
5. FUNCTIONAL INSTRUCTIONS
B–61863E/15
PMC SEQUENCE PROGRAM
174
This is the on–delay timer.
A timer setting time is set at an arbitrary address. The selection of an
address determines whether the timer is a variable timer or fixed timer.
No limit is imposed on the number of timers provided areas can be
allocated.
Fig.5.6.2 and Table 5.6.2 show the expression format and the coding
format, respectively.
ACT
TMRC
(SUB54)
f
Timer
accuracy
ffff
Time set
time
address
ffff
Time
resister
address
TM
ff
Fig. 5.6.2 TMRC expression format
Table 5.6.2 TMRC coding format
Step
Number
Instruction
Address
Number
Bit
Number
Remarks
1 RD ffff. f
2 SUB 54 TMRC command
3 (PRM) f Timer accuracy
4 (PRM) fff Timer set time address
5 (PRM) ffff Timer register address
6 WRT ffff. f TMff
ACT=0 : Turns off the timer relay
(TMff).
ACT=1 : Starts the timer.
Timer precision Setting value Setting time Error
8 ms 0 1 to 262,136 1 to +8 ms
48 ms 1 1 to 1,572,816 1 to +48 ms
1 s (Note) 2 1 to 32,767 1 to +1 s
10 s (Note) 3 1 to 327,670 1 to +10 s
1 m (Note) 4 1 to 32,767 1 to +1 m
NOTE
This function is usable only with the following models:
FS16C/18C PMC–SB5/SB6
FS16i/18i PMC–SB5/SB6
FS21i PMC–SA5
FS15i PMC–NB6
5.6
TMRC (TIMER)
5.6.1
Function
5.6.2
Format
5.6.3
Control Condition
5.6.4
Timer Accuracy