Chapter 6 Device Control and Upgrading Upgrading Device Firmware
118 PM135 Powermeter Series
Figure 6-5: Device Control Dialog Box – Remote Relay Control Tab
To send a remote command to a relay:
1. Select a desired command in the
Relay Command box for a relay:
OPERATE – to operate a relay
RELEASE – to remove your remote
command, or to release a latched
relay
2. Click Send.
6.5 Upgrading Device Firmware
Your meter has upgradeable firmware. If you need to upgrade your
device, download a new firmware file to the meter through PAS.
Firmware can be downloaded via the Modbus RTU or Modbus/TCP protocol
through any communication port.
To download a new firmware file to your device:
1. Ensure that the communication port
you are connected through to the
meter operates in Modbus mode.
2. If you are connected to the meter
through a serial interface, it is
recommended to set the port baud
rate to 115,200 bps. See Setting Up
Serial Communication Ports on how
to remotely change the protocol and
baud rate in your meter.
3. Ensure that the On-line button on
the PAS toolbar is checked, and
then select Flash Downloader
from the Monitor menu and
confirm downloading.
4. Point to the firmware upgrade file
for your meter, click Open, and then
confirm upgrading the meter.
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