Allen-Bradley MicroLogix 1400 User Manual

Publication 1766-RM001A-EN-P - October 2008
236 Math Instructions
MATH FLAGS EFFECTS
• Carry: shall be set or reset based on the result of the last instruction
in the Expression.
• Overflow: shall be set any time an overflow occurs during the
evaluation of the Expression. This bit never cleared in the CPT
instruction.
• Zero: shall be set if the lower 31 bits of float result of Destination are
all zero (handles negative zero), otherwise reset.
• Sign: shall be set if the most significant bit of Destination is set (bit
31 for float), otherwise reset.
The Math Overflow Trap Bit shall ONLY be set if the Overflow bit is set.
Otherwise, it remains in last state.
Covert to BCD TOD
From BCD to Binary FRD
Natural Log LN
Base 10 Log LOG
Tangent TAN
Sine SIN
Cosine COS
Arc Tangent ATN
Arc Sine ASN
Arc Cosine ACS
Absolute Value ABS
Radians to Degrees DEG
Degrees to Radians RAD
X to the Power Y * *(XPY)
CPT Instruction Operation
Sub Instructions Symbol
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Allen-Bradley MicroLogix 1400 Specifications

General

Processor	32-bit
Expansion Modules	Up to 7 expansion I/O modules
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Communication Ports	Ethernet, RS-232/RS-485 combo port
Controller Type	Programmable Logic Controller (PLC)
Series	MicroLogix
Digital Outputs	12
Analog Inputs	6 (embedded)
Analog Outputs	2 (embedded)
High-Speed Counter	6 high-speed counters
Pulse Output	2 (embedded)
Ethernet Port	Yes