Categories
RS232 to RS485 / RS422 ConvertersYour header in Here
Information
Quick Serial Reference
| SPECIFICATIONS | RS232 | RS423 | RS422 | RS485 | |
|---|---|---|---|---|---|
| Mode of Operation | Single-ended | Single-ended | Differental | Differental | |
| Total Number of Drivers and Receivers on One Line | 1 Driver 1 Receiver |
1 Driver 10 Receivers |
1 Driver 10 Receivers |
32 Drivers 32 Receivers |
|
| Maximum Cable Length | 50 FT. | 4000 FT. | 4000 FT. | 4000 FT. | |
| Maximum Data Rate (40ft. - 4000ft. for RS422/RS485) | 20kb/s | 100kb/s | 10Mb/s-100Kb/s | 10Mb/s-100Kb/s | |
| Maximum Driver Output Voltage | +/-25V | +/-6V | -0.25V to +6V | -7V to +12V | |
| Driver Output Signal Level (Loaded Min.) | Loaded | +/-5V to +/-15V | +/-3.6V | +/-2.0V | +/-1.5V |
| Driver Output Signal Level (Unloaded Max) | Unloaded | +/-25V | +/-6V | +/-6V | +/-6V |
| Driver Load Impedance (Ohms) | 3k to 7k | >=450 | 100 | 54 | |
| Max. Driver Current in High Z State | Power On | N/A | N/A | N/A | +/-100uA |
| Max. Driver Current in High Z State | Power Off | +/-6mA @ +/-2v | +/-100uA | +/-100uA | +/-100uA |
| Slew Rate (Max.) | 30V/uS | Adjustable | N/A | N/A | |
| Receiver Input Voltage Range | +/-15V | +/-12V | -10V to +10V | -7V to +12V | |
| Receiver Input Sensitivity | +/-3V | +/-200mV | +/-200mV | +/-200mV | |
| Receiver Input Resistance (1 Standard Load for RS485) | 3k to 7k | 4k min. | 4k min. | >=12k | |
