Siemens CPU 948 User Manual

Binary logic operations
Operation Operand Function
A=
AN =
O=
ON =
AND operation, scan a formal operand for signal state ’1’
AND operation, scan a formal operand for signal state ’0’
OR operation, scan a formal operand for signal state ’1’
OR operation, scan a formal operand for signal state ’0’
Insert formal operand
Inputs, outputs, data and flags addressed in binary (parameter
types: I, Q; data type BI) and timers and counters (parameter
type: T, C) are permitted as actual operands.
Digital logic operations
Operation Operand Function
AW
OW
XOW
AND operation on the contents of ACCU-1-L and ACCU-2-L
OR operation on the contents of ACCU-1-L and ACCU-2-L
Exklusive OR operation on the contents of ACCU-1-L and
ACCU-2-L
ACCUs 2, 3 and 4 are not affected, however, the condition codes
CC 1 and CC 0 are affected (see word condition codes).
Table 3-11 Binary logic operations with formal operands
Table 3-12 Digital logic operations
Supplementary Operations
CPU 948 Programming Guide
3 - 50 C79000-G8576-C848-04

Siemens CPU 948 Specifications

General

Brand	Siemens
Model	CPU 948
Category	Controller
Language	English