B-36 E6198B Switch/Load Unit User Manual
B Register Definitions
Card Type (R)Base + 0
h
This register reads back the card type of the card. The N9378A
is uniquely identified by card type 05
h
.
• Read Only
• Power On/Reset State = 05
h
Card Configuration (R) Base + 1
h
This register reads back the card configuration. The default
read back is FF
h
, but you can pull down bits to zero as required
to create a configuration byte unique to the loads installed.
(Note that you can use the mezzanine card registers described
below for additional load configuration information.)
Use the actions
loadCardGetInfo to read this register.
• Read Only
• x = undefined
Status & Control (R & W) Base + 2
h
This register reads back the card's status. It also can be used to
reset the board or open all relays (OAR).
Card status is defined as the state of the relay timer. The relay
timer is designed for the armature relays (>4ms). The timer
restarts 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 76543210
Purpose
Card
Type
Card
Type
Card
Type
Card
Type
Card
Type
Card
Type
Card
Type
Card
Type
Setting 00000101
Bit76543210
Purpose
undefined undefined undefined undefined undefined undefined CC1 CC0
Setting xxxxxxstatestate
Bit 76543210
Read
1111111
Busy
~
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