KEYENCE KV-D20 - Manual (Page 52)

3. Examples of Ladder Programs
3
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Ladder program
1. At the rising edge of input 0000, specify "#40000 (input relay 0000)" in the user
message DM (DM1950). Turn on (SET) special utility relay 2515 to display the
user message.
2. At the rising edge of input 0001, specify "#20010 (timer T010)" in the user
message DM (DM1950). Turn on (SET) special utility relay 2515 to display the
user message.
3. At the rising edge of input 0002, specify "#30100 (DM0100)" in the user mes-
sage DM (DM1950). Turn on (SET) special utility relay 2515 to display the user
message.
At the same time, turn on (SET) special utility relay 2511 to produce a beep
sound for three seconds.
Comment
Relay
Timer
Data memory
0000
T010
DM0100
Device No. Comment 1
~ T A R G E T F I G U R E
R E A C H E D
~ C A U T I ON ! ! O U T O F M A T E R I A L
~ 5 MO R E P R O D U C T S G O TO P R OD U C T B
0000 1000
DIFU
1000
0001 1001
DIFU
1001
0002 1002
DIFU
1002
2511 T000
T000
#00030
2515
SET
2515
SET
2515
SET
2511
RES
2511
SET
#30100
DW
#20010
DW
#40000
DM1950
DM1950
DM1950
DW
0001
1
2
3
4
0002
0003
0004
0005
0006
0007
0008
0009
0010
END
ENDH
Beep
sounds.
To display user messages
Display a user message (contact comment for input 0000).
Display a user message (contact comment for timer 010).
Display a user message (contact comment for DM0100)
and produce a beep sound.
Beep
sounds.
Message
No. User
message
display
Message
No. User
message
display
Beep
sounds. Message
No.
User
message
display
kv_d20_manual.p65 08.3.10, 6:09 PM 52