Vision Systems VScom 200E PCIex Instrukcja Użytkownika Pobierz pdf (Strona 12)

2 Introduction

2.2.5 VScom 400I UPCI

The VScom 400I UPCI card features four serial ports, available via a classic PCI slot. All four

serial ports share one common connector DB37-female, an adapter cable is included. For signal

assignment see 16.

Figure 5: VScom 400I UPCI

The maximum speed is 921.6 kbit/s. This can be reduced to 115,200 bit/s for compatibility issues,

using jumper JP1.

Bus interface Universal PCI PCI 3.3V and 5V signals, 33 MHz

Serial Ports 4 RS 232, RS 422 plus 6 modes of RS 485

Connectors 1×DB37 female Adapter to 4×DB9 male included

Termination Built-In Conﬁgured for RS 422 and RS 485

BIAS Built-In Conﬁgured for RS 485 modes

Signals RS 232 RxD, TxD, RTS, CTS, DTR, DSR, DCD, RI, GND

RS 422 Rx±, Tx±, RTS±, CTS±, GND

RS 485 Full Duplex Rx±, Tx±, GND

RS 485 Half Duplex Data±, GND

Max. Bitrates 921,600 bit/s

RS 232 requires short cables with low capacity

RS 422, RS 485 921,600 bit/s

Table 5: Features of VScom 400I UPCI

The operation mode is conﬁgured via the small DIP switches according to table 12. Also resistors

for Termination and BIAS option are built-in, conﬁgured by a block of jumpers as of table 10.

There is a jumper for compatibility mode, this is used to conﬁgure the maximum bitrate of the

serial ports.

July 2011 VScom Industrial Card User Manual 12

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Vision Systems VScom 200E PCIex Instrukcja Użytkownika Strona 12