Vision Systems VScom 200E PCIex Bedienungsanleitung Seite 16

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3 Hardware Configuration
The operation mode is configured via the small DIP switches SW1 and SW2 according to ta-
ble 7 above. The RS 485 modes require the driver configured for Automatic DTR as “RS 485 Low
Active”, as seen in 4.2.3
Also resistors for Termination and BIAS option are built-in, configured by other switches S3 and
S4 as of table 8 above.
3.3 VScom 200I UPCI
Connector COM-A is the rst serial port, COM-B is the second port. The operation mode is
configured via the DIP switches S1 and S2 according to table 9. The serial ports of this card have
a special hardware function named ART to control the RS 485 transmitter. There is no need to
configure anything in the driver.
Operation Mode DIP Configuration
RS 232
RS 422
RS 485 4-wire
RS 485 2-wire with Echo
RS 485 2-wire no Echo
Table 9: Modes on 200I UPCI
Also resistors for Termination and BIAS option are built-in, configured by a block of jumpers J2
and J3 as of table 10. A jumper must be closed (both pins connected by a cap) to activate the
mentioned function.
Pins Function Remark
1–2 Termination Tx+ Tx 120
3–4 BIAS Tx+ 750to VCC, use with 5–6
5–6 BIAS Tx 750to GND, use with 3–4
7–8 Termination Rx+ Rx 120
9–10 BIAS Rx+ 750to VCC, use with 11–12
11–12 BIAS Rx 750to GND, use with 9–10
13–14 Termination CTS+ CTS 120
Table 10: Termination and BIAS on 200I UPCI
Pins are numbered left
to right and top down
July 2011 VScom Industrial Card User Manual 16
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