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What should you watch out for when connecting a SIMATIC HMI device configured with WinCC flexible ES to a SIMATIC ET 200 CPU?

Written by Kang Abu on 3:21 PM

Configuration Notes:
Please note the following points if you wish to connect a SIMATIC HMI operator panel to an ET 200-CPU:

Properties of the ET 200-CPUs

  • ET 200S CPU:
    The IM151-7 CPUs of ET 200S have an MPI/ DP interface:
    In the MPI subnetwork you can use the HMI operator panel to operate the ET 200S CPU via the integrated MPI interface.
    On the PROFIBUS DP the integrated DP interface of the ET 200S CPU can only be used as a DP slave, i.e. in addition to the HMI operator panel you need a DP master (e.g. S7-300 CPU316-2DP) that operates the IM 151-7 CPU as a DP slave.

    If the IM151-7 CPU is operated without DP master on the PROFIBUS DP, communication with the HMI operator works, but a bus error is displayed on the IM151-7 CPU.

    Note:
    With the DP master module (order number: 6ES7138-4HA00-0AB0), which you slot directly next to the ET 200S CPU, you can add a DP interface to the ET 200S, which is configured as DP master. With this master interface module it is then possible to operate the ET 200S without any other DP master on the PROFIBUS DP.

    Requirements:
    In order to be able to use the DP interface on the master interface module you require a CPU, order number 6ES7151-7AA10-0AB0, and firmware version V2.1 or higher.

  • ET 200X CPU:
    The BM147-1 CPUs of ET 200X have an MPI/ DP interface:
    In the MPI subnetwork you can use the HMI operator panel to operate the ET 200X CPU via the interface parameterized as MPI.
    On the PROFIBUS-DP the ET 200X CPU (BM 147-1) can only be used as a DP slave, i.e. in addition to the HMI operator panel you need a DP master (e.g. S7-300 CPU316-2DP) that operates the BM 147-1 as a DP slave.

    The BM147-2 CPUs of ET 200X have an MPI/ DP interface that can be parameterized as MPI or as a DP slave, and another DP master interface.
    In the MPI subnetwork you can use an HMI operator panel to operate the ET 200X CPU via the interface parameterized as MPI.
    On the PROFIBUS DP the ET 200X CPU BM 147-2 can operate on the one hand as a DP slave with an additional DP master (e.g. an S7-300 CPU 315-2DP). On the other hand the BM147-2 CPU can also communicate as DP master with the HMI operator panel via the DP master interface.

Warning:
The ET 200-CPU is configured in the SIMATIC Manager in a
SIMATIC S7-300 station.

Options for connecting an HMI operator panel to the ET 200 CPUs

Connecting the HMI operator panel via MPI to the ET 200 CPU
You can connect the HMI operator panel via MPI directly to an IM151 CPU or BM147 CPU.

( 7 KB )
Fig. 1: HMI station connected to ET 200S CPU via MPI

Setting in the STEP 7 Hardware Configuration
In the Properties dialog of the MPI/DP interface of the ET 200 CPU you set the type of interface to MPI and then connect the station to the MPI subnetwork.

( 11 KB )
Fig. 2: ET 200 CPU connected to MPI

Settings in the STEP 7 Hardware Configuration of the SIMATIC HMI station
Double-click the HMI MPI/DP interface of the HMI station and network this via MPI with the ET 200 CPU.

( 28 KB )
Fig. 3: HMI station networked with MPI

Enabling the connection in WinCC flexible ES
Open the HMI station with WinCC flexible ES. Under Communication > Connections you enable the connection already created to the ET 200 CPU.

Note:
The "Cyclic operation" option must be deselected.

( 81 KB )
Fig. 4: Enabling the connection in WinCC flexible

Connecting the HMI operator panel via PROFIBUS DP to the ET 200 CPU

  1. Version: CPU 316-2DP as DP master, ET200 CPU as DP slave
  2. Version: ET200S CPU with DP master module
  1. Version: CPU 316-2DP as DP master, ET200 CPU as DP slave

The ET 200 CPU is operated as DP slave on the PROFIBUS DP subnetwork, i.e. in addition to the HMI operator panel and the ET 200 CPU (IM151 CPU or BM147 CPU) you need a DP master (e.g. S7-300 CPU 316-2DP) on the PROFIBUS DP subnetwork.

( 9 KB )
Fig. 5: HMI station connected to ET 200 CPU via PROFIBUS DP

Settings in the STEP 7 Hardware Configuration of the ET 200 CPU for supporting ALARM_S messages
In order for the ET 200 CPU to support the ALARM_S service, in the Properties of the DP interface of the IM151 CPU or BM147 CPU under Operating Mode you must enable the option Test, commissioning, routing.

