Siemens SINUMERIK 880 GA2, Руководство по планированию

Страница: 311 / 463

11 Data Transfer PLC/NC/COM (DB 36) 05.91
11.1 Introduction
Data transfer on PLC initiative
The PLC user program parameterizes the function macros FB 61 (read NC data) and FB 62
(write NC data) and calls them.
Data transfer on PLC initiative
a a a a a a a a
a a a a a a a a
a a a a a a a a
a a a a a a a a
a a a a a a a a
a a a a a a a a
NC
a a a a a a a a
a a a a a a a a
a a a a a a a a
a a a a a a a a
a a a a a a a a
a a a a a a a a
PLC
Command
Data type
Data
Write data
NC
FB 61
FB 62
DB
Read data
NC
Data driver
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a a
a a a a a a a a a a a
a a a a a a a a a a a
Data
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a a a a
a a a a a a a a a a
a a a a a a a a a a Data
With data transfer activated by the PLC, the following NC data, among others, can be
read/written:
– Machine data – External setpoints
– Setting data – Program data and lengths
– Tool offsets – Program selections
– Zero offset – R parameters
– Actual values – NC alarms
– Setting data for spindle converter – Date and time
Refer to the description of the function macros FB 61/FB 62 for a complete list of the NC data
to which the PLC has access.
11–2
© Siemens AG 1991 All Rights Reserved 6ZB5 410-0HE02
SINUMERIK 880 (PJ)