Siemens simatic hmi op27 Equipment Manual page 133

Commissioning
MPI download If a configuration is already loaded for the SIMATIC S7 on the OP, other S7
configurations can be downloaded to the OP via an MPI connection.
14-4
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Step
1 Switch on the OP power supply.
2 Connect interface IF1B on the OP to the PC or PU using a standard cable
(refer to Section 13.1.2, Configuring interface IF1B). If the OP and PC or
PU have been incorporated on the MPI bus, it is not necessary to switch
cables for the download operation.
3 Position the cursor on the System Settings standard screen at the Operating
Mode symbolic input field.
Select MPI Download mode from the selection box.
4 The OP restarts, displaying the menu illustrated in Figure 14-2 and waits
for data to be downloaded from the PU or PC.
Providing data is not being downloaded to the OP, it is possible to:
S
exit from the MPI download operation by pressing the key
depicted on the right and continue the boot operation
or
S
press the key assigned to the icon depicted on the right to
start the serial download operation.
5 Before downloading, select a baud rate between 9.6 kBd and 1.5 MBd,
selecting from the MPI baud rate input field, if necessary. The same baud
rate must be set on the OP as on the PC/PU.
Start the download operation to the OP on the PC or PU. The procedure is
6
described in the ProTool User's Guide Configuring Graphics Displays.
The OP checks the connection to the PC or PU. If the connection is not
available, or not functioning correctly, the OP issues the corresponding
error message. If the connection is in order, downloading of the configura-
tion firmware commences.
Following successful downloading, the OP restarts and displays the start
screen of the configuration that has just been loaded.
Action
OP27, OP37 Equipment Manual
Release 05/99
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serial-
Downl.