Siemens SIMATIC S5-100U, System Manual

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S5-100U Operations List, Machine Code and List of Abbreviabrations
EWA 4NEB 812 6120-02b
A-19
Abbreviation Explanation
Permissible Operand Value Range for
CPU 100 CPU 102 CPU 103
KBE DB1 parameter: SINEC L1, position of the
“Receive” coordination byte
KBS DB1 parameter: SINEC L1, position of the
“Send” coordination byte
KC Constant (count) (0 to 999) (0 to 999) (0 to 999)
KF Constant (fixed-point number) (- 32,768 to
+32,767)
(- 32,768 to
+32,767)
(- 32,768 to
+32,767)
KH Constant (hexadecimal code) (0 to FFFF) (0 to FFFF) (0 to FFFF)
KM Constant (2-byte bit pattern) (arbitrary bit
pattern: 16 bit) (arbitrary bit
pattern: 16 bit) (arbitrary bit
pattern: 16 bit)
KS Constant (2 characters) (any two
alphanumeric
characters)
(any two
alphanumeric
characters)
KT Constant (time) (0.0 to 999.3) (0.0 to 999.3) (0.0 to 999.3)
KY Constant (2 bytes) (0 to 255 each
byte)
(0 to 255 each
byte)
(0 to 255 each
byte)
LAD STEP 5-Ladder Diagram
NT DB1 parameter: number of timers being
processed
OB Organization block
for special applications:
1, 3, 13, 21, 22, 31, 34, 251 (0 to 63) (0 to 63) (0 to 255)
OB13 DB1 parameter: interval (ms) within which OB13
is called and processed
OHE DB1 parameter: enable operating hours counter
OHS DB1 parameter: set operating hours counter
OP Operator panel
OV Overflow. This condition code bit is set if, e.g., a
numerical range is exceeded during arithmetic
operations.
PII Process image input table
PIQ Process image output table
PB Program block
(with block call and return operations) (0 to 63) (0 to 63) (0 to 255)
PY Peripheral byte (0 to 127)
PG Programmer
PW Peripheral word (0 to 126)
Q Output (0.0 to 127.7) (0.0 to 127.7) (0.0 to 127.7)
QB Output Byte (0 to 127) (0 to 127) (0 to 127)
QW Output word (0 to 126) (0 to 126) (0 to 126)
* +integrated FBs such as CPU 103