B&R Industries Automation PC 620, Руководство пользователя

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Technical data • Individual components
Chapter 2
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147 Automation PC 620 User's Manual V 1.90
Pin assignments
I/O address and IRQ
The setting for the IRQ can be changed in the BIOS setup (under "Advanced" - submenu
"Baseboard/Panel Features" - submenu "Legacy Devices", setting "CAN"). Please note any
potential conflicts with other resources when changing this setting.
Bus length and cable type
The type of cable used depends largely on the required bus length and the number of nodes.
The bus length is mainly determined by the bit rate. In accordance with CiA (CAN in Automation)
the maximum bus length is 1000 meters.
Add-On CAN
Type Electrically isolated
9-pin DSUB plug
Transfer rate Max. 500 kBit/s
Bus length Max. 1000 Meter
Pin Assignment
1 n.c.
2 CAN low
3 GND
4 n.c.
5 n.c.
6 Reserved
7 CAN high
8 n.c.
9 n.c.
Table 72: Pin assignments - CAN
Resource Default setting Additional setting options
I/O address 384 / 385 -
IRQ IRQ10 NMI
1)
1) NMI = Non Maskable Interrupt.
Table 73: Add-on CAN - I/O address and IRQ