Kabnet's "RS 232C to RS485/RS422 Convertors" 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 supression 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.
The different models available are :
Table Top type
:
a)
Model LC-15U : This is universal convertor which supports RS485 as well as RS422, 2 wire or 4 wire, Auto or DSR (+or-) control. This convertor supports Tx. Rxl, 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). It supports 32 units in individual signal. (Normal unit works on 230V AC - option available for 10 to 40 V DC voltage)
b)
Model Ld-15 side and is with opto isolation, surge protection for individuals signals.
» Plugin Type : Model Ld-15 PL
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This is a plug in RS232 to RS485 convertor, very small, compact without opto isolation but with surge protection.
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This unit is self powered using DSR or CTS signals.
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External 5V required if DSR or CTS not provided.
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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 convertor. Provision for 2 wire / 4 wire selection. This standard unit work on 230V AC (option 10V DC - 40V DC)
