Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 378)

Index
I-16
INVALID DATE/TIME PUSHED,
C-4
INVALID INPUT DATA, C-4
INVALID MTOP ADDRESS
ENTERED, C-5
INVALID NUMBER PUSHED,
C-4
INVALID VALUE PUSHED, C-4
J
JEDEC standard, memory
modules, 3-4
JW1, watchdog timer, 1-4
JW2, memory module, 1-4
JW3, CPU speed, 1-5
JW4, operating mode, 1-5
JW5, backplane configuration, 1-6
JW6, PRT2 communication rate,
1-7
See also PROG1, PROG2,
MODE
JW7, battery enable, 1-8
See also CALLs 73, 74, 80
JW8, PRT1 configuration, 1-8
JW9, PRT2 configuration, 1-8
See also communication modes
K
keying, 1-10, A-11
L
ladder logic
CALl 118, 13-56
CALL 122, 13-65
CALL 123, 13-74
CALL 32, 12-22
CALL 33, 12-28
CALL 34, 12-33
CALL 49, 12-49
CALL 50, 12-57
LD@, 11-18
See also ST@, CALL 77
leased phone lines for DF1
communication, 2-10
LED indicators, SOC-1, A-2,
A-4, C-1
reading, 1-13
See also troubleshooting
user control, CALL 112, 13-47
LEN, 10-17, 10-18
special function operator, 9-17
length of string, CALL 68, 12-67
less than (<), relational operator,
9-9
less than or equal to (<=),
relational operator, 9-9
LET, 11-19
lights, A-4, C-1
See also LED indicators
link coupler, ordering, A-13
LIST, 10-9
LIST #, 10-9
LIST @, 10-9
lithium battery condition, 13-9
See also JW7
lithium battery disposal, 3-8
LOG, logarithmic operator, 9-13
logarithmic operators, 9-13
EXP, 9-13
See also **
LOG, 9-13
logical bitwise operators, 9-7
logical operators
.AND., 9-7
.OR., 9-8
.XOR., 9-8
M
manual organization, Using-2
math calls, 7-4
See also Chapter 8
math precision, A-12
maximum communication
distances, A-12
memory modules
PROG1, 10-12
PROG2, 10-13
MEMORY ALLOCATION, C-3