Programmer (HHP) User guide

(HHP) User Manual
Index
MicroLogix 1000 with Hand-Held Programmer
I–28
valid addressing modes, C–10
valid file types, C–10
test modes, 18–22
continuous scan (CSN), 18–22
single scan (SSN), 18–22
timer file (T), 6–4
timer instructions
overview
addressing structure, 8–15
entering parameters, 8–14
entering the instructions, 8–15
Retentive T imer (R T O), 8–20
T imer Of f-Delay (T OF), 8–18
T imer On-Delay (T ON), 8–16
T imer Of f-Delay (T OF), 8–18
entering the instruction, 8–18
execution times, 8–18
function code, 8–18
instruction parameters, C–10
ladder representation, 8–18
using status bits, 8–18
valid addressing modes, C–10
valid file types, C–10
T imer On-Delay (T ON), 8–16
entering the instruction, 8–16
execution times, 8–16
function code, 8–16
instruction parameters, C–10
ladder representation, 8–16
using status bits, 8–16
valid addressing modes, C–10
valid file types, C–10
timing diagram, message instruction, 15–9
TND, T emporary End, 12–7
T OD, Convert to BCD, 1 1–2
TOF , T imer Of f-Delay , 8–18
T ON, T imer On-Delay , 8–16
trace feature, using, 20–8
tracing specific addresses
addresses that are displayed, 20–9
addresses that you enter , 20–9
bit versus word addresses, 20–9
troubleshooting
automatically clearing faults, 20–12
contacting Allen-Bradley for assistance,
P–6, 20–16
controller error recovery model, 20–10
determining controller faults, 20–1
identifying controller faults, 20–1 1
keys you use, 4–4
manually clearing faults, 20–1 1
power failure, 20–16
recovering your work, 20–16
understanding the controller LED status,
20–1
using the fault routine, 20–12
U
understanding
addressing, 6–7
file organization, 6–3
how programs are stored and accessed,
6–5
ladder logic programs, 6–1 1
the HHP keys’ context sensitivity , 4–4
up counter
operation, 14–7
overview , 14–5
up counter with reset and hold
operation, 14–7
overview , 14–5
Update High-Speed Counter Image
Accumulator (OUT), 14–23
entering the instruction, 14–23
execution times, 14–23
ladder representation, 14–23
operation, 14–23
updating the high-speed counter accumulator ,
14–23
user interrupt latency , B–20
user password, 18–2
using the trace feature, 20–8
V
valid addressing modes, C–2
varistors
example, 1–8
recommended, 1–8
viewing data table files, 18–28
W
watchdog scan, setting, 18–1 1
what to do first, 5–1
wire types, 2–3
wiring
analog controllers, 2–17
your controller for high-speed counter
applications, 2–23