Siemens SIMATIC S7-200 System Manual page 546

S7-200 Programmable Controller System Manual
S memory, 32
sample network configurations, 216, 217, 218,
219
saving data, 36
scan cycle, 24, 42
sequence control relay memory area (S), 32
SM memory, 31
special features, 41
special memory area (SM), 31
status chart, 247
STOP mode, 14, 40
supported interrupt routines, 156
system components, 2
T memory, 29
technical specifications, 394
timer memory area (T), 29
troubleshooting, 249
uploading, 37
V memory, 28
variable memory area (V), 28
wiring diagrams, 401–403
wiring guidelines, 21
S7--200 Explorer, 36, 41
Data Log Wizard, 378
S7--200 Programmable Controller System Manual,
order numbers, 496
S7--200CN products, 511–514
S7--300, sample network configurations, 217
S7--400, sample network configurations, 217
Safety circuits, designing, 52
Sample program, 10
Saving
bit memory (M) to EEPROM, 39
program, 13
S7--200 program data, 36
value to EEPROM, 487
variable memory (V) to EEPROM, 39
Scaled integer, converting loop outputs, 149
Scan cycle, 24
specifying number, 248
timers, 198
Scan times: SMW22 to SMW26, 486
Security, passwords, 48
Security callback, EM 241 Modem module, 312
Segment instruction, 102
example, 102
Selecting
communication protocol, 214
CP card, 224
instruction sets, 57
PPI Multi--Master cable, 224
program editor, 55
RTD DIP switches, 431–432
S7--200 operating mode, 40
thermocouple DIP switches, 427
Sequence control relay end instruction, 172
Sequence control relay instructions
conditional sequence control relay end, 172
convergence control, 175
divergence control, 175
example, 172
load sequence control relay, 172
restrictions, 172
532
sequence control relay end, 172
sequence control relay transition, 172
Sequence control relay memory area (S), 32
Sequence control relay transition instruction, 172
Servos, open loop position control, 255
Set dominant bistable instruction, 77
Set immediate instruction, 73
Set instruction, 73
example, 73
Set port address instruction, 95
Set real--time clock extended instruction, 79
Set real--time clock instruction, 78
Setting
baud rate, 211
control byte (HSC), 124
current and preset values for HSC, 126
date, 78
remote address for S7--200, 213
time, 78
Setting up
MM3 drive, 343
MM4 drive, 346
Seven--segment display, 102
Shift instructions
example, 180
types, 179
Shift left byte instruction, 179
Shift left double word instruction, 179
Shift register bit instruction, 181
example, 182
Shift right byte instruction, 179
Shift right double word instruction, 179
Shift right word instruction, 179
Short Message Service, EM 241 Modem module,
310
SIMATIC counter instructions
count down, 113
count up, 113
count up/down, 114
examples, 115
SIMATIC instruction set, 57
SIMATIC timer instructions, 196
example, 198, 199, 200
Simulators, order numbers, 497
Simulators, input, 471
Sine instruction, 143
Single--master PPI network, 216
Slave device, 211
EM 277 PROFIBUS--DP, 440
S7--200, 440
SM memory, 31
Modbus Master Protocol, 348
Modbus Slave Protocol, 349
PTO/PWM operation, 136
SMB0: status bits, 482
SMB1: status bits, 482
SMB130: freeport control registers, 486
SMB131 to SMB165: HSC3, HSC4, HSC5 register,
491
SMB166 to SMB185: PTO0, PTO1 Profile Definition
Table, 492
SMB186 to SMB194: receive message control, 490
SMB2: freeport receive character, 483