Spectrum Controls 1794 User Manual page 14

Flex™ IO Isolated Universal Input Module
2-4
Daisy-chaining
24 VDC
Individual
24 VDC
24 VDC
24 VDC
User's Manual Pub. 0300231-03 Rev. A
Do not daisy chain power or ground from the terminal base unit to any
!
ac or dc digital module terminal base unit.
Attention
Power
Note: All modules must be frequency or IF8IU modules for this
configuration.
Wiring when total current draw is less than 10A
Power
Note: Use this configuration if using any "noisy" dc digital I/O modules in
your system.
IF8IU module wiring separate from digital wiring
Wiring when total current draw is greater than 10A
IF8u
Module
Digital Input
Module
IF8u Frequency Input
Module Module
IF8u Digital Input
Module Module