B-24 E6198B Switch/Load Unit User Manual
B Register Definitions
controlling the respective relays are written to or the card is
reset. The card remains in the busy state until both timers have
timed out.
• Read Only
• Undefined bits readback as all 1s
• BUSY~: 0 = Busy, 1 = Ready
Current Sense Select (W) Base + 3h
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 none or one
current sense relay to be selected. Writing to this register starts
the reed relay timer.
• Write Only
• Undefined bits are not used
• Valid current sense selection values are: 000001
2
- 011000
2
.
Selecting values 000000
2
or 011001
2
- 111111
2
will NOT
select current sensing for any channel.
000001
2
- corresponds to current sense select on channel 1.
000010
2
- corresponds to current sense select on channel 2.
001101
2
- corresponds to current sense select on channel 13.
010000
2
- corresponds to current sense select on channel 16.
000000
2
or nnnnnn
2
> 011000
2
- no current sense relays
selected.
Bit 7-1 0
Purpose
Undefined BUSY~
Setting all is 1s state
Bit 7-6 5-0
Purpose
Undefined Sense Select
Setting XSelect No.