Introduction to Industrial Automation

 

◾

 Index

digital output modules, 202, 209–212, 210f–214f

with DC power supply, 21f, 212

electronic circuit, 210–211, 211f–212f

isolated-supply outputs, 212, 213f

of modular PLC, 203f

non-isolated-supply outputs, 212, 213f

operations, block diagram, 209, 210f

technical specifications for, 212–215

expansion and I/O configuration, 233–242

I/O system design, 236–241, 237f, 238t, 

240t–241t, 242f

local and peripheral I/O system, 234–236, 

234f–236f

industrial networks, see Industrial networks, of PLCs

“Input Image Table,” 195

installation, 200

electrical enclosure for, 243–245, 244f, 244t, 

246f–247f

electromagnetic interference, 245, 247–249, 

248f–249f

electromagnetic shielding of cables, 251–252, 

252f

grounding, 249–251, 250f

impedance adjustment of I/Os, 253, 255

input impedance adjustment, 256–257

lightning protection, 252–253, 254f–255f

operation procedure and fault detection, 

261–263, 263f–264f

output impedance adjustment, 257–258

transitional protection of I/Os, 259–261, 

259f–260f

instructions, 196–197; see also Instructions, PLC 

programming

internal structure, 230f

introduction, 193–200

I/O components, 202–203, 203f–204f

memory units, 195

microprocessors, 193

modular construction of, 200–202, 201f–202f

numerical switches, 205–206, 206f

“Output Image Table,” 195

PCs vs., 193, 195

PID control in, 376–379, 377f–379f

combination with interrelated sub-processes, 377, 

378f

independent and separate module, 377, 378f

PID algorithm, 376

PID FB controller, 376–377, 377f, 379

sequential control, 377, 378f

sequential execution, 377, 379, 379f

power supply unit, 199

primitive, 193

principles, 13

programming, see Programming, PLC

programming and networking, 13

programming device or programmer, 198

programming languages, variations in, 198

RS 485 connection, 249, 249f

“scanning” mode, 197–198

selection, 200

software programs for, 10, 13

special purpose input/output modules, 222–225

communication modules, 225

fast input response modules, 223

stepper motor control modules, 223–224, 224f

three terms (PID), 224–225

step motor driving through, 393–394, 394f

TTL signal, 195–196

vs. classical industrial automation system, 194–195, 

196f

Programming, PLC, 13, 200, 271–347

advantages, 272

applications, 329–347, 329f, 331f–339f, 342f, 

344f–346f

assembly station, 339–342, 339f

bowling automation, 345–347, 346f

counting and numerical calculation, 336, 336f

drilling machine automation, 343–345, 344f, 

345f

electric ladder control, 333–334, 334f, 335f

layout for separating objects, 338–339, 338f

parking fullness check, 332–333, 333f

reversing motor operation, 329–330, 329f

star-delta automation, 330–332, 331f, 332f

swimming pool control, 342–343, 342f

temperature control, 337–338, 337f

background, 272–273

basic instructions, 281–292, 282t–283t

activation instructions, 288–290

Boolean logic instructions, 287–288

complementary instructions, 290–292, 290f, 291f

result of an instruction execution, 284–287, 285f, 

286f

embedded languages for, 273–277

Function Block Diagram (FBD) language, 274, 274f

general remarks on languages, 278

IEC 61131 standard, 273–278, 274f–277f

IEC 61131-3 standard and, 292

additional instructions, 297–298, 297f, 298f

applications, 329–347, 329f, 331f–339f, 342f, 

344f–346f

Boolean logic and activation instructions, 

300–315, 300f–314f

familiarity with RLO, 298–300, 298f–300f

highlights and restrictions, 292–300, 293f–300f

intelligence restrictions, 294–296, 295f

mathematical operations, 327–329, 328f

number of LAD instructions per rung, 296, 296f

order of rungs, 296–297, 297f

parallel or serial execution of LAD instructions, 

292–294, 293f–294f, 294t

with timers and counters, 315–323, 316f–322f

using structural programming, 323–327, 324f, 

326f–327f

---