
Publication 2098-IN003E-EN-P — April 2004
Connecting Your Ultra3000
3-27
Refer to figures 3.22, 3.23, and 3.24 for examples of fiber-optic ring
connections between the Ultra3000-SE drive(s) and the ControlLogix
SERCOS interface module.
Figure 3.22
Fiber-Optic Ring Connection (Example 2)
Figure 3.23
Fiber-Optic Ring Connection (Example 3)
Note: You can mount the two 1756-M
xx
SE SERCOS interface modules in two separate ControlLogix chassis (as
shown above) or you can mount them in the same chassis.
SERCOS interface
TM
Tx (rear)
Rx (front)
OK
CP
Ultra3000-SE
1756-M
xx
SE SERCOS
interface Module
ControlLogix
Chassis
Receive
Transmit
SERCOS fiber-optic ring
Ultra3000-SE
Receive
Transmit
Receive
Transmit
SERCOS interface
TM
Tx (rear)
Rx (front)
OK
CP
SERCOS interface
TM
Tx (rear)
Rx (front)
OK
CP
Ultra3000-SE
1756-M
xx
SE SERCOS interface Modules
ControlLogix
Chassis
Receive
Receive
Transmit
Transmit
SERCOS fiber-optic ring
Receive
Transmit
SERCOS fiber-optic ring
Receive
Transmit
Receive
Transmit
Ultra3000-SE
Ultra3000-SE