CIRCUTOR QNA500 series - Manual (Page 29)

POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual 29 / 111
7.1.2.- NTP SYNCHRONIZATION
NTP synchronization allows to QNA500 modules to synchronize its clocks with milliseconds of
resolution.
This synchronization allows that many devices works with the same date and time, avoiding errors with
different time flags in data.
M-BASE is able to synchronize all modules connected to itself by activating this option. You can set up
to 2 different NTP servers, a primary server and an auxiliary server.
To configure NTP synchronization is mandatory to set-up following fields:
NTP IP: IP address of the NTP server.
NTP Port: port number of the NTP server.
Additionally, you can check if communication is working properly using ‘Get Time’. If communication is
working properly, you will see UTC Time. If not, you will see 00/00/00 00:00:00.
7.1.3.- DEVICE NUMBER CONFIGURATION
MULTIFIT system allows to assign a device number to each module and an IP address. Device
number must be unique in the bus and cannot be repeated by any-other MULTIFIT module or a device
in the RS485 connected to a M-BASE. If this happens, modules will detect a repeated device number
an communications won’t work correctly.
M-BASE works as a GATEWAY of other devices connected to the RS-485 port (i.e. power analyzers
CVM). It’s very important to check that these devices have different device number of the MULTIFIT
modules.