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B
Register Definitions
Bit
7
Purpose
Pwr47-48
Setting
state
B-56
• State: 1 = NO, shorted to Pwr node
• State: 0 = NC, shorted to Pwr node
• Power On/Reset State = 0 (all channels connected to NC)
Power Select 33-48 (W) Base + 14
This register controls the Pull Up/Down Power Select armature
relays for channels 33-48. Each bit controls power shared by two
channels. These relays are Form C and the register uses positive
logic: 1 = NO shorted to COM, NC is open; 0 = NC shorted to
COM, NO is open. The power buses selected are determined by
how the card is configured. Writing to this register starts the
relay timer.
6
5
Pwr45-46
Pwr43-44
state
state
• Write Only
• State: 1 = NO, shorted to Pwr node
• State: 0 = NC, shorted to Pwr node
• Power On/Reset State = 0 (all channels connected to NC)
4
3
Pwr41-42
Pwr39-40
state
state
h
2
1
Pwr37-38
Pwr35-36
state
state
E6198B Switch/Load Unit User Manual
0
Pwr33-34
state
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