Siemens CPU 414-2 - Accumulator Transfer Instructions, Incrementing and Decrementing

Accumulator Transfer Instructions, Incrementing and Decrementing
79
S7-400 Instruction List
A5E00267845-01
Accumulator Transfer Instructions, Incrementing and Decrementing
The status word is not affected.
Instruc-
Address
Description
Length
in
Execution Time in s
Instruc-
tion
Address
ID
Description
Length
in
Words
CPU 412 CPU 414 CPU 416 CPU 417
CAW Reverse the order of the bytes in ACCU1-L. 1 0.1 0.06 0.04 0.03
CAD Reverse the order of the bytes in ACCU1. 1 0.1 0.06 0.04 0.03
TAK Swap the contents of ACCU1 and ACCU2 1 0.1 0.06 0.04 0.03
ENT The contents of ACCU2 and ACCU3 are
transferred to ACCU3 and ACCU4.
1 0.1 0.06 0.04 0.03
LEAVE The contents of ACCU3 and ACCU4 are
transferred to ACCU2 and ACCU3.
1 0.1 0.06 0.04 0.03
PUSH The contents of ACCU1, ACCU2 and ACCU3
are transferred to ACCU2, ACCU3 and
ACCU4
1 0.1 0.06 0.04 0.03
POP The contents of ACCU2, ACCU3 and ACCU4
are transferred to ACCU1, ACCU2 and
ACCU3
1 0.1 0.06 0.04 0.03