User`s manual

6-24
(6) Relay mode link search instruction
The software can link ladder monitor display by directly searching a coil which is turning ON the error
message specified by the cursor, when an error message or the like is displayed with relay mode. For
example, on a message of "Limit switch error," you can display the ladder circuit of the coil at which an
error occurred by one touch switch operation.
- SET
-
LDR: COIL
-
FIND
Display setting of macro block No. 13 (Linking to relay mode: Execute call with CALL 13)
Description: Memory value selected by the cursor on the screen is entered into $u0401. The LCD
control terminal searches the coil of the memory number selected by the cursor and
displays. (Line 5 to 7)
To enable entry of relay mode link coil memory, register the following format to the switch ON
macro
Description: When no message is displayed, the LCD control terminal does not start the ladder
monitor.
Jump to 12th line (2nd line)
When there is a message displayed, the LCD control terminal turns ON the overlap
screen. (4th to 6th lines)
Set the relay mode top memory 10000 to $u0400. (9th line)
When the LCD control terminal changes relay mode memory, change the 9th $u0400 to
the changed relay number.
Ex.: When the relay mode memory is changed to 12000,
Set the 9th line to $u00400 = 12000 (W).
The LCD control terminal starts relay mode linked search with CALL13.
Relay mode information
Links with output memory.
If no message is displayed,
the screen does not display
the ladder monitor.
Links with relay mode
memory.
$u0802
Check which memory is
shown by the cursor count-
ing from the top of the relay
mode memory.