Siemens SINUMERIK 802C - Page 60

Start-Up
4.3 Starting up the PLC
4-60
SINUMERIK 802C
6FC5 597–3AA20–0BP2 (01.02)
Table 4-9 S802C ranges of operands
Accessed by:
Memory Type SINUMERIK 802SC
Bit (Byte.bit) V 14000000.0–79999999.7
I 0.0 – 7.7
Q 0.0 – 7.7
M 0.0 – 127.7
SM 0.0 – 0.6
T 0 – 15
C 0 – 31
L 0.0 – 59.7
Byte VB 14000000–79999999
IB 0 – 7
QB 0 – 7
MB 0 – 127
SMB 0
LB 0 – 59
AC 0 – 3
Word VW 14000000–79999998
IW 0 – 6
QW 0 – 6
MW 0 – 126
T 0 – 15
C 0 – 31
LW 0 – 58
AC 0 – 3
Double Word VD 14000000–79999994
ID 0 – 4
QD 0 – 4
MD 0 – 124
LD 0 – 56
AC 0 – 3
Table 4-10 Special Flag SM Bit Definition
SM Bits
Description
SM 0.0 Flags with defined ONE signal
SM 0.1 Initial position: first PLC cycle ‘1’, following cycles ‘0’
SM 0.2 Buffered data lost – applicable only to the first PLC cycle (‘0’ data o.k., ‘1’ – data
lost)