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Electronics Tutorial for Beginners
ABC of Electronics Offering free comprehensive basic
electronics tutorial. In this Electronics Tutorial we
have explained the basic electronic concepts. Here you
can find 8051 Tutorials & 555 Timer Tutorials which are
commonly used in electronics.
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RS485, RS232, RS423, RS422 Specifications
|
SPECIFICATIONS
|
RS232 |
RS423 |
RS422 |
RS485 |
|
Operation Type |
SINGLE
-ENDED |
SINGLE
-ENDED |
DIFFERENTIAL |
DIFFERENTIAL |
| Total
No.of Drivers and Receivers on One Line
|
OneDRIVER
1 RECVR |
OneDRIVER
10 RECVR |
1
DRIVER
10 RECVR |
32
DRIVER
32 RECVR |
|
Maximum Length |
50
FT. |
4000 FT. |
4000 FT. |
4000 FT. |
|
Maximum Data Rate (40ft. - 4000ft. for
RS422/RS485) |
20kbs |
100kbs |
10Mb/s-100Kbs |
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 |
|
Receiver Input Voltage Range |
+/-15V |
+/-12V |
-10V to +10V |
-7V
to +12V |
|
Receiver Input Sensitivity |
+/-3V |
+/-200mV |
+/-200mV |
+/-200mV |
|
|
|
|
|
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