5 digits 4 digits 4 digits 4 digits digital control meter instruction manual, introduces the meter's key functions, parameter setting, alarm settings and other functions.
An RS 485 Repeater is a device that amplifies data signals on LAN cables and connects bus segments. It is used in situations where there are more than 32 stations connected to the bus, electrically isolated bus segments are required, or the maximum cable length of a segment exceeds the standard LAN cable length.
This document provides information about the RS 485 repeater in the S7-300 module data manual, including its purpose, functions, grounding operations, technical data, and block diagram. It also includes information about the diagnostic repeater related to the RS 485 repeater.