Omron CQM1H - PROGRAM Programming Manual page 451

Advanced I/O Instructions
Note
Using the Instruction
Number of digits displayed
4 digits (4 digits, 1 block)
8 digits (4 digits, 2 blocks)
Function
(4 digits, 1
block)
Data output 00 to 03
Latch output 0
Latch output 1
Latch output 2
Latch output 3
One Round Flag
426
The outputs can be connected from a Transistor Output Unit with 8 or more
output points for four digits or 16 or more output points for eight digits.
1. Output Unit outputs normally employ negative logic. (Only the PNP output
type employs positive logic.)
2. The 7-segment display may require either positive or negative logic, de-
pending on the model.
7SEG(88)
If the first word holding the data to be displayed is specified at S, and the out-
put word is specified at O, and the SV taken from the table below is specified
at C, then operation will proceed as shown below when the program is exe-
cuted.
Data Storage Format
If only four digits are displayed, then only word S will be used.
Set Values for Selecting Logic and Number of Digits (C)
Display Unit data input and
Output Unit logic
Same
Different
Same
Different
Note Do not set C to values other than 000 to 007.
Bit(s) in O
(4 digits, 2
blocks)
00 to 03
10
04 to 07
04 08
05 09
06 10
07 11
08 12
1 2 3
12 cycles required to complete one round
S: First source word
O: Output word
S
C: Control data
O
C
Leftmost 4 digits
S+1
Display Unit latch input and
Output Unit logic
Same
Different
Same
Different
Same
Different
Same
Different
Output status (Data and latch logic depends on C)
0 1 2 3
10 10 10
4 5 6 7 8 9 10 11 12 1
Section 5-31
Rightmost 4 digits
S
C setting data
000
001
002
003
004
005
006
007
Note 0 to 3: Data output for word S
4 to 7: Data output for word S+1