Siemens Simatic S7-200 System Manual page 469

Loop control
adjusting bias, 10-61
converting inputs, 10-59
converting outputs, 10-60
error conditions, 10-62
forward/reverse, 10-60
loop table, 10-62
modes, 10-61
program example, 10-63–10-65
ranges/variables, 10-60
selecting type, 10-58
Loop Control (PID) instructions, 10-55–10-65
example, 10-63–10-65
Loop table, 10-62
M
Manuals, order number, G-3
Master devices
GSD file, 9-24
in communications, 9-9
modem, 3-19
MPI protocol, 9-3, 9-13
PPI protocol, 9-3
PROFIBUS-DP protocol, 9-4
using non-SIMATIC, 9-24
Math instructions, 10-50–10-65
Add Double Integer, 10-50
Add Integer, 10-50
Add Real, 10-51
Divide Integer, 10-52
Divide Real, 10-53
example, 10-54
Multiply Integer, 10-52
Multiply Real, 10-53
Square Root, 10-53
Subtract Double Integer, 10-50
Subtract Integer, 10-50
Subtract Real, 10-51
Memory
clearing, 6-15
Element Usage Table, 5-18
Memory areas, 6-4
accessing data, 6-4, 7-2
bit memory, 7-2
byte memory, 7-2
CPU, 7-2
operand ranges, 10-3
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02
Memory cartridge
copying to, 7-17
dimensions, A-78
error codes, C-2
installing, 7-17
order number, G-3
removing, 7-17
restoring the program, 7-18
specifications, A-78
using, 7-17
Memory Fill instruction, 10-72
Memory ranges, CPU 212/214/215/216, 10-2
Memory retention, 7-11–7-16
battery cartridge (optional), 7-11
EEPROM, 7-11, 7-13, 7-16
power-on, 7-13–7-17
ranges, 7-15
super capacitor, 7-11
Message enable flags (TD 200), 5-7
Messages
defining, 5-8
embedding values, 5-8
enable flags, TD 200, 5-7
formatting embedded data value, 5-10
location, 5-7
size/number, 5-6
token-passing network, 9-29
Mode control, PID loops, 10-61
Mode switch, operation, 6-13
Modem
cable requirements, 3-19
network communications, 3-19–3-24
null modem adapter, 9-12
PC/PG to CPU connection, 3-19–3-20
using with the PC/PPI cable, 9-12
Modes. See Operation modes
Modes of operation, High-Speed Counters,
10-27
Modifying a pointer (indirect addressing), 7-10
Monitoring
addresses, 5-17
addresses/range, 5-18
program, 6-16–6-18
program status, 6-17
sample program, 4-16
Index
Index-19