Siemens SINUMERIK 840Di - MPI Parameterization of the PLC

06.03
5.6 Handheld unit (HHU)
5-155
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
The MPI address is set to F
H
= 15
D
by default. This address can normally be
kept.
Table 5-3 MPI addresses that can be set using S2
S2
MPI address
1 2 3 4
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
F
H
= 15
D
(default address)
E
H
= 14
D
D
H
= 13
D
C
H
= 12
D
B
H
= 11
D
A
H
= 10
D
9
8
7
6
5
4
3
2
1
0
After the HHU has been electrically connected, the message: “Waiting for PLC”,
the software version and the MPI address are displayed on the screen until no
communication between HHU and PLC takes place.
SIEMENS
Waiting for PLC
V04.01.01 F
Software Version: Version 4.1.1 MPI Address: F
H
= 15
D
Fig. 5-11 Software version and MPI address
5.6.4 MPI parameterization of the PLC
The PLC program has a modular structure. It consists of the following function
blocks:
S Runup and synchronization (OB 100)
S Cyclic operation (OB 1)
S Process alarm processing (OB 40).
The user (machine manufacturer) must call the relevant part of the basic
program in the OBs 1, 40 and 100, as shown in Fig. 5-12.
MPI address
Display of soft-
ware version and
MPI address
Program structure
5 MPI Communication