Siemens SIMATIC S5-115U, User Manual

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S5-115U Manual List of Abbreviations
EWA 4NEB 811 6130-02b
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List of Abbreviations
Abbreviations Explanation
ACCUM 1 Accumulator 1 (When loading ACCUM 1, the original contents are
shifted to ACCUM 2)
ACCUM 2 Accumulator 2
AMPM DB1 parameter (clock mode- AM/PM representation)
ASCII American Standard Code for Information Interchange
BF Byte constant (fixed-point number)
(- 128 to+127)
C Counter
(0 to 127) and (0.0 to 127.15)
CBR DB1 parameter (SINEC L1, position of the ”send” coordination byte)
CBS DB1 parameter (SINEC L1, position of the ”receive” coordination byte)
CC Central controller
CC0 / CC 1 Condition code word 0 / condition code word 1
CF DB1 parameter (correction factor for the integral clock)
CLK DB1 parameter (start of the clock data range)
CP Communications processor
CPU Central processing unit
CSF Control system flowchart in STEP-5 representation
D Date (1 bit)
(0.0 to 255.15)
DB Data block
(2 to 255)
DL Data word (left byte)
(0 to 255)
DR Data word (right byte)
(0 to 255)
DW Data word
(0 to 255)
EMC Electromagnetic compatibility
ERR DB1 parameter (position of the error code)
EU Expansion unit
F Flag - retentive (0.0 to 127.7)
- non-retentive (128.0 to 255.7)
FB Function block
(0 to 255)
FW Flag word
(0 to 254)
FY Flag byte - retentive (0 to 127)
- non-retentive (128 to 255)
List of Abbreviations