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Bit
Write
E6198B Switch/Load Unit User Manual
7
6
not used
not used
• Read and Write
• Undefined bits read back as all 1s
• Unused bits for write can be either 0 or 1 (does not matter)
• For BUSY~ (Read Only):
0 = Busy
1 = Ready
• For Reset (Write Only):
0 = no change
1 = causes board reset (non-latched)
• For OAR (Write Only):
0 = no change
1 = causes all relays to open (non-latched)
Mezzanine Card #1 Configuration (R) Base + 3
This register reads configuration information from the #1 upper
and #1 lower mezzanine cards. Card configuration is
determined by the user to distinguish different load
configurations. There are four bits available for each card,
which permits identification of the mezzanine card location and
proper orientation. Use the action
this register. Figure shows the layout of the mezzanine cards.
5
4
3
OAR
not used
not used
Register Definitions
2
1
not used
not used
h
to read
loadCardGetInfo
B
0
Reset
B-37
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