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Turbo PMAC/PMAC2 Software Reference

Turbo PMAC On-line Command Specification 352

See Also:

M-Variables (Computational Features)

On-line commands M{data}={expression}, M{constant}->

Program commands M{data}, M{data}={expression}

M{data}={expression}

Function: Assign value to M-variables.

Scope: Global

Syntax: M{data}={expression}

where:

 {data} is a constant, or an expression in parentheses, for an integer value from 0 to 8191

representing the M-variable number;

 {expression} contains the value to be given to the specified M-variable

M{constant}..{constant}={constant}

where:

 the first {constant} is an integer from 0 to 8190 representing the number of the first M-variable;

 the second {constant} is an integer from 1 to 8191 representing the number of the last M-

variable; it must be at least as great as the first {constant}

 the final {constant} contains the value to be given to the specified range of M-variables

M{constant},{constant},{constant}={constant}

where:

 the first {constant} is an integer from 0 to 8190 representing the number of the first M-variable;

 the second {constant} is an integer from 1 to 8191 representing the number M-variables whose

value is to be set;

 the third {constant} is an integer from 1 to 8191 representing the numerical spacing between each

M-variable whose value is to be set;

 the final {constant} contains the value to be given to the specified set of M-variables

This command assigns the value on the right side of the equals sign to the specified M-variables. It does

not assign a definition (address) to the M-variables; that is done with the M{constant}-

>{definition} command.

If a motion or PLC program buffer is open when the single-variable form of this command is sent to

Turbo PMAC, the command will be entered into the buffer for later execution. If a motion or PLC

program buffer is open when the multiple-variable form of this command is sent, Turbo PMAC will reject

the command with an error, reporting ERR003 if I6 is 1 or 3.

Example:

M1=1

M9=M9 & $20

M102=-16384

M1..8=0

M1,16,2=1 ; Sets M1, M3, M5 … , M31 to 1