Mitsubishi Electric MELSEC-Q/L

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6 BASIC INSTRUCTIONS

6.2 Arithmetic Operation Instructions

239

Operation error

• In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into SD0.

Program example

• The following program adds the BCD data at D3 and D4 to the BCD data at Z1 and Z2 when X20 goes ON, and stores the

result at R10 and R11.

Error

code

Error details Q00J/

Q00/

Q01

QnH QnPH QnPRH QnU LCPU

4100 The (S1) or (S2) BCD data is outside the 0 to 99999999 range. 

[Ladder Mode] [List Mode]

Step

Instruction

Device

Mitsubishi Electric MELSEC-Q/L - Page 241