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B
Register Definitions
Bit
Purpose
Setting
Bit
Purpose
Setting
Bit
Purpose
B-34
power buses selected depend upon how the card is configured
by the user. Writing to this register starts the armature relay
timer.
7
6
Chan8
Chan7
Chan6
state
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)
Power Select 9-16 (W) Base + 7
This register controls the Pull Up/Down Power Select armature
relays for power to channels 9-16. (See
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.
7
6
Chan16
Chan15
Chan14
state
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)
Load Select 1-8 (W) Base + 8
This register controls the load selection relays for channels 1-8,
letting you switch between two different loads for that channel.
(See
Figure
7
6
Chan8
Chan7
Chan6
5
4
3
Chan5
Chan4
state
state
5
4
3
Chan13
Chan12
state
state
h
B-10.) For x=1-8:.
5
4
3
Chan5
Chan4
2
1
Chan3
Chan2
state
state
h
Figure
B-10.) These
2
1
Chan11
Chan10
state
state
2
1
Chan3
Chan2
E6198B Switch/Load Unit User Manual
0
Chan1
state
0
Chan9
state
0
Chan1
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