C.3 List Of Abbreviations - Siemens SIMATIC S5-95F Manual

Operations List
C.3 List of Abbreviations
Abbreviation Explanation
ACCU 1 Accumulator 1
ACCU 2
Accumulator 2
BN Byte constant (fixed-point number)
C Counter
- retentive
- non-retentive
- for the "Bit Test" and "Set" supplementary
operations
CAN DB1 parameter: counter A counts with negative and
positive edge
CAP DB1 parameter: counter A counts with positive edge
CBN DB1 parameter: counter B counts with negative and
positive edge
CBP DB1 parameter: counter B counts with positive edge
CC 0 / CC 1 Condition code 0 / Condition code 1
CCN DB1 parameter: cascaded counter counts with
negative edge
CCP DB1 parameter: cascaded counter counts with
positive edge
CF DB1 parameter: input correction factor (integral real-
time clock)
CLK DB1 parameter: clock data location
CPU Central processing unit of programmable controller
CSF STEP 5 control system flowchart method of
representation
D Data (1 bit)
DB Data block
DL Data word (left-hand byte)
DR Data word (right-hand byte)
DW Data word
EF DB1 parameter: SINEC L1, position of receive
mailbox
F Flag
FB Function block
FB/FY Flag byte
Formal operand Expression with a maximum of 4 characters. The first
character must be a letter of the alphabet.
C-16
(When accumulator 1 is loaded,
any existing contents are shifted
into accumulator 2.)
- retentive
- non-retentive
- retentive
- non-retentive
Permissible Operand Value Range for
S5-95F
(- 127 to +127)
(0 to 7)
(8 to 127)
(0 to 127)
(0.0 to 127.15)
(0.0 to 255.15)
(2 to 255)
(0 to 255)
(0 to 255)
(0 to 255)
(0.0 to 63.7)
(64.0 to 255.7)
(0 to 255)
(0 to 63)
(64 to 255)
EWA 4NEB 812 6210-02
S5-95F