Agilent Technologies E6198B User Manual page 230

B
Register Definitions
B-14
Load Select (W) Base + 4
This register controls the Load Select switch armature relays of
the card, one per channel. The register uses positive logic: 1 =
closed. Writing to this register starts the armature relay timer.
Bit 7 6
Purpose K43 K42
CH 8 CH 7
Setting state state
• Write Only
• State: 1 = closed, 0 = open
• Power On/Reset State = 0
Power Select (W) Base + 5
This register controls the Pull Up/Down Power Select armature
relays of the card, one per channel pair. These relays are Form
C (double-pole, single-throw) and the register uses positive
logic: 1 = Normally open (NO) shorted to COM, normally closed
(NC) is open; 0 = NC shorted to COM, NO is open. The power
buses selected depend on how the card is configured by the
user. Writing to this register starts the armature relay timer.
Bit 7-4
Purpose Undefined
Setting X
• Write Only
• State: 1 = NO shorted to COM, NC is open; 0 = NC shorted to
COM, NO is open
• Power On/Reset State = 0
h
5 4 3
K33 K32 K23
CH 6 CH 5 CH 4
state state state
h
3 (011) 2 (010) 1 (001)
K41 K31 K21
CH 8/7 CH 6/5 CH 4/3
state state state
E6198B Switch/Load Unit User Manual
2 1 0
K22 K13 K12
CH 3 CH 2 CH 1
state state state
0 (000)
K11
CH 2/1
state