MTI Proforma 300EMI, Руководство пользователя

Страница: 15 / 32

MTI Instruments Technical Manual 7001-0005
Revision 1.0 November 5, 2013
8
2.3.6 Electrical Connections
2.3.6.1 AC Mains Connections
The Proforma™ Series products require mains input voltage of 100 to 240VAC, 50 to 60Hz.
The power inlet receptacle is a standard IEC 320 C14 connector. Included in the box with the
Proforma™ Series of products is a power cord that has an IEC 320 C13 connector at one
end and a connector that is consistent with the local power requirements of the initial ship
destination of the product.
2.3.6.2 Serial Port (RS232) Connection
The rear panel has a standard DB9 male serial port connector (RS232). The Proforma™
Series products operate as DTE (Data Terminal Equipment) devices. As a result, when
connecting to another device such as a PC, a serial crossover cable is required. Included in
the box with the Proforma™ Series products is a serial null modem crossover. The baud rate
and the mode configuration is addressed in the software support manual.
2.3.6.3 Ethernet Connection
The Proforma™ Series products can be directly connected to a Local Area Network (LAN) or
to local PC via an Ethernet connection. The rear panel has a standard RJ45 Ethernet port.
The product software supports both DHCP (Automatic IP assignment) or a Static connection.
When connecting to a LAN, a standard Cat 5 or better cable is recommended. When
connecting directly to a PC, the Cat 5 cable must be a crossover (null) type cable. The direct
PC connection will be configured statically. Configuring for an Ethernet connection is
addressed in the software support manual.
2.3.6.4 VGA Port
The rear panel VGA port is provided for diagnostic and factory purposes only. Do not
connect a monitor to this product unless instructed to do so by MTI personnel or their
representatives.
2.3.6.5 USB Port (Proforma™ 300i and Proforma™ 300Gi)
The Proforma™ 300i and the Proforma™ 300Gi have a single USB port located on the front
panel. This port is used with a standard USB flash drive to provide a convenient method to
transport measurement data and export the on board manual. This port is also used to
import Firmware upgrades.
2.3.6.6 Probe Input Connectors (Proforma™ 300OEMi)
The front panel of the Proforma™ 300OEMi has 4 BNC connectors which connect to the
probes. Each one of the probe branches will be labeled (1A,1B for the top probe and 2A,2B
for the bottom probe). Simply match up the probe branches with the label on the front panel
and make the connection. Note that failing to connect the branches to the correct inputs will
cause poor performance.
2.3.6.7 Ground Lug (Proforma™ 300OEMi)
The front panel of the Proforma™ 300OEMi has a single ground lug. Connect this to the
probe holder frame using 7/0.2, 30/0.1 (24AWG) or larger wire. The total resistance between
the probe holder frame to this ground lug must be less than 0.5
Ω
. When making the
resistance measurement, the use of a 4 point probe or other means to compensate for the
resistance probe cables is recommended.
2.3.7 Power Up
Double check all electrical connections. Once the connection check is complete, use the switch
on the rear panel to turn the unit on. Typically, the unit will require 30minutes to warm up to
operating temperature. If the unit was stored in an area where the space temperature change is
significantly different, it may take more than 30 minutes for the mass of the unit to thermally
acclimate to the new environment. In order to maintain its constant operating temperature, the
unit should remain powered at all times.