CARLO GAVAZZI VMU-C EM, Instruction Manual

Page: 7 / 126

VMU-C
VMU-C Instruction manual 7
All the VMU-M EM devices connected to the COM1 port will have to be set to the
same baud rate.

COM2: communication port for the connection on RS-485 bus of the electric
power meters. The cascade-connected devices can communicate ad different
baud rates (communication speeds) while using different communication
addresses.
You may connect up to 32 instruments (meters and/or analysers).
The following figure lists the compatible instruments as of the current date:
List of the available energy meter drivers
The log data recorded throughout the day shall be available to be shown in graphical form for 6 months.
The daily data, that is the summary values of each day shall be available to be shown in graphical form for 10 years.

Connect the system to the data network through a standard Ethernet cable, using
the LAN communication port configured with the default static IP address
192.168.1.110

Connect the GPRS/EDGE/UMTS/HSDPA modem by means of the VMU-W
module through inner bus (optional).
Once power is supplied to the VMU-C EM, the following LEDs will light up on the front
panel: green “ON” LED (indicating the machine is powered), orange “BUS” LED
(indicating inner BUS activity), orange “COM1” and COM2 LEDs (indicating COM door
activity), blue “USB” LED (indicating the presence of an USB device) and red “AL” LED
(indicating the presence of any alarm condition); when connecting the network cable, the
Ethernet port LEDS will light up as well.
After connecting and powering the VMU-C, access its configuration Web pages as
described in the next chapter.