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89
GFK-0827
A
Acronyms, list of, 12
Active and backup sweeps, 59
Active unit, 2 , 4 , 7 , 8 , 9 , 16 , 19 , 20 ,
21 , 25 , 57 , 58 , 59 , 60 , 61 , 65 , 68
, 71 , 72 , 77 , 78 , 80
Appendix A, redundancy alternatives, 85
ASCII identifier for control strategy, 58
B
Background user checksum, 69
Background window, 69
Background window time, 68
Backup and active sweeps, 59
Backup data size, 9
Backup unit, 2 , 7 , 8 , 9 , 19 , 20 , 21 ,
25 , 55 , 57 , 59 , 60 , 61 , 65 , 67 , 68
, 71 , 72 , 77 , 80 , 81
Basic redundancy system setup, 28
Battery connectors, CPU, 17
Battery, backup, 18
Blocks, genius, 83
BRM, 23
BTM, 22
Bumpless switching, 8
configurable backup data size, 9
effect on scan time, 8
switch to backup unit time, 8
synchronized cpus, 8
Bus controller, genius I/O, 4 , 5 , 24
Bus receiver module
cable description, 23
connectors, 24
LED status indicators, 24
Bus termination, 80
Bus transmitter module, 22
cable connections, 23
connectors, 23
faults, 82
LED status indicators, 22
Bus, I/O termination of, 24
C
Cable, programmer connection, 23
Cable, programmer connection, connect-
ing and disconnecting, 9
Cable, terminated, 4 , 5 , 6 , 24 , 28
Calculations, background user checksum,
background window time, 69
Checksum, program memory, 18
COM1, 18
COM2, 18
Commonly used acronyms, 12
Communications link failure, 82
Communications module, redundancy, 7
Communications, terminating, 76
Components, system, 13
Configurable backup data size, 9
Configuration
background window time, 68
expansion memory board, 39
fault actions, 67
genius bus controller, 42
paired gbc parameter, 42
serial bus address, 43
I/O system, 28
Logicmaster 90, 28
parameters for cpu redundancy, 27
parameters, list of for redundancy, 10
primary redundant cpu, 44
bus transmitter module, 51
configure remote communications
module, 47
genius bus controller module, 48
genius I/O blocks, 50
select expansion memory board, 46
select redundancy cpu module, 45
redundancy cpu module, 31 , 40
constant sweep mode, 35
constant windows sweep mode, 35
fail wait time, 36
normal sweep mode, 34
redund type, 34
shared I/O reference and length, 36
requirements, 10
secondary redundant cpu, 52
change redund type, 53
with Logicmaster 90-70, 30
Configurations, incompatible, 56
Configuring a hot standby cpu redundan-
cy system, 27