Rockwell Automation 1794-FLA FlexLogix Controller Installation Instructions - Manual (Page 20)

20 FlexLogix Controller System
Publication 1794-IN002G-EN-P - January 2004
3. Connect the appropriate cable to the serial port on the controller.
Be sure that power is removed or the area is nonhazardous before
proceeding.
4. If necessary, attach the controller to the isolator.
WARNING
If you connect or disconnect the serial cable with power
applied to this module or the serial device on the other end of
the cable, an electrical arc can occur. This could cause an
explosion in hazardous location installations.
modem
1761-NET-AIC
isolator
user-supplied modem cable
1761 cable
system enclosure