( 11 KB )
Fig. 6: Enabling "Test, commissioning, routing"

Settings in the STEP 7 Hardware Configuration of the S7-300 DP master
Once you have networked the ET 200 CPU with PROFIBUS DP, open the Hardware Configuration of the DP master station (CPU 316-2DP) and there you configure the ET 200 CPU as a DP slave.

( 12 KB )
Fig. 7: ET 200 CPU as DP slave

Settings in the STEP 7 Hardware Configuration of the SIMATIC HMI station
Double-click the HMI MPI/DP interface of the HMI station and network it with the ET 200 CPU via PROFIBUS.

( 26 KB )
Fig. 8: HMI station networked with PROFIBUS

Enabling the connection in WinCC flexible ES
Open the HMI station with WinCC flexible ES. Under Communication > Connections you enable the connection already created to the ET 200 CPU.

Note:
The "Cyclic operation" option must be deselected.

( 83 KB )
Fig. 9: Enabling the connection in WinCC flexible

  1. Version: ET200S CPU with DP master module

The ET 200S is operated with the DP master interface module as DP master on the PROFIBUS DP. The HMI operator panel is connected to the master module via PROFIBUS.

( 9 KB )
Fig. 10: HMI operator panel connected to DP master module via PROFIBUS DP

Settings in the STEP 7 Hardware Configuration
Network the DP master module of the ET 200S with a newly created PROFIBUS network.
The master interface module is located in the Hardware Catalog in the project tree from which you configured the IM151-7 CPU.

( 13 KB )
Fig. 11: DP master module connected to ET200S

Settings in the STEP 7 Hardware Configuration of the SIMATIC HMI station
Double-click the HMI MPI/DP interface of the HMI station and network it with the DP master module of the ET 200 CPU via PROFIBUS.

( 27 KB )
Fig. 12: HMI station networked with PROFIBUS

Enabling the connection in WinCC flexible ES
Open the HMI station with WinCC flexible ES. Under Communication > Connections you enable the connection already created to the ET 200 CPU.

Note:
The "Cyclic operation" option must be deselected.

( 79 KB )
Fig. 13: Enabling the connection in WinCC flexible

Connecting the HMI operator panel (MPI) via routing (CPU 316-2DP: DP master) to the ET 200 CPU (DP slave)
The ET 200 CPU (IM151 CPU or BM147 CPU) is operated as a DP slave on an S7-300 CPU 316-2DP (DP master). The HMI operator panel is connected to the S7-300 via MPI. Via routing (MPI <-> PROFIBUS DP) a connection is set up between the HMI operator panel and the ET 200 CPU.

( 10 KB )
Fig. 14: HMI operator panel connected to the ET 200 CPU via routing

Settings in the STEP 7 Hardware Configuration of the ET 200 CPU for supporting ALARM_S messages
In order for the ET 200 CPU to support the ALARM_S service, in the Properties of the DP interface of the IM151 CPU or BM147 CPU under Operating Mode you must enable the option Test, commissioning, routing.

( 11 KB )
Fig. 15: Properties of the DP interface

Settings in the STEP 7 Hardware Configuration
Once you have networked the ET 200 CPU with PROFIBUS DP, open the Hardware Configuration of the DP master station (CPU 316-2DP) and there you configure the ET 200 CPU as a DP slave. The S7-300 station must also be networked with MPI.

( 12 KB )
Fig. 16: ET 200 CPU as DP slave

Settings in the STEP 7 Hardware Configuration of the SIMATIC HMI station
Double-click the HMI MPI/DP interface of the HMI station and network it with the DP master module of the S7 -300 CPU (CPU 316-2DP) via MPI.

( 28 KB )
Fig. 17: HMI station networked with MPI

Enabling the connection in WinCC flexible ES
Open the HMI station with WinCC flexible ES. Under Communication > Connections you enable the connection already created to the ET 200 CPU.

( 80 KB )
Fig. 18: Enabling the connection in WinCC flexible

Note:
The "Cyclic operation" option must be deselected.

Overview: HMI operator panels with ET 200 CPU

HMI operator panel

Communication
HMI operator panelwith
ET 200 CPU

Alarm_S messages supported

ProAgent
options package
supported
OP77B X X -
TP170micro - - -
TP177micro - - -
TP170A X - -
TP177A X - -
TP170B X X -
TP177B X X -
OP170B X X -
OP177B X X -
Mobile Panel 170 X X -
Mobile Panel 177 X X -
TP270 X X X
TP277 X X X
OP270 X X X
OP277 X X X
MP270 X X X
MP270B X X X
MP277 X X X
Mobile Panel 277 X X X
MP370 X X X
ProTool/Pro RT X X X
WinCC flexible RT X X X
Table 1: HMI operator panels with ET 200 CPU

Note:
More information on configuring Alarm_S messages and the display on the operator panel is available in the Support Shop in Entry ID: 24013249.

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