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Allen-Bradley MicroLogix 1400 User Manual

Allen-Bradley MicroLogix 1400
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Publication 1766-RM001A-EN-P - October 2008
8 Table of Contents
ENC - Encode
1-of-16 to 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
FRD - Convert from Binary Coded Decimal (BCD) . . . . . . . . 246
TOD - Convert to Binary Coded Decimal (BCD) . . . . . . . . . 250
GCD - Gray Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Chapter 13
Logical Instructions Using Logical Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Updates to Math Status Bits . . . . . . . . . . . . . . . . . . . . . . . . . 256
AND - Bit-Wise AND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
OR - Logical OR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
XOR - Exclusive OR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
NOT - Logical NOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Chapter 14
Move Instructions MOV - Move . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
MVM - Masked Move . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Chapter 15
File Instructions CPW - Copy Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
COP - Copy File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
FLL - Fill File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
BSL - Bit Shift Left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
BSR - Bit Shift Right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
FFL - First In, First Out (FIFO) Load . . . . . . . . . . . . . . . . . . . 277
FFU - First In, First Out (FIFO) Unload . . . . . . . . . . . . . . . . 279
LFL - Last In, First Out (LIFO) Load . . . . . . . . . . . . . . . . . . . 282
LFU - Last In, First Out (LIFO) Unload . . . . . . . . . . . . . . . . . 284
SWP - Swap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Chapter 16
Sequencer Instructions SQC- Sequencer Compare . . . . . . . . . . . . . . . . . . . . . . . . . . 288
SQO- Sequencer Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
SQL - Sequencer Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Chapter 17
Program Control Instructions JMP - Jump to Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
LBL - Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
JSR - Jump to Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
SBR - Subroutine Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
RET - Return from Subroutine . . . . . . . . . . . . . . . . . . . . . . . 299
SUS - Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
TND - Temporary End . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
END - Program End . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
MCR - Master Control Reset . . . . . . . . . . . . . . . . . . . . . . . . . 300
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Allen-Bradley MicroLogix 1400 Specifications

General IconGeneral
Processor32-bit
Expansion ModulesUp to 7 expansion I/O modules
Power Supply24V DC or 120/240V AC
Programming SoftwareRSLogix 500
Communication PortsEthernet, RS-232/RS-485 combo port
Controller TypeProgrammable Logic Controller (PLC)
SeriesMicroLogix
Digital Outputs12
Analog Inputs6 (embedded)
Analog Outputs2 (embedded)
High-Speed Counter6 high-speed counters
Pulse Output2 (embedded)
Ethernet PortYes

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