
B-63983EN/02 4.LADDER LANGUAGE
- 361 -
4.11.4 WINDW (Writing CNC Window Data: SUB 52)
This function writes various data items via the window between the
PMC and the CNC.
Format
Fig. 4.11.4 shows the ladder format and Table 4.11.4 shows the
mnemonic format.
CT
WINDW
SUB 52
¡¡¡¡
W1
Control data
address
Fig. 4.11.4 Format of WINDW instruction
Table 4.11.4 Mnemonic of WINDW instruction
Mnemonic format Status of operation result
Step
number
Instruction
Address
No.
Bit No. Remarks ST3 ST2 ST1 ST0
1RD ¡¡¡¡ .¡ ACT ACT
2 SUB 52 WINDW instruction
3(PRM) ¡¡¡¡ Control data address
4WRT ¡¡¡¡ .¡ Write completion W1
Control condition
ACT=0: The WINDW function is not executed.
ACT=1: The WINDW function is executed. As soon as writing a data
is completed (W1=1), reset "ACT" once (ACT=0).
Parameter
(a) Control data address
The PMC byte address is used to specify the area where control
data is stored.