Mitsubishi Electric MELSEC-Q/L Programming Manual page 772

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Module ready status

Module installation status

*1 The Universal model QCPU used in the multiple CPU system is turned ON during the online module change of the module controlled by

the other CPU.

• The value of n1 is specified by the first 3 digits of the hexadecimal 4 digits that represent the head I/O number of the

module from which the module information is read.

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.

Error details

n1 is a value other than 0 to FFH.

n2 is a value other than 0 to 256.

The total of n1 and n2 is equal to or greater than 257.

n1 is a value other than 0 to 3FH.

n2 is a value other than 0 to 64.

The total of n1 and n2 is equal to or greater than 65.

n1 is a value other than 0 to FH.

n2 is a value other than 0 to 16.

The total of n1 and n2 is equal to or greater than 17.

The range of the device specified by (D) exceeds the range from (D) to

(D)+n2 (including (D)).

*2 For only L06CPU, L06CPU-P, L26CPU, L26CPU-P, L26CPU-BT, and L26CPU-PBT

*3 For only L02SCPU, L02SCPU-P, L02CPU, and L02CPU-P

7 APPLICATION INSTRUCTIONS

7.19 Other Instructions

0: Module error occurred

1: A series module

0: Q series module

1: Modules are installed.

0: No modules are installed.

Head I/O number configured in

the I/O assignment setting

Specify K4 or H4 as the head I/O number to be read.

Specify K6 or H6 as the head I/O number to be read.

Head I/O number configured in the

I/O assignment setting