Honeywell HPM, Сервисная инструкция

Страница: 369 / 498

4 Fault Isolation
4.9 HPMM Alphanumeric Display
R688 HPM High-Performance Process Manager Service 369
December 2020 Honeywell
Detailed
Display
Non-Detailed
Display
Description
T 8E STRT Control processor builds memory reference table
T A5
STRT I/O Link RAM destructive pattern test
T B4
STRT Transition I/O Link processor to the Idle state.
T FE
STRT Transition to MTOS
OK39
OK39 Run state (UCN node 39)
HPMM Redundancy Display Sequences
Each redundant HPMM partner conforms to the Startup sequences as described earlier in this section. In
addition, upon receiving a Swap command, the primary HPMM temporarily displays the
SWAP text
while transitioning to a secondary status. However, there is no visible delay while the secondary HPMM
transitions to a primary status. An example of the this sequence is given in the table below.
SWAP sequence (Detailed Display mode)
An example of a display sequence during the HPMM swapping process with the Detailed Display mode
enabled is listed in the following figure for HPMM 1 and HPMM 2.
Table 75 Alphanumeric Display for HPMM Swapping Sequence (Detailed Display Mode)
HPMM 1 HPMM 2 Description
OK39
B 40 Run state (UCN node 39 = primary/UCN node 40 = Backup )
SWAP OK39
HPMM swap command received
T 17 OK39 Communications processor Local RAM destructive pattern
test
T 1B OK39
Communications processor Local RAM initialization
T 21
OK39 UCN TBC Private RAM destructive pattern test
T 25 OK39
UCN TBC Private RAM initialization
T 3E
OK39 Communications processor builds memory reference table.
T 59 OK39 Transition to the SW Alive state.
T 5E OK39 Monitor Control processor local state change
(i.e release Control processor from reset state).
T 70 OK39
Control processor Local RAM destructive pattern test.
T 76
OK39 Control processor Local RAM initialization.
T 8E OK39
Control processor builds memory reference table.
T A5 OK39 I/O Link RAM destructive pattern test.
T B4 OK39 Transition I/O Link processor to the Idle state.
T FE OK39 Transition to MTOS.
SYNC OK39 Secondary HPMM performing database synchronization.
B 40 OK39 HPMM swap complete.