LED Indicator Lights
The three indicator lights on the face of the Memory Cartridge perform the following
functions:
LED Indicator
BATT (red)
CPU > MC
(green)
CPU < MC
(green)
Password Protected Programs
Password protected programs cannot be transferred from the CPU on-board memory to the
Memory Cartridge. Also, password protected programs cannot be transferred from the Memory
Cartridge to the CPU on-board memory. Programs can only be transferred in either direction
when a password is not used.
PLC Mode
RUN
Program
Condition
On
Flashes for several seconds
(150 msec on; 150 msec off)
Does not flash
Flashes continually with
CPU < MC LED steady on
Flashes for several seconds
(150 msec on; 150 msec off)
Does not flash
Flashes continually with
CPU > MC LED steady on
Password
DL05
D0-01MC
No
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
DL05 Micro PLC User Manual, 6th Edition, Rev. A
Chapter 10: Memory Cartridge
Meaning
Replace battery
Successful completion of transfer
No memory transfer: change to STOP mode
Error: press either button to clear
Successful completion of transfer
No memory transfer; change to STOP mode
Error: press either button to clear
CPU > MC
Disable
Disable
(No LED ON)
(No LED ON)
Disable
Disable
(No LED ON)
(No LED ON)
Disable
Disable
(No LED ON)
(No LED ON)
Disable
Disable
(No LED ON)
(No LED ON)
Enable
Enable
(> LED blinks)
(< LED blinks)
Disable
Disable
(< LED keeps blinking)
(< LED keeps blinking)
Disable
Disable
(> LED keeps blinking)
(> LED keeps blinking)
Disable
Disable
(> & < LED keeps blinking)
(> & < LED keeps blinking)
CPU < MC
10–9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
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