B-12 E6198B Switch/Load Unit User Manual
B Register Definitions
Card Type (R) Base + 0
h
This register reads back the Card Type (01
h
) of the card.
• Read Only
• Power On/Reset State = 01
h
Card Configuration (R) Base + 1
h
This register reads back the Card Configuration. The Card
Configuration is determined by the user to distinguish different
load configurations of the same load card Card Type.
• Read Only
• Undefined bits readback as all 1s
Status (R) Base + 2
h
This register reads back the card's status. Currently the status
is defined as the state of the relay timer. The relay timer has
two timers wire-OR'd together. One timer is designed for the
slower armature relays (>16 ms) and the second designed for
the faster reed relays (>500 μs). The timers restart whenever
the registers 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
Bits 7-0
Purpose Card Type
Setting 01
h
Bits 7-0
Purpose
Card Configuration
Setting state
Bit 7-1 0
Purpose
Undefined BUSY~
Setting all 1s state
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