Delta AH02HC-5A, Hardware Manual

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Chapter 3 Product Specifications
3-6
Number Name Description
SYSTEM LED
indicator
System status of the CPU module
ON: The external input/output is forced ON/OFF.
OFF: The system is in a default status.
Blink: The CPU module is being reset./The value in the device is
being cleared.
2
COM LED
indicator
COM1 LED
indicator
COM2 LED
indicator
Communication status of the communication port
OFF: There is no communication through the communication
port.
Blink: There is communication through the communication port.
3 COM2 Providing the RS-232/RS-485/RS-422 communication interface
4 COM1/COM Providing the RS-232/RS-485/RS-422 communication interface
5 Ethernet port Providing the Ethernet communication interface
6 USB port Providing the mini USB communication interface
7 SD slot Providing the SD interface
Function which the system executes
SW1
OFF: No action (default)
ON: Write protection
SW2
OFF: No action (default)
ON: The system is copied when the CPU module is
supplied with powered. (The user program, the CPU
paramter, the module table, and the setting values in
the devices are copied from the memory card to the
CPU module.)
SW3
OFF: No action (default)
ON: It is used with the CLR button to backup the system.
(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.)
8 DIP switch
SW4
It is used with SW3.
OFF: When the system is backupped, the values in the
devices are backupped.
ON: When the system is backupped, the values in the
devices are not backupped.
9 RST button
Resetting the CPU module, and restoring it to the default factory
value
10 CLR button Clearing the value in the latched device
11
RUN/STOP
switch
RUN: The user program is executed.
STOP: The execution of the user program stops.
12 Label Nameplate
13 Set screw Fixing the module
14 Connector Connecting the module and a backplane.
15 Projection Fixing the module