Allen-Bradley MicroLogix 1000

Preface
MicroLogix 1000 Programmable Controllers User Manual
I–10
DH-485, B-19
limitations for autoswitching, 3-17
bidirectional counter
operation, 12-11
overview, 12-7
bidirectional counter with quadrature encoder
operation, 12-15
overview, 12-7
bidirectional counter with reset and hold
operation, 12-11
overview, 12-7
bidirectional counter with reset and hold with
quadrature encoder
operation, 12-15
overview, 12-7
bit file (B3:), 4-5
bit instructions
Examine if Closed (XIC), 6-4
Examine if Open (XIO), 6-4
OneShot Rising (OSR), 6-7
Output Energize (OTE), 6-5
Output L atch (OTL), 6-5
Output Unlatch (OTU), 6-5
overview, 6-3
bit shift instructions, overview, 11-3
effects on index register S:24, 11-3
Bit Shift L eft (BSL), 11-5
effect on index register S:24, 11-4
entering parameters, 11-3
execution times, 11-5, 11-6
instruction parameters, C-4
using, operation, 11-5
valid file types, C-4
Bit Shift Right (BSR), 11-6
effects on index register S:24, 11-4
entering parameters, 11-3
execution times, 11-5, 11-6
instruction parameters, C-4
using, operation, 11-6
valid addressing modes, C-4
valid file types, C-4
BSL, Bit Shift L eft, 11-5
BSR, Bit Shift Right, 11-6
C
cables
planning routes for DH485 connections,
D-17
selection guide for the AIC+, 3-12
calibating an analog input channel, F-2
CE mark, 1-2
channel configuration
DF1 full-duplex, D-3
DF1 half-duplex, D-6
Clear (CLR), 8-11
execution times, 8-11
instruction parameters, C-4
updates to arithmetic status bits, 8-11
valid addressing modes, C-4
valid file types, C-4
clearing faults, 14-6
CLR, Clear, 8-11
Common T echniques Used in this Manual,
P-6
communication
DeviceNet, 3-18
establishing with controller, 3-17
types of, 13-2
communication protocols
DF1 fullduplex, D-3
DF1 halfduplex, D-5
DH485, D-11
comparison instructions, 7-1, 7-2
about, 7-2
Equal (EQU), 7-3
Greater Than (GR T), 7-4
Greater Than or Equal (GEQ), 7-4
L
ess Than (LES), 7-3
Less Than or Equal (LEQ), 7-4
Limit T est (LIM), 7-6
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