Yaskawa MP900 Series Ladder Programming Manual - Manual (Page 383)

A.4 Overview of User Operation Error Status
A-9
System Registers
AppA
A.4 Overview of User Operation Error Status
Details are given in registers SW00080 to SW00089 when a user operation error occurs in a program.
( 1 ) User Operation Error Code -1
Name
Register
Address
Contents
DWG.A
Error Count SW00080 • Error Count
Gives the number of errors that have occurred.
• Error Code
Refer to ( 1 ) User Operation Error Code -1 or ( 2 ) User Operation Error
Code -2 for information on error codes.
Error Code SW00081
DWG.I
Error Count SW00082
Error Code SW00083
DWG.H
Error Count SW00084
Error Code SW00085
DWG.L
Error Count SW00088
Error Code SW00089
Bit 15 12 Bit 11 0
Error Code Index error
Error Code Error Description System Default
In
te
ger O
perati
ons
0001 hex Integer operation underflow -32,768
0002 hex Integer operation overflow 32,767
0003 hex Integer operation division error The A register stays the same.
0009 hex Double-length integer operation underflow -2,147,483,648
000A hex Double-length integer operation overflow 2,147,483,647
000B hex Double-length integer operation division error The A register stays the same.
Rea
l Number O
perat
ion
s
0010 hex Non-numerical integer storage error Data is not stored. [00000]
0011 hex Integer storage underflow Data is not stored. [-32,768]
0012 hex Integer storage overflow Data is not stored. [ + 32,767]
0021 hex Real number storage underflow Data is not stored. [-1.0E + 38]
0022 hex Real number storage overflow Data is not stored. [1.0E + 38]
0023 hex Real number operation division by zero error Data is not stored. [F register stays the same.]
0030 hex Invalid real number operation (not a number) Data is not stored.
0031 hex Real number operation exponent underflow 0.0
0032 hex Real number operation exponent overflow Maximum Value
0033 hex Real number operation division error (0/0) Operation is not executed.
0034 hex Real number storage exponent underflow A value of 0.0 is stored.
0035 hex Real number operation stack error –
0040 to 0059 hex
Real number operation error in standard system
function
Operation is aborted and output is set to 0.0.
0040 hex: SQRT 0041 hex: SIN 0042 hex: COS 0043 hex: TAN
0044 hex: ASIN 0045 hex: ACOS 0046 hex: ATAN 0047 hex: EXP
0048 hex: LN 0049 hex: LOG 004A hex: DZA 004B hex: DZB
004C hex: LIM 004D hex: PI 004E hex: PD 004F hex: PID
0050 hex: LAG 0051 hex: LLAG 0052 hex: FGN 0053 hex: IFGN
0054 hex: LAU 0055 hex: SLAU 0056 hex: REM 0057 hex: RCHK
0058 hex: BSRCH 0059 hex: SORT
For an index error, 1000, 2000, or 3000 hex is added.