RS232C to RS422/RS485 Convertor |  RS232 to RS485 Splitter   |  RS232 to RS485 Distributor(Bidirectional)   USB to Serial Convertor   USB to RS232 DistributorsUSB to RS485 ConvertorEthernet to RS232/RS422/RS485 Convertor
RS485 to RS4822 / RS485 Convertor RS232 to 0-20 mA Current Loop Convertor
Milestone's "RS232C to RS485/RS422 Converters" are designed for high speed data transmission between computer system and or peripherals over long distance under noisy conditions. It provides opto isolation (2500 V) against erroneous glitches, spike suppression and short circuit protection on each transmission line. They provide dual line differential per signal. Various models are available. All the models support upto a distance of 1.5 kms. All models have LED indication for Tx, Rx and PWR line.
Connecting Medical Equipments with PC
Connecting PLC Equipments with PC
Connecting Chemical Equipments with PC
Extending RS232 signals upto 1.2 Km
Connecting Time & Attendance recording machine to PC
Connecting EPABX to PC
Access Control System
Transfering data between Master / Slave Clock


 Table top type  a) Model LD-15U :
 This is a universal converter which  supports RS485 as well as RS422, 2  wire or 4 wire,  Auto or DSR (+ or -)  control. This converter supports  Tx,  Rx, DSR line. Switch setting is  provided for 2  wire / 4 wire  (differential) RS485 operation (i.e.  half  duplex or full duplex mode). Also  switch setting for  Auto, DSR +, DSR -  control provided (for output  enable  on RS485 side - optional). It supports  32 units  in multidrop environment.  This unit has a built in  optical isolator  and surge protection for individual  signal. (Normal unit works on 230V  AC-option  available for 10 to 40V DC  voltage.)
   b) Model LD-15 :
 This is a converter, which supports  only RS422 interface (full duplex) 4  wire on RS422  side and is with opto  isolation, surge protection for  individual signals.
 Plug in type  Model LD- 15 PL :
 This is a plug in RS232 to RS485  converter, very small, compact  without opto isolation  but with surge  protection. This unit is self powered  using DSR or CTS signals. External 5V  required if  DSR or CTS not provided.  For selecting 2 wire or 4  wire on  RS485 side 2 way selector switch is  provided on the unit.
 Din Rail
 Mounted type
 Model LD-15 PN :
 This is an industry standard Din rail  panel mounted RS232 to RS485 /  RS422 converter.  Provision for 2 wire  / 4 wire selection. The standard  unit  works on 230V AC (option 1OV  DC-  40V DC).
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