and Transmit
characters cannot exceed 200 bytes.
9. Module's RPI can be configured through Connection tab.
RPI can be configured in multiples of 0.5.