Siemens SIMATIC S7 System Manual page 858

Index
Library
creating, 563
types, 471
LIFO, 370
LN (natural logarithm), 302
Local and expansion I/O addressing, 83
Local variables, 121
Local/Partner connection, 400
Logic stack
STL inputs, 173
STL stack operations, 174
Logic, control, 69
Logical operation instructions
AND, OR, XOR (byte, word, and dword), 336
invert, 335
Loop control (PID)
adjusting bias, 319
converting inputs, 317
converting outputs, 318
error conditions, 320
forward/reverse, 319
loop definition table, 582
modes, 320
Loop table, 321
Lost password, 166
LPP (STL stack-Logic Pop), 174
LPS (STL stack-Logic Push), 174
LRD (STL stack-Logic Read), 174
LSCR (STL-Load SCR), 345
M
MAC address, 413
Main entry, 726
Main program, 105
Math instructions
add, subtract, multiply and divide, 297
divide integer with remainder, 300
increment and decrement, 305
multiply integers to double integer and divide
integer with remainder, 300
numeric functions, 302
MBUS_CTRL (initialize Modbus master
communication), 481
MBUS_INIT (initialize slave communication), 491
MBUS_MSG / MB_MSG2 (send message from
Modbus master), 483
MBUS_SLAVE (slave response to master
message), 492
Memory, 795
addresses for non-fatal error indicators, 795
858
clearing PLC, 164
retentive range configuration, 141
Memory card
program transfer card, 97
reset to factory defaults, 167
types of, 93
using, 94
Modbus general
addressing, 473
advanced user information, 496
initialization and execution time for Modbus
protocol, 478
library features, 476
requirements for using Modbus instructions, 477
Modbus library overview, 471
Modbus RTU master
example program, 494
execution error codes, 487
MBUS_CTRL (initialize master communication), 481
MBUS_MSG / MB_MSG2 (send message from
master), 483
using the instructions, 480
Modbus RTU slave
execution error codes, 493
MBUS_INIT (initialize slave communication), 491
MBUS_SLAVE (slave response to master
message), 492
using the instructions, 489
Modules
CPU CR20s, 685
CPU CR30s, 695
CPU CR40s, 704
CPU CR60s, 714
CPU SR20, 685
CPU SR30, 695
CPU SR40, 704
CPU SR60, 714
CPU ST20, 685
CPU ST30, 695
CPU ST40, 704
CPU ST60, 714
dimensions, 51
EM AE04, 738
EM AM06, 744
EM AQ02, 741
EM AR02 (RTD), 758
EM DE08, 725
EM DE16 specifications, 725
EM DP01 PROFIBUS DP, 775
EM DR08, 727
EM DR16, 732
EM DR32, 732
System Manual, V2.3, 07/2017, A5E03822230-AF
S7-200 SMART