Siemens ST950 Plus+ - Page 47

ST950 Plus+ User Manual
ST950 Plus+ User Manual
Page 47 of 176
667/HE/53000/000
Issue 2
Unrestricted
Inputs 0-11
Common
Return for
Inputs
Outputs 0-3
Outputs 4-7
Outputs 12-15
Outputs 8-11
Common
Return for
Inputs
Inputs 12-23
Figure 23 – I/O Card (Showing 16-output variant)
GSPI comms input
from Processor Card
or Previous IO card
GSPI comms
output to next
IO card
Address
switch
Status LEDs
Figure 24 – I/O Card Address Switch and LEDs