Converter type | Serial ports | Device features | I/O | ||
---|---|---|---|---|---|
Programmable converter | RS-232 | RS-485 | Programmable | Isolated input | |
ATC-840 |   |   |   |   |   |
ATC-850 |   |
|
|
  |
|
I-7561 |   |
|
|
  |
|
I-7561U |
|
|
|
|
  |