Siemens SIMATIC S7-200 System Manual page 586

Index
Date, setting, 9-71
DC input simulator, installation, A-93
DC installation, guidelines, 2-14
DC relay, 2-17
DC transistor, protecting, 2-16
Debugging, program, 4-30–4-32
Decimal constant, 5-4
Decode instruction, 9-135
Decrement Byte instruction, 9-79
Decrement Double Word instruction, 9-80
Decrement instruction, 10-20
Decrement instructions
Decrement Byte, 9-79
Decrement Double Word, 9-80
Decrement Word, 9-79
example, 9-81, 10-20
Subtract Double Integer, 9-74
Subtract Integer, 9-73
Decrement Word instruction, 9-79
Designing a Micro PLC system, 4-2
Detach Interrupt instruction, 9-169
Differential term, PID algorithm, 9-92
Digital expansion module, addressing, 6-2
Digital inputs
and pulse catch, 6-5
reading, 4-22
Digital outputs, writing to, 4-23
Dimensions
CPU 221, 2-4
CPU 222, 2-4
CPU 224, 2-4
CPU 226, 2-5
expansion I/O modules, 2-5
memory cartridge, A-88
screw sizes for installation, 2-4–2-5
DIN rail
clearance requirements, 2-2–2-4
dimensions, 2-3
high-vibration installations, 2-7
installation procedure, 2-7
order number, E-3
using DIN rail stops, 2-7
vertical installations, 2-7
Diode suppression, 2-16
DIP switch settings, PC/PPI cable, 3-5, 7-39
Direct addressing, 5-2
for overloaded instructions, 4-16
Disable Interrupt instruction, 9-173
Display options
FBD status, 4-33
LAD status, 4-32
STL status, 4-35
Index-6
Divide Double Integer instruction, 9-76
Divide instruction, 10-18
Divide Integer instruction, 9-75
Divide Integer to Double Integer instruction,
9-77
Divide Real instruction, 9-83
Documentation, related, iv
Double Integer to ASCII instruction, 9-142
Double Integer to Integer instruction, 10-31
Double Integer to Integer instruction, 9-132
Double Integer to Real instruction, 9-130,
10-31
Double word, and integer range, 5-4
Double word access, CPU 221/222/224/226,
8-8
Downloading
in RUN mode, 4-41
mode requirements, 4-25
program, 5-15
DP slave port connector, EM 277
PROFIBUS–DB, A-52
DP standard communications, A-52
Drives
communication time, 11-3
connecting to CPU, 11-17
setup, 11-18
DRV_CTRL instruction, 11-7
E
Editors
Function Block Diagram (FBD), 4-9
Ladder Logic (LAD), 4-8
Statement List (STL), 4-6
EEPROM, 5-15, 5-17
copying V memory, 5-20
error codes, B-2
saving from V memory, C-7
Electric service life, A-5
Electromagnetic compatibility, S7-200, A-4
Electromagnetic emission standards, A-2
Electromagnetic immunity standards, A-2
EM221 24 VDC 8 Digital Input Module
connector terminal identification, A-27
specifications, A-26
EM221 24 VDC Digital 8 Inputs, order number,
E-1
EM222 24 VDC Digital 8 Inputs, order number,
E-1
S7-200 Programmable Controller System Manual
A5E00066097-02