Delta AH500 - Page 45

AH500 Hardware and Operation Manual
2-12
Number
Name
Description
MASTER LED
Indicates the system is in redundant mode
ON: Master CPU in redundant mode
OFF: Standby CPU in redundant mode / single mode
SYNC LED
Indicates the synchronization status of the redundancy system
ON (Green): in synchronization mode
Blinking (Orange): identification check
ON (Red): fiber disconnected
Blinking (Red): identification check failed
OFF: single mode
3 COM port Provides an interface for RS-232/RS-485 communication
4 Ethernet port
Provides an interface for a n Ethernet communication, supports
EtherNet/IP and MODBUS TCP protocols
5 DIP switch
Sets the executing items
SW1
OFF: no action (default)
ON: written protection
SW2
OFF: no action (default)
ON: when power-on, it copies programs, CPU
parameters, I/O configurations, device setting values
from SD card to CPU module
SW3
OFF: no action (default)
ON: works with clear button and it backups programs,
CPU parameters, I/O configurations, device setting
values from CPU module to SD card.
SW4
Works with SW3
OFF: system backups (device contents are included)
ON: system backups (device contents are excluded)
6 RST button
Resets CPU module to factory defaults
Note: after the CPU module is rest, the ERROR LED will be ON
and error code is 16#1402. You need to set the I/O
configurations again via HWCONFIG of ISPSoft to have the PLC
function normally.
7
USB port
Mini USB communication port
8 RUN/STOP
RUN: execute the programs
STOP: stop the programs
9 Fiber communication port For data synchronization
10 CLR button Clears data from the latched area
11
SD card slot
Provides an interface for an SD card
12
Set screw
Fixes the base
13
Label
Nameplate
14 Module connecting set Fixing a module