Irq, I/O Address And Transmission Rate Setting - Advantech UNO-3072 User Manual

Table 2.1: Auto Flow & RS-422 Slave/Masters
SW2 DIP Switch Setting

2.3.6 IRQ, I/O Address and Transmission Rate Setting

The IRQ and I/O address range of COM3 and COM4 are listed below:
• COM3: 3E8 , IRQ10 (Independent IRQ), IRQ10 (Share IRQ)
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• COM4: 2E8 , IRQ5 (Independent IRQ), IRQ10 (Share IRQ)
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• Vector address for share IRQ: 1D0
Y ou can set "Share IRQ" or "Independent IRQ" by the first switch of SW3
(Refer to Table 2.2 below).
COM Port Mode Selections
COM3 RS-422: Slave mode
RS-485: Auto flow control
COM4 RS-422: Slave mode
RS-485: Auto flow control
COM3 RS-422: Master mode
RS-485: N/A
COM4 RS-422: Slave mode
RS-485: Auto flow control
COM3 RS-422: Slave mode
RS-485: Auto flow control
COM4 RS-422: Master mode
RS-485: N/A
COM3 RS-422: Master mode
RS-485: N/A
COM4 RS-422: Master mode
RS-485: N/A
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