User Manual
FLEX Ex I/O 24V DC 4 Non-Isolated Source Output Module 11
Publication
1797-5.6 - June 2011
Ground the Module
All I/O wiring must use shielded wire. Shields must be terminated external to
the module, such as bus bars and shield-terminating feed throughs.
Indicators
30820-M
Shield terminating
feed-through
Bus bar
Ex
1797-OB4D
PWR
PWR
A B C
40067
A = Status indicators
B = Insertable labels for writing individual input designations
C = Power indicator (green indicates power applied to the module)