User manual

High−level Instructions
3 − 573
3
If the values in the elapsed value area (D +1, D) reach (S + 1, S), relays being used are turned on by
the OT instruction which comes next in the program. The special internal relay R900D also goes on at
this point.
R0
R900D
R5
F183 DSTM, K500, DT5
F0 MV, DT50, WR50
DT5
K500
3
Addition completed
R0
Elapsed value
(D+1, D)
Set value
(S+1, S)
on
off
R5
(R900D)
on
off
Precautions When Using R900D
If R900D is used and multiple auxiliary timers are being used, always use R900D in the line following the
auxiliary timer instruction.
X0
R900D Y0
F183 DSTM, WR1, DT5
X1
R900D Y1
F183 DSTM, WR10, DT10
Pair
Pair
When timer
a
, which is activated by X0: on, expires, Y0 goes on. When timer
b
, which is activated by X1: on,
expires, Y1 goes on.
If written as indicated below, R900D will not function correctly.
X1
F183 DSTM, DT20, DT10
X0
R900D Y0
F183 DSTM, DT0, DT5
R900D Y1