CAMBRIDGE QT Guide d'installation télécharger pdf (Page 21)

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Congure Network Name and IP Address

Creating a static IP address or controller name is not available from

the front panel. The MCS software can congure both the network

name and the IP address (see below). If the system is not connected

to the network, the initial values shown on the front panel are used

when connecting a PC to the QtPro over Ethernet.

If the QtPro is connected to the network, a DHCP server will

dynamically allocate an IP address. The system MAC address is used

by the network system administrator to congure the DHCP server.

NOTE: When connecting a PC directly to the control module, the

control module acts as a DHCP server and serves the DHCP enabled

PC and IP address.

Real-Time Clock or Network Clock

If the QtPro is not connected to the network, it will use a real-time

clock within the controller. This requires the battery for power. This is

often the way time is supplied to the QtPro.

If the QtPro is on the network, it will look for the network clock to

retrieve the time and date. Access to an SNTP server obtains the

SNTP time stamp. The module sends its SNTP request to “pool.ntp.

org” (by default). If the SNTP server is enabled, the real-time clock

feature is disabled. A time server other than the default time server

may be specied on the MCS.

NOTE: When the QtPro is congured in the factory the date and time

is set to Jan 1. Basic operations will work without changing this time.

For any advanced features that require the time of day, either the

network clock or correct setting of the time is required.

Reset System to Default Settings

To clear an error indication (after problem is xed) or reset the

settings to the initial default state, the system should go through a

hard reboot.

Steps for the hard reboot:

1. Unplug the power and wait 15 seconds or more.

2. Hold the up arrow on the front panel and re-connect power.

Release the up arrow once the LCD display shows it is booting.

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CAMBRIDGE QT Guide d'installation Page 21