Category : basic
RS232,422 and 485 are standards of serial communication.
It is not a standards of communication method, but electronical signal.
Therefore they use the same protocol.
-Here is a quick reference for RS232, RS422, RS485
Division |
RS232 |
RS422 |
RS485 |
Mode of Operation |
Single-Ended |
Differential |
Differential |
The Number of Drivers/Receivers on one line |
1 Driver, 1 Receiver |
1 Driver, 10 Receivers |
32 Drivers, 32 Receivers |
The Maximum Cable Length |
50 ft |
4000 ft |
4000 ft |
Maximum Data Rate |
20 kbps |
10 Mbps |
10 Mbps |
Full/Half Duplex |
Full Duplex |
Full Duplex |
Half Duplex |
Maximum Driver Output Signal Level |
±25V |
-0.25V to +6V |
-7V to +12V |
Receiver Input Voltage Range |
±15V |
±10V |
-7V to +12V |
See also
Related Products
[ Ethernet-Module ] CSE-M53, CSE-M32, EZL-50L, EZL-50M, EZL-410
[ Ethernet-Module with RJ45 ] CSE-M73, EZL-70
[ Ethernet-Board ] EZL-60L, EZL-60M, CSE-B63
[ Ethernet-External ] CSE-H55, CSE-H53, CSE-H25, CSE-H20, CSE-H21, EZL-200L, EZL-200F, EZL-400S
[ Wireless-External ] EZL-300S, CSW-H80
[ Wireless-Module ] CSW-M83
[ PPP ] EZP-250, EZU-100, CSP-H50, EZP-EVB, EZU-EVB
[ I/O ] CIE-H10, CIE-M10