Rockwell Automation 1785-Lxxx Enhanced and Ethernet PLC-5 Programmable Controllers - Manual (Page 308)

Publication 1785-UM012D-EN-P - July 2005
D-8 Instruction Set Quick Reference
Arc sine
ASN
Arc tangent
ATN
Average
AVE
Status Bits:
EN - Enable
DN - Done bit
ER - Error Bit
Instruction Description
ASN
ARCSINE
Source
Dest
F8:17
F8:18
0.7853982
0.9033391
When input conditions go true, take the arc sine of the
value in F8:17 and store the result in F8:18.
always resets
sets if overflow is generated;
sets if the result is zero;
Status
C
V
Z
S
Description
Bit
otherwise resets
otherwise resets
always resets
ATN
ARCTANGENT
Source
Dest
F8:21
F8:22
0.7853982
0.6657737
When input conditions go true, take the arc tangent of the
value in F8:21 and store the result in F8:22.
always resets
sets if overflow is generated;
sets if the result is zero;
Status
C
V
Z
S
Description
Bit
otherwise resets
otherwise resets
sets if the result is negative;
otherwise resets
AVE
AVERAGE FILE
File
Control
#N7:1
R6:0
N7:0
4
Dest
Length
Position
0
sets if overflow is generated;
sets if the result is zero;
sets if the result is negative;
When the input conditions go from false-to-true, take the
average of the file #N7:1 and store the result in N7:0.
Status
C
V
Z
S
Description
always resets
Bit
otherwise resets
otherwise resets
otherwise resets