5730A
Operators Manual
5. There is no SRQ capability when serial remote control is used. The status registers
6. There are three special commands available only for serial/Ethernet/USB remote
Ethernet Interface
The subsequent sections describe how to use an Ethernet interface with the Calibrator.
Set Up and Connect the Ethernet Interface
Refer to the specifications for the LAN network, and proceed as follows to set up the
Ethernet interface for the application:
Touch Setup Menu>Instrument Setup>Remote Port Setup>Ethernet Setup to get to
the Ethernet Setup menu.
When addressing some LAN addresses, computers will often interpret zeros in the IP
address as OCTAL values. As an example, if the IP address is configured from the front
panel as 129.196.017.023 and then a connection to the 5730A Calibrator is attempted,
connect with the IP address 129.196.17.23. Attempts to establish a connection to
129.196.017.023 may result in a connection request to 129.196.15.19.
Set the IP Address
An internet (IP) address is necessary for all internet and TCP/IP communications. If
DHCP is enabled, the 5730A Calibrator will use the dynamic address supplied by the
DHCP server. If the DHCP server fails to supply the address, the IP address will be
shown as "0.0.0.0".
Select the Dynamic Host Configuration Protocol (DHCP)
Dynamic Host Configuration Protocol (DHCP) is a client-server protocol that eliminates
the manual set up of permanent/static IP addresses. The DHCP server provides
configuration parameters (dynamic IP address, subnet mask, and default gateway IP
addresses) that are necessary for a client to participate in an IP network.
DHCP is the easiest way to configure the 5730A Calibrator for remote communication
through the LAN interface. DHCP is enabled by default when the Calibrator is shipped
from the factory. When connected to a network, and the LAN port is enabled, the
Calibrator attempts to retrieve the parameters from a DHCP server necessary for
communications.
To disable or enable DHCP on the Calibrator, from the LAN menu, touch DHCP. If
DHCP is already enabled, ON is shown on the selection label.
5-8
the serial remote interface does not store the subsequent characters: Control/C, Line
Feed (Control/J), Carriage Return (Control/M), Control/R, Control/S (XOFF),
Control/Q (XON). These characters are processed as described above. They cannot
be a part of the *PUD command. The *PUD command terminates with Line Feed or
Carriage Return, the same as all other serial remote commands.
still behave as described in this section, but the Calibrator serial interface does not
have a way to perform the SRQ function.
control. These are described in Table 6-6.
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