Page 426 - Programmable Logic Controllers, Fifth Edition - Mobile version

Index

Note: Page numbers followed by f and t denotes figures and tables respectively.
A binary, 55–57 one-shot instruction, 353–354, 354–355f
floating point, 57–58, 57–58f
Abbreviations, 2 Array, CLX system, 342–343, 343f program scan, 345–346, 345f
tag-based addressing, 347–348, 347f
Access method, 320 ASCII (American Standard Code for Information Bit-oriented I/O, 22
Accumulated time, 134 Interchange), 54 Bit shift instructions, 265, 266f
Accumulated value ASCII code, 54, 55t bit address, 267
timer, 136 ASCII module, 31 carriers tracking flowing through 16-station machine,
up-counter, 161
269, 271, 271f
Active tab, 92 Associative law, 66 control, 266
Assume Data Available indicator marker, FBD, 387, 388f
Actuators, 112 Audit, SCADA, 329 file, 266
in control system, 308
length, 267
Acumulated value (ACC) word, 136 Automatic control process, 121, 121f Bit shift left (BSL) instruction, 265, 266f, 267, 267f
Automatic mode, water level control process in storage
up-counter, 161
tank, 118
ADC (analog-to-digital converter), 27, 94 Automatic sequential control systems Allen Bradley ControlLogix, 271–272, 272f
with wraparound operation, 267–268, 269f
Addition, 55–56 on-delay timer (TON), 138, 140, 140f Bit shift registers, 264–272
Addition instruction, 236–237f, 236–238 Automatic stacking program, 174–176, 175f bit shift instructions, 265–268, 266f
Add-On instructions, 384 Auxiliary seal-in contact, 199, 200f File Shift menu tab, 266
Addressing, 18, 86–87, 86f Bit shift right (BSR) instruction, 265, 266f,
bit level, 19, 20f B 267–268, 268f
I/O connection diagram, 87f Allen Bradley ControlLogix, 271
rack/slot-based, 19, 19f Backplane current draw, discrete I/O modules, 34 Bit-wide bus networks, 319
rack/slot-based vs. tag-based, 19, 21f Backplane power, 22 Bleeder resistor, 285, 285f
tag-based, 19, 20f BAND (Boolean AND) function block, 82, 384–385, 385f connected to proximity sensor, 106, 106f
CLX system, 347–348, 347f Bandwidth, 325
word level, 19, 20f Bang-bang control, 228 Block-formatted counter, 158, 158f
Addressing formats, 212, 212f Barcode reader, 273, 273f Block format timer instruction, 135, 135f
Boolean algebra, 65
Alarm monitor program, 166f Bar code scanners, 108–109, 109f associative law, 66
Alarm system, SCADA, 329, 330, 330f Base tag, 19, 338, 339f, 340 basic operators, 65f
Alias tag, 19, 338–339, 339f Base tag data, 339–340, 340f commutative law, 65
Allen-Bradley BASIC, 31, 81 distributive law, 66
controllers, 51 (see also specific types) Batch processing, 306, 306f logic operators, 65f, 66f
ControlLogix platform from, 48 (see also ControlLogix Battery backup, 291f Boolean equation, 65
controllers) BCD. See Binary Coded Decimal (BCD) output device
for logic gate circuits, 66–67, 67f
memory structures, 75 BCD-output module, 32, 32f Boolean expression
MicroLogix controller, 78, 78f, 87 BCD-to-binary conversion, 51, 53f logic gate circuits from, 66, 66f
RSLogix software packages, 91 Bearing lubrication program, 146f Bottle-filling motion control process, 315, 316f
SLC 500 (see SLC 500 controllers) Binary arithmetic, 55–57 motion module, 316
subroutine-related instructions, 191, 191f Binary Coded Decimal (BCD) output device, 224–225, 225f
Allen-Bradley Data Highway, 321, 321f, 322, 322f Binary coded decimal (BCD) system, 51–53, 52–53f programmable logic controller, 315
servo drive, 316
Allen-Bradley Pico controller, 11, 115 numeric values, 52t servo motor, 316
installation, 11 Binary information, 268
Allen-Bradley Pico GFX-70 controller, 40f Binary number(s) Branch instructions, 87–89, 87f
input, 87, 87f
All Mode, FAL instruction, 213 complement of, 49 matrix limitation diagram, 88
Alternating current (AC) supply, 5 conversion to decimal number, 47, 48f nested, 87–88, 87f
Ambient temperature rating, discrete I/O decimal number conversion to, 48, 48f original circuit, 89f
modules, 33 hexadecimal number conversion to, 51, 51f
American Standard Code for Information Interchange octal number conversion to, 50f output, 87, 87f
reprogrammed circuit, 89f
(ASCII), 54 signed, 49t
vertical contact, 88, 88f
ANALOG COMMON terminal, 29, 29f Binary principle, 62–65 Break-before-make pushbutton, 102
Analog control, 228, 311 Boolean algebra and, 65–66 Bridges, 320
Analog devices, 93–94, 224, 225 Binary system, 47–48f, 47–49, 47t Bus topology network, 318–320, 319f
Analog input module circuit, 28, 29f binary principle, 62–65 Byte, 48
Analog I/O modules, 27–29f, 27–31 Boolean algebra and, 65–66 Byte-wide bus networks, 319
specifications, 34–35 numeric values, 52t
channels per module, 34 Binary-to-BCD conversion, 51, 53f C
common-mode rejection, 34–35 Bit, 47, 54, 208, 208f
input current/voltage range(s), 34 Bit file, 75 Calibration, instrument, 127
input impedance and capacitance, 34 Bit level addressing, 19, 20f Cam-operated sequencer switch, 253, 253f
input protection, 34 Bit-level logic instructions, 83–86 Cam switches, 253
output current/voltage range(s), 34 Examine If Closed (XIC), 83–84, 83f Can-counting program, 162, 163f
resolution, 34 Examine If Open (XIO), 83, 84, 84f Capacitive proximity sensors, 106, 106f
Analog output interface module, 29, 225–226, 226f Output Energize (OTE), 83, 84–85, 85f Cascading counters, 170–172, 171f
Analog signals, 93–94, 94f separating action of field device, 85, 85f Cascading timers, 147–148, 149f
Analog-to-digital converter (ADC), 27, 94 symbolic, 83 CLX system, 365, 366f
AND function, 62–63, 62f, 65, 208 Bit-level programming, CLX system, 345–355 Centralized control, 307, 307f
AND gate, 62, 62f internal relay instructions, 350–352, 351–352f Central processing unit (CPU), 4, 5–6, 6f, 35–36, 35–36f.
Annunciator flasher program, 148, 148f ladder logic program, 346, 346f see also Processor module
Architecture, 4 addition to main routine, 348–350, 348–350f backup memory battery, 291, 291f
Arithmetic latch and unlatch instructions, 352–353, 352–353f power supply, 35, 35f
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