5-54 E6198B Switch/Load Unit User Manual
5 Using Load Cards and Loads
Using the Agilent E6178B 8-Channel Load Card
The Agilent E6178B 8-channel heavy duty load card with
current sensing is intended to be used with high power loads
mounted outside the Switch/Load Unit. Figure 5-39 shows a
block diagram of the Agilent E6178B. Figure 5-40 shows the
layout of the E6178B card.
• The card occupies two slots in the Switch/Load Unit. “Card
Location Recommendations"
• The card type is 04
h
. “Load Card Type and Configuration ID"
• Power supply connections are made directly from the
external power supplies to the load card - not through the
Agilent E6198B Switch/Load Unit Power Supply Buses. Each
channel is capable of up to 30 Amps continuous carry into a
resistive load. “Selecting a Power Supply Configuration"
• The Common line (PwrX where X is the channel number) on
the input is brought back out to the input, allowing each
channel to operate in a general-purpose (GP) configuration.
This lets you switch in a special external power supply while
bypassing the power bus of the SLU, for example. “Selecting a
Power Supply Configuration"
It is possible to close more than one channel at a time. The power
supply connections to the load card and individual channels are
rated for 30 amps maximum continuous. Do not exceed these
specifications.
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