
Firmware Update | 6 |
|
With the OSM/ESM it is possible to update the firmware via the serial port.
You can obtain information on the firmware updates for OSM/ESM on the Internet at http://www.siemens.de/automation/service&support
specifying the keyword "OSM Firmware".
To download the firmware you require a PC with Windows 95/98/NT and the Hyperterminal program available under Accessories. The download is explained below based on the dialogs displayed in Hyperterminal.
Preparations
Connect the serial port of your PC and the OSM/ESM with a normal null modem cable . Depending on the port of your PC that you select, you use a cable with a 9- pin or
The following table shows the pinning and the connections for both types of cable:
PC port | connected | ||||||
|
| Female | Female | to | |||
Signal Name | Pin | Pin |
|
|
|
| |
|
|
|
| ||||
TD | (Transmit Data) | 2 | 3 |
|
|
|
|
|
|
|
| ||||
RD | (Receive Data) | 3 | 2 |
|
|
|
|
|
|
|
| ||||
RTS (Request To | 4 | 7 |
|
|
|
| |
|
|
|
| ||||
Send) |
|
|
|
|
|
| |
CTS | (Clear To Send) | 5 | 8 |
|
|
|
|
|
|
|
| ||||
SG | (Signal Ground) | 7 | 5 |
|
|
|
|
|
|
|
| ||||
DSR (Data Set Ready) | 6 | 6 |
|
|
|
| |
|
|
|
| ||||
DTR | (Data Terminal | 20 | 4 |
|
|
|
|
|
|
|
| ||||
Ready) |
|
|
|
|
|
|
OSM port
Female
Pin Signal name
2RD
3TD
8 | CTS |
|
|
7 | RTS |
5 | SG |
4DTR
6DSR
Industrial Ethernet OSM/ESM | 73 |