ARCHITECTURAL DIAGRAMS
SNAP PAC S-Series User’s Guide
6
Segmented Wired Networks
The following diagram shows Opto 22 I/O units connected together over an Ethernet network and controlled
by a SNAP PAC S-series controller running a PAC Control strategy. The controller is also connected to a larger,
separate enterprise Ethernet network to provide data to two PCs running PAC Display HMI software and
OptoOPCServer. Sitting between the two networks, the SNAP PAC S-series controller segments enterprise
traffic from the control network.
For this system, PAC Display must be configured to access the I/O through the controller rather than directly
from the I/O units, since they are on a separate network.
PC running
OptoOPCServer and
OptoDataLink
PC running PAC Display
Professional
Ethernet switch,
network #1
Ethernet switch,
network #2
Enterprise Network
Control Network
SNAP PAC S-series controller communicates with host
computers through one network interface and controls I/O
with other devices through the other interface.
I/O units are controlled by the controller
on an isolated segment.
Sensors and actuators,
location #1
Sensors and actuators,
location #2
Содержание SNAP PAC S Series
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