B-34 E6198B Switch/Load Unit User Manual
B Register Definitions
power buses selected depend upon how the card is configured
by the user. Writing to this register starts the armature relay
timer.
• 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)
Power Select 9-16 (W) Base + 7
h
This register controls the Pull Up/Down Power Select armature
relays for power to channels 9-16. (See Figure B-10.) 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 depend upon how the card is
configured by the user. Writing to this register starts the
armature relay timer.
• 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)
Load Select 1-8 (W) Base + 8
h
This register controls the load selection relays for channels 1-8,
letting you switch between two different loads for that channel.
(See Figure B-10.) For x=1-8:.
Bit 76543210
Purpose
Chan8 Chan7 Chan6 Chan5 Chan4 Chan3 Chan2 Chan1
Setting state state state state state state state state
Bit 76543210
Purpose
Chan16 Chan15 Chan14 Chan13 Chan12 Chan11 Chan10 Chan9
Setting state state state state state state state state
Bit 76543210
Purpose
Chan8 Chan7 Chan6 Chan5 Chan4 Chan3 Chan2 Chan1
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