Setting/Resetting Bit Addresses
40
S7-400 Instruction List
A5E00267845-01
Setting/Resetting Bit Addresses, continued
The RLO is written to the address of the instruction. The instructions can be dependent on the MCR (see page 97).
Instru
Address
Length
Execution Time in
s
Instru
Ction
Address
Description
Length
in
Execution Time in
s
Instru
Ction
Address
ID
Description
Length
in
Words
CPU 412
CPU 414
CPU 416
CPU 417
=
I/Q a.b
M a.b
L a.b
DBX a.b
DIX a.b
c [d]
c [AR1,m]
c [AR2,m]
[AR1,m]
[AR2,m]
Parameter
Assign RLO
To input/output
To bit memory
To local data bit
To data bit
To instance data bit
Memory-indirect, area-internal ***
Register-indirect, area-internal (AR1) ***
Register-indirect, area-internal (AR2) ***
Area-crossing (AR1) ***
Area-crossing (AR2) ***
Via parameter ***
1*/2
1**/2
2
2
2
2
2
2
2
2
2
0.2
0.2
0.2
0.3
0.3
0.2+/0.3+
0.2+/0.3+
0.2+/0.3+
0.2+/0.3+
0.2+/0.3+
0.2+/0.3+
0.12
0.12
0.12
0.18
0.18
0.12+/0.18+
0.12+/0.18+
0.12+/0.18+
0.12+/0.18+
0.12+/0.18+
0.12+/0.18+
0.08
0.08
0.08
0.12
0.12
0.08+/0.12+
0.08+/0.12+
0.08+/0.12+
0.08+/0.12+
0.08+/0.12+
0.08+/0.12+
0.06
0.06
0.06
0.12
0.12
0.06+/0.12+
0.06+/0.12+
0.06+/0.12+
0.06+/0.12+
0.06+/0.12+
0.06+/0.12+
Status word for:
=
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
–
–
–
–
–
–
Yes
–
Instruction affects:
–
–
–
–
–
0
Yes
–
0
+
Plus time required for loading the address of the instruction (see page 20)
*)
With direct instruction addressing; Address area 0 to 127
**
)
With direct instruction addressing; Address area 0 to 255
***)I, Q, M, L / DB, DI