Allen-Bradley MicroLogix 1200 Reference Manual

Publication 1762-RM001C-EN-P
10-6 Math Instructions
NEG - Negate
Instruction Type: output
Use the NEG instruction to change the sign of the Source and place the
result in the Destination.
CLR - Clear
Instruction Type: output
Use the CLR instruction to set the Destination to a value of zero.
NEG
Negate
Source N7:0
0<
Dest N7:1
0<
NEG
Table 10.5 Execution Time for the NEG Instruction
Controller Data Size When Rung Is:
True False
MicroLogix 1200 word 2.9
µ
s0.0
µ
s
long word 12.1
µ
s0.0
µ
s
MicroLogix 1500 word 1.9
µ
s0.0
µ
s
long word 10.4
µ
s0.0
µ
s
CLR
Clear
Dest N7:0
0<
CLR
Table 10.6 Execution Time for the CLR Instruction
Controller Data Size When Rung Is:
True False
MicroLogix 1200 word 1.3
µ
s0.0
µ
s
long word 6.3
µ
s0.0
µ
s
MicroLogix 1500 word 1.2
µ
s0.0
µ
s
long word 5.5
µ
s0.0
µ
s

Allen-Bradley MicroLogix 1200 Specifications

General

Brand	Allen-Bradley
Model	MicroLogix 1200
Category	Control Unit
Language	English