| Models |
VXC-144U |
VXC-144iU |
VEX-144 |
VEX-144i |
| Communication Port |
| COM1 ~ COM4 |
RS-422/485 |
The RS-422 and RS-485 cannot be used simultaneously |
| RS-422 |
TxD+, TxD-, RxD+, RxD-, RTS+, RTS-, CTS+, CTS-, GND |
| RS-485 |
2-Wire |
Data+, Data-, GND |
| Bias Resistor |
Yes, 1 KΩ |
| Node |
256 (max.) |
| UART |
16C950 compatible |
| Baud Rate |
50 - 115200 bps |
| Data bit |
5, 6, 7, 8 |
| Stop bit |
1, 1.5, 2 |
| Parity |
None, Even, Odd, Mark, Space |
| FIFO |
Internal 128 bytes |
| Isolated |
- |
2500 VDC |
- |
2500 VDC |
| ESD Protection |
- |
+/-4 kV |
- |
+/-4 kV |
| General |
| Bus Type |
Universal PCI, 3.3 V and 5 V, 33 MHz,
32-bit, Plug and Play mechanism |
PCI Express x1, Plug and Play |
| COM-Selector |
Yes (8-bit DIP switch) |
| Connector |
Female DB-37 |
| Power Consumption |
120 mA @ 5 V |
880 mA @ 5 V |
120 mA @ 5 V |
880 mA @ 5 V |
| Operating Temperature |
0 °C ~ +60 °C |
| Storage Temperature |
-20 °C ~ +70 °C |
| Humidity |
0 ~ 90% RH, non-condensing |
| Dimensions (L x W x D) |
142 mm x 84 mm x 22 mm |
142 mm x 95 mm x 22 mm |
114 mm x 101 mm x 22 mm |
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