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1-8 Field Control™ Genius® Bus Interface Unit User’s Manual
–
October 1999 GFK-0825F
1
A More Complex Field Control and Genius System
A more complex communications and control system is illustrated below. In this system, the Field
Control stations and Genius blocks on the lower left are controlled by a Series 90-70 PLC. The
Field Control stations and Genius blocks on the lower right are controlled by a host computer
equipped with a PCIM (Personal Computer Interface Module).
The PLC communicates with a computer running programming software via an SNP (Serial
Network Protocol) link. And the PLC, host computer, and programmer computer exchange system
data via an Ethernet communications link.
Series 90-70 PLC
Genius Bus
Ethernet
SNP
Genius Bus
PCIM
For more information about Genius systems and communications, please refer to:
The
Genius I/O System and Communications User's Manual
, which describes Genius system
operation, and communications formats.
The
Bus Controller User's Manual
for the system host, which includes specific system interface
instructions.