ARCHITECTURAL DIAGRAMS
SNAP PAC S-Series User’s Guide
6
Basic Control System
In this basic system, the SNAP-PAC-S1 controls several SNAP PAC I/O units, some on a wired Ethernet
network and some on a serial network. PAC Project Basic is all you need.
PC used to develop the
PAC Control strategy.
After development, the
strategy is downloaded
to the controller and
runs independently.
PC running
PAC Display HMI
(operator interface)
SNAP-PAC-S1 controller
running the PAC Control
strategy and controlling all
I/O units, both Ethernet
and serial
SNAP PAC EB brains
providing
distributed control
on an Ethernet
network
SNAP PAC SB brains
providing distributed
control on a serial network
