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B
Register Definitions
B-20
whenever the registers controlling the respective relays are
written to or the card is reset. The card remains in the busy
state until the timer has timed out.
Bit
Purpose
Setting
• Read Only
• Undefined bits readback as all 1s
• BUSY~: 0 = Busy, 1 = Ready
Load Select 1-8 (W) Base + 3
This register controls the Load Select switch armature relays for
channels 1-8. The register uses positive logic: 1 = closed. Writing
to this register starts the relay timer.
Bit
7
Purpose
K16
CH 8
Setting
state
• Write Only
• State: 1 = closed, 0 = open
• Power On/Reset State = 0
Load Select 9-16 (W) Base + 4
This register controls the Load Select switch armature relays for
channels 9-16. The register uses positive logic: 1 = closed.
Writing to this register starts the relay timer.
Bit
7
6
Purpose
K32
K30
CH 16
CH 15
Setting
state
state
• Write Only
7-1
0
Undefined
BUSY~
all 1s
state
h
6
5
4
K14
K12
K10
CH 7
CH 6
CH 5
CH 4
state
state
state
h
5
4
K28
K26
K24
CH 14
CH 13
CH 12
stat
state
state
E6198B Switch/Load Unit User Manual
3
2
1
K8
K6
K4
CH 3
CH 2
CH 1
state
state
state
state
3
2
1
K22
K20
CH 11
CH 10
state
state
0
K2
0
K18
CH 9
state
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