Delta AH500 Hardware Operation Manual page 44

Number Name
9 RST button
10 CLR button
11 RUN/STOP switch
12 Label
13 Set screw
14 Connector
15 Projection
2.2.4.2 AH500 Redundant CPU Modules
C P U5 6 0 - EN 2
R UN
5 ER R.
B FLT
SYS.
RST C L R COM
6 10
M ST.
SY NC
7
U SB
11
STO P RU N
8
D-
D+
SG
RX
TX
9
SY NC
Number Name
1
Model name
Run/Stop LED
Error LED
2
Bus Fault LED
SYSTEM LED
COM LED
C h a p t e r 2 S p e c i f i c a t i o n s a n d S y s t e m C o n f i g u r a t i o n
(The user program, the CPU paramter, the module
table, and the setting values in the devices are
backupped from the memory card to the CPU module.)
It is used with SW3.
OFF: When the system is backupped, the values in the
SW4 devices are backupped.
ON: When the system is backupped, the values in the devices
are not backupped.
Resetting the CPU module, and restoring it to the default factory
value
Clearing the value in the latched device
RUN: The user program is executed.
STOP: The execution of the user program stops.
Nameplate
Fixing the module
Connecting the module and a backplane.
Fixing the module
1
RUN
ERROR
BUS FA U L T
S Y STEM 2
C OM
M AS TER
SYNC
D-
3
D+
SG
RX
TX
4
SY NC
Shows the model name of the CPU module.
Operating status of the CPU
ON: the module is running
OFF: the module stops
Blinking: the program is checking if there is any error
Indicates CPU error
ON: a serious error occurs in the module.
OFF: the module is normal.
Blinking: a minor error occurs in the module.
Indicates I/O Bus error
ON: a serious error occurs in the I/O Bus.
OFF: the I/O Bus is normal.
Blinking: a minor error occurs in the I/O Bus.
Indicates the system status of the CPU
ON: external I/O is locked
OFF: system in default
Blinking: reset/clear
Indicates the communication status of the COM port.
OFF: no communication over the COM port
Blinking: communication over the COM port
Description
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Description
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