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en:lib:mdl:mdl-h-cers485-010 [2014/10/21 09:05] – modifica esterna 127.0.0.1en:lib:mdl:mdl-h-cers485-010 [2019/08/29 17:01] (current) – external edit 127.0.0.1
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 +^:info:^To activate the internal termination resistance see paragraph [[#Setup of USER PORT electric standard]],  [[#Setup of AUX1 PORT electric standard]] or [[#Setup of AUX2 PORT polarization and termination resistances]]^
 +.
 +^Communication speed|4800 baud (only if used with SERCOM and/or MODBUS device),\\ 9600   baud, 19200 baud, 38400 baud, 57600 baud|
 +^Communication mode|Half duplex|
 +^Operating mode|Differential|
 +^Max. number of devices connected on the line|32|
 +^Max. cable length|1200 m|
 +^Input impedence|__>__ 12 Kohm|
 +^Short-circuit current limit|35 mA|
  
 +{{schemi:sch_rs485.png?400|Internal wiring diagram of RS485}}
 +
 +{{cavi:cavo_RS485.jpg?400|Cable connection diagram of RS485}}