AN3975

System setup

Doc ID 022170 Rev 1

13/26

5.2

Communication setup

In order to be able to run the application, the following steps must be completed after correct

setup of the HW:

1.

Flash the FW: PC_USB_to_PRIME project into the connectivity gateway (STEVAL-

PCC012V1) node connected to ST7590 base node.

2.

Flash the FW: PMeter_RS485_to_PRIME project into the connectivity gateway

(STEVAL-PCC012V1) node connected to ST7590 service node.

3.

Power up both the connectivity gateways (STEVAL-PCC012V1) (with 5 V DC power

supply).

4.

Power up the power meter.

5.

If necessary, install the Virtual COM port driver supplied by STMicroelectronics. This

driver is supplied within the firmware package.

6.

connectivity gateway (STEVAL-PCC012V1) connected to base node.

7.

Setup the Virtual COM port setting according to needs (“Speed”, “Data bits”, “Parity”,

etc.):

Figure 8.

Windows COM port setting dialog

8.

Open the Virtual COM port in Windows HyperTerminal or another application used for

AMR (automatic meter reading).

9.

Power up the power line modems from mains and wait for modem interconnection.