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E6198B Switch/Load Unit User Manual
Current Sense Select (W) Base + 3
This register controls the current sense relays of the card.
Since only one current sense channel at a time per slot is
allowed, these channel selects are encoded. This allows for
either none or one current sense relay to be selected. Writing to
this register starts the reed relay timer.
Bit
7-3
Purpose
Undefined
Setting
• Write Only
• Undefined bits are not used.
• Select: 001
- 100
2
2
unselected
001
- corresponds to current sense select on channels 1 and
2
2.
010
- corresponds to current sense select on channels 3 and
2
4.
011
- corresponds to current sense select on channels 5 and
2
6.
100
- corresponds to current sense select on channels 7 and
2
8.
000
or nnn
>100
2
2
2
(Example: Setting the current sense register to 1002 selects
the fourth pair of channels, channels 7 and 8. Therefore
relays K7 and K8 would be closed.)
• Power On/Reset State = 0
Select Value
0,5-7
Relays
none
Channels
None
h
2-0
I Sense Select
X
Channel #'s
valid selects, 000
or 101
2
- means no current sense relay selected
1 (001)
2 (010)
K1, K2
K3, K4
1, 2
3, 4
B
Register Definitions
- 111
2
2
3 (011)
4 (100)
K5, K6
K7, K8
5, 6
7, 8
B-13
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