Mitsubishi Electric CR750-D Series Instruction Manual page 111

M_Trbfct
[Function]
Refer to the number of workpieces which exists in a designated buffer.
[Format]
[Referencing]
< Numeric value > = M_Trbfct(<Buffer number>)
[Terminology]
<Buffer number [integer]> ： (can be omitted.)
Specify the tracking buffer number.
Setting range : 1 to the 1st argument of a parameter "TRBUF"
If the argument is omitted, 1 is set as the default value
< Numeric value [integer]>
The number of workpieces in the designated buffer is returned to< Buffer number>.
[Reference program]
MWrk = M_Trbfct(1)
[Explanation]
(1) You can confirm the number of works in the designated buffer.
(2) You can omit the step to specify <Buffer number>.When it is omitted, buffer number will be treated as "1."
(3) Error L.3110 (value of the argument outside of the range) occurs when <Buffer number> is outside a set
range.
'The number of works in number 1 of tracking buffer is stocked in
variable MWrk.
10 Maintenance of robot program
MELFA-BASIC V Instructions 10-101