Agilent Technologies E6198B User Manual page 245

E6198B Switch/Load Unit User Manual
Status Register (R) (Base + 02
This register contains the BUSY~ bit (bit 0). The BUSY~ bit
reflects the state of all relay timers. A zero means the card is
busy setting a relay and a one means it is ready or done.
Bit 7-1
Purpose Undefined
Setting all 1s
Current Sense Select (W) (Base + 03
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 a single
channel to be selected. At reset no channel is selected.
SELECT BITS 7-4
no channel N/A
Channel 1 N/A
Channel 2 N/A
Channel 3 N/A
Channel 4 N/A
Channel 5 N/A
Channel 6 N/A
Channel 7 N/A
Channel 8 N/A
no channel N/A
Load Select (W) (Base + 04
The register controls the Load Select switch armature relays
(K1-K8) of the card, one bit per channel. The register uses
positive logic, i.e. 1=closed. At reset no channel is selected.
BIT 7 6
DEF CH 8 CH 7
)
h
0
BUSY~
state
)
h
BITS 3-0
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001-1111
)
h
5 4 3
CH 6 CH 5 CH 4 CH 3
B
Register Definitions
2 1 0
CH 2 CH 1
B-29