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Rockwell Automation 1761 MicroLogix 1000 Programmable Controllers User Manual

Page 421

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Index

I–23

Timer OnĆDelay (TON), 6-11

execution times, 6-11

instruction parameters, C-13

using status bits, 6-11

valid addressing modes, C-13

valid file types, C-13

timing diagram, message instruction, 13-8
TND, Temporary End, 10-8
TOD, Convert to BCD, 9-3
TOF, Timer OffĆDelay, 6-12
TON, Timer OnĆDelay, 6-11
troubleshooting

automatically clearing faults, 14-6

contacting AllenĆBradley for assistance,

P-6, 14-10

controller error recovery model, 14-5

determining controller faults, 14-2

identifying controller faults, 14-6

manually clearing faults, 14-6

understanding the controller LED status,

14-2

using the fault routine, 14-6

U

understanding file organization, 4-4

addressing data files, 4-10

numeric constants, 4-13

processor file overview, 4-4

specifying indexed addresses, 4-12

specifying logical addresses, 4-10

using the file indicator (#), 4-13

up counter

operation, 12-8

overview, 12-7

up counter with reset and hold

operation, 12-8

overview, 12-7

update times, analog inputs, 5-3
updating the highĆspeed counter accumulator,

12-24

user interrupt latency, B-24

V

valid addressing modes, C-1
varistors

example, 1-9

recommended, 1-9

voltage ranges, discrete, 2-7

W

wire types, 2-4
wiring

analog, 2-21

analog channels, 2-22

wiring diagrams, 2-7

1761ĆL10BWA, 2-9

1761ĆL10BWB, 2-12

1761ĆL16AWA, 2-7

1761ĆL16BBB, 2-16

1761ĆL16BWA, 2-10

1761ĆL16BWB, 2-13

1761ĆL20AWAĆ5A, 2-18

1761ĆL20BWAĆ5A, 2-19

1761ĆL20BWBĆ5A, 2-20

1761ĆL32AAA, 2-15

1761ĆL32AWA, 2-8

1761ĆL32BBB, 2-17

1761ĆL32BWA, 2-11

1761ĆL32BWB, 2-14

wiring recommendations, 2-4

X

XIC, Examine if Closed, 6-4
XIO, Examine if Open, 6-4
XOR, Exclusive Or, 9-20