Contec COM-1PD(USB)H - 1 Before Using the Product; About the Product; Features

1. Before Using the Product
COM-1PD(USB)H
1
1. Before Using the Product
This chapter provides information you should know before using the product.
About the Product
This product is an isolated micro converter for converting the USB port of PC into RS-422A/485 serial
communications. Each converter has one channel RS-422A/485 communication port. Higher
noise-resistant models with isolation between a PC and bus line as well as a surge protection circuit for
communication ports. This product supports a baud rate of up to 921,600bps and has separate
128-byte / 384-byte buffer memory for transmit and receive. It also comes with a Windows driver,
which allows boards to be used as OS-standard COM ports.
This product supports CONTEC-defined driver library “API-PAC(W32)” that provide local routines.
Features
- Max. 921,600bps RS-422A/485 Serial Communication
This product has one channel RS-422A/485-standard serial ports. Baud rates from 300 to 921,600bps
can be set by software. When data is transferred at the high speed, it may not be transferred normally,
depending on the use environment such as the external device and cable length used.
- Compatible to USB1.1/USB2.0 and not necessary to power this product externally as the bus power
is used.
Compatible to USB1.1/USB2.0 and capable to achieve high speed transfer at Full Speed (12Mbps).
Not necessary to power this product externally as the bus power of USB is used.
- Possibly used as Windows-standard COM ports, using the bundled driver library
Comes with a driver software that allows the products to be used under Windows in the same way as
COM ports on the PC. Under Windows, the product supports the OS-standard Win32 API
communication function as well as Visual Basic MSComm. In addition, supplies a diagnostic program
to confirm hardware operation and to perform a communication test with equipment.
- Electric isolation is provided between channels and between PCs.
Electric isolation is provided between channels and between PCs.
This prevents electric noise between PCs and external circuits.
- Max. 127 converter can be installed as configured in the range COM1 - COM256.
Using a USB hub allows you to install up to 127 converters to a single PC.
COM1 - COM256 can be set using the device manager.