Model 6220/6221 Reference Manual Delta, Pulse Delta, and Differential Conductance 5-11
Return to Section 5 topics
Model 622x communications
For Delta, Pulse Delta, and Differential Conductance, the Model 622x uses two
interfaces for communications. It uses the RS-232 to communicate with the Model
2182/2182A, and it uses the GPIB or Ethernet (Model 6221 only) to communicate
with the PC.
Configure the Model 622x for communications as follows:
1. RS-232 – On the Model 622x, press the COMM key and then select RS-232
from the communications setup menu:
a. Set the BAUD rate to 19.2K.
b. Set FLOW CTRL (flow control) to NONE.
c. Press the ENTER key.
The Model 622x will reboot if RS-232 was not the previously selected
communications interface.For details on RS-232 configuration for the
Model 622x, see Section 10.
2. GPIB or Ethernet – The GPIB or the Ethernet (Model 6221 only) must be
the selected interface to allow communications with the PC:
On the Model 622x, press the COMM key and then select GPIB or
ETHERNET (6221 only) from the communications setup menu:
• GPIB – Set the IEEE-488 address (0 to 30).
• Ethernet (6221) – Set the IP, Gateway, Subnet, and DHCP.
After configuring the GPIB or Ethernet, press ENTER. The configured
communications interface will be selected and the Model 622x will reboot.
See Section 10 for details on configuring the GPIB and Ethernet.
Arming process
After a delta test is configured, it must be armed before it can be run. The details
to configure, arm, and run each delta test are provided in Part 2 (page 5-20) of
this section. The arming operations that are common to all three delta tests (Delta,
Pulse Delta, and Differential Conductance) are covered here.
Additional arming information that is unique to each delta test, can be found at the
following locations:
• Additional “Arming process” information for Delta is provided on page 5-24.
• Additional “Arming process” information for Pulse Delta is provided on
page 5-42.
• Additional “Arming process” information for Differential Conductance is pro-
vided on page 5-56.
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