Appendices
A-2
NJ-series Instructions Reference Manual (W502)
A-1 Error Codes Related to Instructions
Error codes are assigned to the errors that can occur when instructions are executed. If an instruction
has an ErrorID output variable, the value of the ErrorID gives you the error code. However, you cannot
get the error codes for instructions that do not have an ErrorID output variable. The following table, how-
ever, gives all of the error codes that can occur for instruction execution. Use this table together with the
information in A-2 Error Code Descriptions and A-3 Error Code Details.
Type Instruction Name Error codes
Ladder Diagram Instruc-
tions
LD Load 16#0406
LDN Load NOT 16#0406
AND AND 16#0406
ANDN AND NOT 16#0406
OR OR 16#0406
ORN OR NOT 16#0406
Out Output 16#0406
OutNot Output NOT 16#0406
ST Statement Instruc-
tions
IF If ---
CASE Case ---
WHILE While ---
REPEAT Repeat ---
RETURN Return ---
FOR Repeat Start ---
EXIT Break Loop ---
Sequence Input Instruc-
tions
R_TRIG (Up) Up Trigger 16#0406
F_TRIG (Down) Down Trigger 16#0406
TestABit Test A Bit 16#0405
TestABitN Test A Bit NOT 16#0405
Sequence Output
Instructions
RS Reset-Priority Keep ---
SR Set-Priority Keep ---
Set Set ---
Reset Reset ---
SetBits Set Bits 16#0405
16#0400
16#0406
ResetBits Reset Bits 16#0405
16#0400
16#0406
SetABit Set A Bit 16#0405
ResetABit Reset A Bit 16#0405
OutABit Output A Bit 16#0405
Sequence Control
Instructions
End End ---
RETURN Return ---
MC Master Control Start ---
MCR Master Control End ---
JMP Jump ---
FOR Repeat Start ---
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