Specifications

Index
Index-5
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
CPU 224 AC/DC/Relay
connector terminal identification, A-20
order number, E-1
specifications, A-16
CPU 224 DC/DC/DC
connector terminal identification, A-20
order number, E-1
specifications, A-16
CPU modules
dimensions
CPU 221, 2-4
CPU 222, 2-4
CPU 224, 2-5
expansion I/O modules, 2-5
screw sizes for installation, 2-4–2-6
installation procedure, panel, 2-6
procedure, removing, 2-8
screw sizes for installation, 2-4–2-6
Creating a program, example: set up timed
interrupt, 4-18
Current time values, updating, 9-19
Cycle time, Pulse train output (PTO) function,
9-60
D
Data checking, 5-12
Data types
checking, 4-12–4-16
advantages, 4-14
complex, 4-12
elementary, 4-11
Data typing, 5-12
Date, setting, 9-70
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, 9-131
Decrement Byte instruction, 9-78
Decrement Double Word instruction, 9-79
Decrement instruction, 10-22
Decrement instructions
Decrement Byte, 9-78
Decrement Double Word, 9-79
Decrement Word, 9-78
example, 9-80, 10-23
Subtract Double Integer, 9-73
Subtract Integer, 9-72
Decrement Word instruction, 9-78
Designing a Micro PLC system, 4-2
Detach Interrupt instruction, 9-165
Differential term, PID algorithm, 9-88
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, 2-5
expansion I/O modules, 2-5
memory cartridge, A-28
screw sizes for installation, 2-4–2-6
DIN rail
clearance requirements, 2-3–2-5
dimensions, 2-4
high-vibration installations, 2-7
installation procedure, 2-7
order number, E-2
using DIN rail stops, 2-7
vertical installations, 2-7
Diode suppression, 2-16
DIP switch settings, PC/PPI cable, 3-5, 7-38
Direct addressing, 5-2
for overloaded instructions, 4-15
Disable Interrupt instruction, 9-169
Divide Double Integer instruction, 9-75
Divide instruction, 10-20
Divide Integer instruction, 9-74
Divide Integer to Double Integer instruction,
9-76
Divide Real instruction, 9-82
Documentation, related, iv
Double Integer to ASCII instruction, 9-138
Double Integer to Integer instruction, 10-34
Double Integer to Integer instruction, 9-128
Double Integer to Real instruction, 9-126,
10-33
Double word, and integer range, 5-4
Double word access, CPU 221/222/224, 8-8