National Instruments RMX-400 Series, Programming Manual

Page: 177 / 181

RMX-4000 Series Programming Manual
177
Channel Summary Registers
8
3
4
2
2
1
1
0
128
7
64
6
32
5
16
4
Bit weight
Bit Position
EVENT
ENABLE
CH4 CH3 CH2 CH1 CH8 CH7 CH6 CH5
CH4 CH3 CH2 CH1 CH8 CH7 CH6 CH5
Event Register
If an event has been enabled and set in the
Channel Status Registers, the corresponding
channel bit is set in the Channel Summary Event
Register. If the Event Register is read, it is cleared
to 0.
Enable Register
Use the Enable Register to determine which
channel events are used to set the Status Byte
Register CSUM bit.
Questionable Status
Description
The Questionable Status Registers show whether
any faults or errors have occurred. The
Questionable Status Registers have the same
events as the Channel Status Registers.
Questionable Status Register
8
3
4
2
2
1
1
0
RV OP OV OC
Bit weight
Bit Position
Condition
RV OP OV OC PTR/NTR
RV OP OV OC EVENT
RV OP OV OC ENABLE
7-15
0
0
0
0 UVP G/N OT
UVP G/N OT
UVP G/N OT
UVP G/N OT
6 5 4
64 32 16
Bit Summary
OC Over Current
OV Over voltage
OP Over Power
RV Reverse Voltage
OT Over Temperature