Chapter 3 Operation
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3.4.3 7-Segment Display SEL Program
The 7-segment LED in the panel window on the normally displays the information from the
system, but it is able to change the display of the 7-segment LED by the SEL program created.
(SEL program and system are displayed in turn.)
For control of 7-segment LED, port No. 332, 333 and 337 to 346 are used.
Port No. Function
332 Indication of digits to show on 7-seg display
333 Indication of digits to show on 7-seg display
334
335
336
Cannot be used
337 7-segment display refresh
338 7-segment SEL/system alternate
339 7-segment display specification
340 DT0 (7-segment user display bit)
341 DT1 (7-segment user display bit)
342 DT2 (7-segment user display bit)
343 DT3 (7-segment user display bit)
344 DT4 (7-segment user display bit)
345 DT5 (7-segment user display bit)
346 DT6 (7-segment user display bit)
347 Cannot be used
1) In port No. 332 and 333, indicate the digit number for the segment to be operated.
On/Off of port and indicated digit number 0 : OFF 1 : ON
No.332 0 1 0 1
No.333 0 0 1 1
Digit to be operated 1 2 3 4
Caution: In the parameter setting at the delivery, the port numbers are as shown above.
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