Index
S7-1200 Programmable controller
772
System Manual, 11/2011, A5E02486680-05
CM 1243-2 AS-i Module Features, 452
ASIN (arc sine or inverse sine), 192
Assigning enum types, user-defined Web pages, 501
ATEX approval, 658
ATH (ASCII to hexadecimal), 251
AWP commands, 494
combining definitions, 504
defining an enum type, 501
generating fragments, 503
importing fragments, 504
reading special variables, 497
referencing an enum type, 501
using an alias, 500
writing special variables, 499
writing variables, 496
AWP_Enum_Def, 501
AWP_Enum_Ref, 501
AWP_Import_Fragment, 504
AWP_Out_Variable, 497
AWP_Start_Fragment, 503
B
Basic panels (HMI), 25
Binding to a CPU or memory card, 156
Bit logic, 163
Block
consistency check, 161
Block move (MOVE_BLK), 194
Blocks
block calls, 61
calling an FB or FC with SCL, 147
copying blocks from an online CPU, 157
counters (quantity and memory requirements), 19,
data block (DB), 61
download, 157
events, 68
function block (FB), 61, 140
initial value of an FB, 140
instance data block (DB), 140
interrupts, 19, 68, 665, 673, 682
linear and structured programs, 136
nesting depth, 19, 61, 665, 673, 682
number of code blocks, 19, 665, 673, 682
number of OBs, 19, 68, 665, 673, 682
organization blocks (OBs), 19, 61, 66, 68, 665, 673,
password protection, 154
single instance or multi-instance DB, 140
size of the user program, 19, 61, 665, 673, 682
start-up OBs, 68
timers (quantity and memory requirements), 19,
types of code blocks, 61
valid FC, FB, and DB numbers, 61
Boolean or bit values, 81
BUFFER parameter, SEND_PTP, 543
Bus connector, 22
C
scaling analogs, 30
Calendar, 233
Call structure, 161
Calling code blocks within the user program, 138
CAN_DINT (cancel time delay interrupt), 279
Capturing the status of a code block, 34
Capturing values from an online DB, 644
CB 1241 RS485 specifications, 753
CE approval, 657
Certificate Import Wizard, 490
Changing settings for STEP 7, 33
Char (character data type), 90
Character position
message length, 559
Character sequence
message end, 558
message start, 554
Clearance
airflow and cooling, 39
Clock
memory byte, 79
RD_LOC_T (read local time), 235
RD_SYS_T (read system time), 235
time-of-day clock, 77
WR_SYS_T (write system time), 235
CM 1241
RS232 specifications, 756
RS422/RS485 specifications, 756
RS485 specifications, 754
CM 1243-2 AS-i
AS-i Module Features, 452
Code block
binding to a CPU or memory card, 156