2
SYSTEM CONFIGURATION
2.4 System Configuration Cautions
2 - 21
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
TRACKING CABLE
4
PROCEDURE FOR
STARTING UP A
REDUNDANT SYSTEM
5
REDUNDANT SYSTEM
FUNCTIONS
6
REDUNDANT SYSTEM
NETWORKS
7
PROGRAMMING
CAUTIONS
8
TROUBLESHOOTING
(4) System A/System B configuration
Set up system A and system B so that they will be configured the same.
If they are configured differently, a stop error will occur, and they will not start up as a
system.
(In some cases, they may start up as a system, even when configured differently.
Refer to Section 5.1.4 for details.)
(5) Number of Slots Occupied by a Redundant CPU
A redundant CPU occupies two slots.
Main base unit slot 0 is set as follows, type: redundant, points: 0 points.
The I/O number for slot 1, in which modules are mounted, is X/Y0
H.
Diagram 2.13 Number of Slots Occupied by Redundant CPU and I/O Numbers of Main Base Units
Module installation range
00H to 1FH
20H to 3FH
40H to 5FH
60H to 7FH
Module installation range
Tracking cable
Q35B Q35B
System A
CPU
...... Slot number
...... I/O Number
10 2 3 4 CPU 10234
System B
(Slot 0 is 0 points redundancy)
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