Timer mode – KEYENCE DL-RB1A User Manual
Page 32
30
Ad
va
nc
ed
F
unc
tion
s
3
3-1
Data Processing and Operation Modes
TIMER mode
Even without the DRQ input from an external device, the sensor amplifier can periodically output
BCD data.
The DRQ input is ignored.
Time chart
(1) An external device inputs "ID No. 01" as the ID No. selection.
(2) The external device imports BCD output from ID No. 01 with an update cycle that starts no more
than 2 ms later.
(3) At the next BCD update cycle, if the ID No. has not changed, the BCD output for the same ID No.
is updated.
(4) An external device inputs "ID No. 02" as the ID No. selection.
(5) The external device imports BCD output from ID No. 02 with an update cycle that starts no more
than 2 ms later.
ID No. selection
input
(1) ID No. 01 selection
(4) ID No. 02 selection
BCD output
2 ms.
max.
(2), (3) ID No. 01 BCD data
(5) ID No. 02 BCD data
Strobe output
OFF
OFF
OFF
OFF
ON
ON
ON
ON
T/2
T
T
T
T/2
T/2
2 ms.
max.
2 ms min.
2 ms min.
T :BCD output update cycle (Set T with the advanced setting switches Nos. 4 to 6. For information on
advanced setting switches, refer to "(1) Advanced setting switches" (Page 7).)