Siemens CPU 948 - Page 123

Bit test operations
Operation Operand Function
TB
I 0.0 to 127.7
Q 0.0 to 127.7
F 0.0 to 255.7
D 0.0 to 255.15
T 0.0 to 255.15
Z 0.0 to 255.15
RI 0.0 to 255.15
RJ 0.0 to 255.15
RS 0.0 to 255.15
RT 0.0 to 255.15
Scan for signal state "1"
of an input (PII)
of an output (PIQ)
of a flag
of a data word bit
of a timer word bit
of a counter word bit
of a bit in RI area
of a bit in RJ area
of a bit in RS area
of a bit in RT area
TBN
I 0.0 to 127.7
Q 0.0 to 127.7
F 0.0 to 255.7
D 0.0 to 255.15
T 0.0 to 255.15
C 0.0 to 255.15
RI 0.0 to 255.15
RJ 0.0 to 255.15
RS 0.0 to 255.15
RT 0.0 to 255.15
Scan for signal state "0"
of an input (PII)
of an output (PIQ)
of a flag
of a data word bit
of a timer word bit
of a counter word bit
of a bit in RI area
of a bit in RJ area
of a bit in RS area
of a bit in RT area
The bit test operations scan the state of the bit and indicate it via the
RLO.
Table 3-13 Bit test operations
Supplementary Operations
CPU 948 Programming Guide
C79000-G8576-C848-04
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