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ON-LINE CONFIGURATION
OPERATION
I-E96-213A
A - 3
problem report option is available in the modify mode menu of
the CAD/TEXT software.
NOTE: The LED displays show the CPU operating state. Errors may
occur during on-line configuration that are not exactly described by
the LED displays listed in this section. The LED displays indicating
these errors are written in the MFC Product Instruction manual.
Figures
illustrate the backup and primary cycles.
For clarity, the term
backup MFC
will always refer to the origi-
nal backup MFC and the term
primary MFC
will always refer
to the original primary MFC. When the roles are reversed for
either unit, their status will be carefully noted.
Legend
Primary
Backup
Module Address
n
n+1
Second Module
Status Byte**
Bit*
7 6 5 4 3 2 1 0
0 1 x x 0 x 0 x
Bit
7 6 5 4 3 2 1 0
1 0 x x 1 x 0 x
LEDs 7 and 8
ON
z
z
OFF
{
{
Blinking
5
5
* bit 7 = First time in Execute (Most Significant Bit (MSB))
bit 6 = Backup MFC status bad.
bit 3 = On-line configuration changes being made.
bit 1 = NVM default configuration.
** x = Don’t care.
Figure A-1. LED Legend