Siemens S7-1200 System Manual page 1025

Strg_TO_Chars (convert character string to array of
CHAR), 302
STRG_VAL (convert character string to numerical
value), 293
String
S_MOVE (move character string), 293
string data overview, 292
String data type, 115
string operations overview, 306
Structured programming, 170, 172
calling blocks, 172
SUB (subtract), 230
Subnet mask, 160
Support, 3
Suppressor circuits for inductive loads, 74
Surge immunity, 832
SWAP (swap bytes), 243
SWITCH (jump distributor), 256
Switching languages, user-defined Web pages, 656
Synchronization
time synchronization property (PROFINET), 165
System clock
RD_SYS_T (read time-of-day), 287
WR_LOC_T (set local time), 287
WR_SYS_T (set time-of-day), 287
System memory byte, 102
System requirements, 36
T
T_ADD (add times), 284
T_COMBINE (combine times), 285
T_CONFIG (configure interface), 541
T_CONV (convert times and extract), 283
T_DIFF (time difference), 285
T_SUB (subtract times), 284
Tags
force, 801
force operation, 802
monitor, 796
status, 796
TAN (form tangent value), 236
Task cards
columns and headers, 42, 746
TCON
configuration, 150
connection IDs, 514
connection parameters, 153
TCON (establish communication connection), 527
TCON_Param, 153
TCP
ad hoc mode, 518
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
connection configuration, 150
connection IDs, 514
parameters, 153
protocol, 517
TCP/IP communication, 517
TDISCON (terminate communication connection), 527
Technical specifications, 829
Technical support, 3
Technology instructions, 409
Technology module
SM 1278, 931
Technology objects
Motion control, 448
PID, 420
Telecontrol, 767
TeleService adapter and module, 66
Teleservice communication
TM_MAIL (send email), 775
TeleService via GPRS, 767
Terminal block connector, 63
Terminal emulator for PtP example program, 711
Testing the program, 199
Thermal zone, 50, 54
Thermocouple
basic operation, 922, 955
cold junction compensation, 922, 955
SB 1231 AI 1 x 16 bit, 953
SB 1231 Filter selection table, 955
SB 1231 Thermocouple filter selection table, 955
SM 1231 Thermocouple filter selection table, 923
SM 1231 Thermocouple selection table, 923
TIA Portal
Portal view, 37
Project view, 37
Time
DTL (date and time long data type), 114
RD_LOC_T (read local time), 287
RD_SYS_T (read time-of-day), 287
SET_TIMEZONE (set time zone), 290
T_ADD (add times), 284
T_COMBINE (combine times), 285
T_CONV (convert times and extract), 283
T_DIFF (time difference), 285
T_SUB (subtract times), 284
Time data type, 113
TOD (time of day data type), 113
WR_LOC_T (set local time), 287
WR_SYS_T (set time-of-day), 287
Time delay OB, 87
Time error interrupt OB, 88
Time of day
configuring the online CPU, 789
Index
1025