Siemens CPU 412-1 Instruction Manual page 46

Timer Instructions, continued
In- In-
Address Address
struc- struc-
ID
tion
FR T f Enable timer for restarting on
T [e] edge change from "0" to "1"
(reset edge bit memory for (reset edge bit memory for
Timer para.
starting timer)
R T f Reset timer
T [e]
Timer para.
Status word for: FR, R
Instruction evaluates:
Instruction affects:
+ Plus time required for loading the address of the instruction (see page 20)
1)
With direct instruction addressing Timer No.: 0 to 255
S7-400 Instruction List
A5E00267845-01
Length Length
in in
Description Description
Words
1)
1
2
1)
1
2
BR CC1
–
–
Execution Time in ms Execution Time in ms
CPU 412 CPU 414
/2 0.2 0.12
0.2+ 0.12+
0.2+ 01.2+
/2 0.2 0.12
0.2+ 0.12+
0.2+ 0.12+
CC0 OV OS
– – –
– – –
Timer Instructions
CPU 416
0.08
0.08+
0.08+
0.08
0.08+
0.08+
OR STA RLO
– – – Yes
– 0 –
CPU 417
0.06
0.06+
0.06+
0.06
0.06+
0.06+
/FC
–
– 0
44