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TEXT DISPLAY LCA 042
11
-
THE FIRST MESSAGE
MESSAGE- or TEXTNUMBER FUNCTION POWER
18 5 17 4 16 3 15 2 14 1 7 20 8 10 25
BCD 001/BIN 001
DIRECT/SEQUENTIAL
BCD 002/BIN 002
BCD 004/BIN 004
BCD 008/BIN 008
BCD 010/BIN 016
0V, GND
BCD 020/BIN 032
BCD 040/BIN 064
BCD 080/BIN 128
BCD 100/BIN 256
BCD 200
+24 V=
CLOCK
PAGE FORWARDS
Programmable Controller
Prog. Cont. outputs
0 DIRECT MESSAGE
1 FIRST MESSAGE
1) log 0 =
OV, open input
log 1 =
+24 V
=
CLOCK
4.3.3 FIRST MESSAGE
With this message variant the LCA 042 can register a
maximum of 19 messages in the message memory.
All messages are stored one after the other and the first
message is continuously displayed. The other messages
can be invoked and displayed as often as desired with
function input CLOCK.
When function input DIRECT/SEQUENTIAL becomes “lo-
gical 1”, the registration of the messages begins. With a
“logic 0” on the input the registration ends and the
internal messa-ge memory is erased. The LCA 042 then
displays the text of message number 000.
The message memory always registers the last 19
messages. Message 000 is not stored. CLOCK must not last
longer than 2s, otherwise cyclic display will take place.
DIRECT/SEQUENTIAL
( 7 )
=
1
1)
TEXT/VARIABLE
( 20 ) =
0
CLOCK
( 8 )
=
The function input DIRECT/
SEQUENTIAL can be driven by
the programmable controller
or hard-wired. CLOCK (DATA-
CLOCK) can be triggered by a
key or by the programmable
controller.