Siemens SIMATIC PANEL PC 877 - Manual (Page 217)

Detailed descriptions
17.2 Bus board
SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
17-25
17.2.2 Assignment of the PCI IRQ channels to the PCI slots
Assignment of the PCI IRQ channels to the PCI slots
Box PC 840 V2 PCI modules interrupt assignment (PCI IRQ) in:
Module interrupt (Pin
No.)
Slot 1 Slot 2 Slot 3 Slot 4
INT – A (A6) channel 1 channel 2 channel 3 channel 4
INT – B (B7) channel 2 channel 3 channel 4 channel 1
INT – C (A7) channel 3 channel 4 channel 1 channel 2
INT – D (B8) channel 4 channel 1 channel 2 channel 3
Highlighted entries refer to master interrupts of the slot module