Rockwell Automation 1785-BCM_BEM, D17856.5.4 PLC-5 Backup Communication Module User Manual User Manual
Page 159
Index
I-4
S
sample programs
transferring data multiple
blocks at a time, A-13
transferring data one block at a
time, A-1
secondary processor remote
programming, 5-12
secondary program, 5-15
sequencing instructions, 7-11
Series A 1785-BCM compatibility,
C-1
setting 1785-BCM module switch
assemblies, 3-6
smart switch interface, 6-7
specifications, 9-1
starting up the PLC-5 backup
system, 5-17
status indicators
BPLN, SER, FLT, 8-2
description of, 2-1, 8-1
diagnosing faults, 8-1
diagnosing faults with, 8-2
PRI and SEC, 8-2
switch assemblies
definition for 1785-BCM
module, 2-6
definition for 1785-BEM
module, 4-6
settings for 1785-BCM module,
3-6
settings for 1785-BEM module,
4-10
switching the processor’s
operating mode, 5-19
switchover
description of, 6-1
overview, 1-6
switchover considerations
data integrity, 6-10
data table considerations, 6-9
DH+ switching, 6-4
divergence, 6-3
forcing I/O, 6-4
remote I/O switching, 6-6
timing requirements, 6-1
switchover diagnostics, 6-11
system status word, 5-6
diagnosing faults with bits of,
8-4
T
terminating the DH+ and RIO
links, 3-4
terms and conventions, ii
timer instructions, 7-9
timing requirements
data table transfer time, 6-2
input signal speed, 6-1
input signal update time, 6-2
time-out on remote I/O link, 6-2
transferring data multiple blocks at
a time
description of, 7-6
program flow, 7-8
sample program, A-13
transferring data one block at a
time
data table transfer times, A-13,
B-5
description of, 7-3
program flow, 7-5
sample program, A-1
transferring data table values
getting started program, 7-1
multiple blocks at a time, 7-6
one block at a time, 7-3
W
wiring arm