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1-2 Genius Modular Redundancy Flexible Triple Modular Redundant (TMR) System
User’s Manual – March 1995
GFK-0787B
Components of a GMR System
GMR Software
GMR software version 2.06 (catalog number IC641SWP714B) provided on diskette
consists of:
Easy-to-use GMR configuration software.
GMR system software, which automatically processes, monitors, and tests redundant I/O.
A download utility for updating programs in systems with SNP multidrop communications.
Series 90-70 PLCs
Two models of the Series 90-70 PLC CPU support GMR, CPU 788 and CPU 789. If the
GMR system includes either two or three PLC CPUs, they must be the same model.
Each PLC requires one to three Bus Controllers per bus. Minimum suffixes for GMR
version 2.06 are:
CPUs and Bus Controllers Catalog Number Minimum Suffix
Series 90-70 PLC CPU
IC697CPU788
IC697CPU789
DA
DA
Series 90-70 PLC CPU
IC697CPU788
IC697CPU789
DA
DA
Series 90-70 PLC CPU Memory IC697BEM735 D
Series 90-70 Bus Controller IC697BEM731 N
Genius I/O Blocks
The following standard Genius blocks are supported by the GMR system. These
blocks contain GMR modifications for version 2.06 beginning with the “minimum
suffix” listed:
Block Type Catalog Number Minimum Suffix
24/48 VDC 16-Circuit Source block IC660BBD020 M
24/48 VDC 16-Circuit Sink block IC660BBD021 M
12/24 VDC 32-Circuit Source block IC660BBD024 N
5/12/24 VDC 32-Circuit Sink block IC660BBD025 N
Analog, RTD, and Thermocouple blocks no specific suffix required
Other types of Genius blocks can be used as non-redundant blocks in the same
system.
Additional Items
“SPECIAL SAFETY SYSTEM” red I/O block labels (package of 20 of the same type)
are available: IC660SLA020, A021, A023, A024, A026, A100, A101, A103, A104, A106,
D020, D021, D024, D025. These numbers correspond to the numbers of the blocks.
For example, order label IC660SLA021 for block IC660BBA021.
Logicmaster 90-70 Software: release 4.02 or later.
Hand–held Monitor (optional): IC660HHM501H (version 4.5) or later.
SNP Programming Cable and RS 232/RS 485 adapter. (IC690ACC901)
Multidrop Cable (IC690CBL714) (Two required for connecting 3 CPUs.)
Incompatible Products
Graphics Display System (GDS): GMR is incompatible with Cimplicity 70 GDS.