Linking To The Basic Plc And User Program - Siemens SINUMERIK 840DiE sl Manual

8 PROFIBUS DP Communication
8.7 DP slave: MCP 483
Setting the I/O
addresses
8.7.5

Linking to the basic PLC and user program

8-216
Module: standard, extended
The module transfers the data for the "Standard" and "Additional I/Os" functions:
Input data: 13 byte
S
Direct control
Standard data
keys (OP 012)
(8 bytes)
(2 bytes)
Low byte
S Output data: 10 bytes
Standard data Reserved
(8 bytes) (1 byte)
Low byte
Module: standard, handwheel, extended
The module transfers the data for the "Standard", "Handwheel" and "Additional
I/Os" functions:
Input data: 17 byte
S
Absolute value
Standard data
1st handwheel
(8 bytes)
(2 bytes)
Low byte
S Output data: 10 bytes
Reserved
Standard data
(1 byte)
(8 bytes)
Low byte
When you insert a module in slot 1 of DP slave: MCP 483 the input/output
addresses of STEP 7 are automatically assigned.
Double clicking with the left mouse button on a slot opens the "Properties -- DP
slave" dialog box. The starting addresses for the I/O data for the slot can be set
here.
This section describes how to link DP slave: MCP 483
S to the PLC basic program for transferring standard I/O data to the VDI inter-
face
to the PLC user program (optional) to implement a user--specific response to
S
a module failure
1st rotary
Customer keys
switch
(1 byte)
(1 byte)
Customer
LEDs
(1 byte)
High byte
Absolute value Direct control
keys (OP 012)
2nd handwheel
(2 bytes)
(2 bytes)
1st rotary
Customer keys
switch
(1 byte)
(1 byte)
Customer LEDs
(1 byte)
High byte
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) - - 01/2007 Edition
01/2007
2nd rotary
switch
(1 byte)
High byte
2nd rotary
switch
(1 byte)
High byte