422 and rs 485 application note

MAX13487E/MAX13488E Half-Duplex RS-485-/RS-422- …

MAX13487E/MAX13488E Half-Duplex RS-485-/RS-422-Compatible Transceiver with AutoDirection Control www.maximintegrated.com Maxim Integrated | 3 Electrical Characteristics (continued) (VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ...

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Pelco KBD300A Universal Keyboard manual

Communication to the keyboards is RS-485. Maximum cable distance for RS-485 communication over 24-gauge wire is 4,000 feet (1,219 m). Pelco recommends using shielded twisted pairs cable that meets or exceeds the basic requirements for EIA RS-485 applications. Remove the wall block cover and make cable connections at each wall block.

FloBoss S600+ Flow Computer Instruction Manual

for future reference. Note that these instructions may not cover all details or variations in equipment or cover every possible situation regarding installation, operation, or maintenance. Should problems arise that are not covered sufficiently in the text, immediately contact Customer Support for further information. Protecting Operating Processes

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PM130 PLUS Powermeter Series PM130P/PM130E/PM130EH

A standard RS-485 communication port and a second optional Ethernet, Profibus or RS-232/RS-422/RS-485 port. These ports allow local and remote automatic meter readings and setup through the supplemental communication or user data acquisition software. Different communication options for remote communications with the meter.