Series 30i/ 31i/ 32i-MODEL A
Supplemental PMC Programming Manual
01 04.06.30
T. Matsukawa
New registration
B-63983EN/02-1
EDIT
DATE
DESIG.
DESCRIPTION
15/56
DRAW.NO.
5.1.1 TMRBF (Fixed Off-delay Timer: SUB 77)
This is the off-delay timer function whose timer preset value is fixed.
The timer preset value is written into the sequence program memory.
Therefore, you have to modify sequence program if you want to change
the timer value.
Format
Fig 5.1.1(a) shows the ladder format and Table 5.1.1 shows the
mnemonic format.
SUB 77
TMRBF
2
2000
ACT W1
Fig 5.1.1(a) Format of TMRBF instruction
Table 5.1.1 Mnemonic of TMRBF instruction
Mnemonic format Memory status of control
condition
Step
number
nstructio
Address
No.
Bit No. Remarks ST3 ST2 ST1 ST0
1 RD
○○○○ .○
ACT ACT
2 SUB 77 TMRBF instruction
3 (PRM)
○○○
Timer number
4 (PRM)
○○○○
Setting time
5 WRT
○○○○ .○
Timer relay output W1
ACT
W1
T
T indicates the timer value.
Fig. 5.1.1(b) Timer operation
Control condition
ACT=0: Starts the timer.
ACT=1: Reset the timer and turn on W1.