Siemens sinumerik fm-nc - Example of a Configuration of HHU Via MPI

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03.96
3.3 Connection of a 2nd MCP/customer OPI and/or 1 HHU (up to SW 3.1)
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SINUMERIK 840D Installation and Start-Up Guide (IAD) – 04.00 Edition
3.3.4 Example of a configuration of HHU via MPI
STEP7 version 1.x and HHU with firmware version 01_01_02.
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MMC
100/102/103
1
1 MCP
15
6
OPI
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NCK
PLC
X101
SINUMERIK 840D
MPI
187.5 kbaud
13
13
2
X122
OPI
Inputs: MB 20 – 26
Outputs: MB 0 – 19
Status double word: MD 26
Distribu-
tion box
HHU
Fig. 3-7 Example of configuration of HHU via MPI
Set up new project with the name Example.
You must set up 2 CPU programs for the Sample project.
S AS314
S HHU
The 2 CPU programs are assigned as follows:
AS314 is for the PLC–CPU, HHU for the handheld unit.
Preconditions
Call STEP 7
Assignment of
CPU programs
3 Settin
g
s, MPI / OPI