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Registers
30 Parameter 1 for register 35 — Analog Trigger on/off
0 = Analog Trigger Off
1 = Analog Trigger ON
31 Parameter 2 for register 35 — trigger low value
Specify a value between 0 and 255 (4095 for 16 bit cards). The minimum is equivalent to -10V and the maximum is equivalent to +10V.
32 Parameter 3 for register 35 — trigger high value
Specify a value between 0 and 255 (4095 for 16 bit cards). The minimum is equivalent to -10V and the maximum is equivalent to +10V.
33 Parameter 4 for register 35 — Mode
see NI-DAQ function reference for definitions.
0 = ND_BELOW_LOW_LEVEL
1 = ND_ABOVE_HIGH_LEVEL
2 = ND_INSIDE_REGION
3 = ND_HIGH_HYSTERESIS
4 = ND_LOW_HYSTERESIS
34 Parameter 5 for register 35 — Trigger Source
see NI-DAQ function reference for definitions.
0 = ND_PFI_0
1 = ND_THE_AI_CHANNEL
35 Configure trigger function (Configure_HW_Analog_Trigger)
Set registers 30-34, then to call this function write a non-zero value to this register. You must also use select signal in conjunction with this function.
40 Parameter 1 for register 43 — signal
see NI-DAQ function reference for definitions.
0 = ND_IN_START_TRIGGER
1 = ND_IN_STOP_TRIGGER
2 = ND_IN_SCAN_CLOCK_TIMEBASE
3 = ND_IN_CHANNEL_CLOCK_TIMEBASE
4 = ND_IN_CONVERT
5 = ND_IN_SCAN_START
6 = ND_IN_EXTERNAL_GATE
7 = ND_OUT_START_TRIGGER
8 = ND_OUT_UPDATE
9 = ND_OUT_UPDATE_CLOCK_TIMEBASE
10 - 19 = ND_PFI_0 - ND_PFI_9
20 = ND_GPCTR0_OUTPUT
21 = ND_GPCTR1_OUTPUT
22 = ND_FREQ_OUT
23 - 29 = ND_RTSI_0 - ND_RTSI_6
30 = ND_RTSI_CLOCK
31 = ND_BOARD_CLOCK
41 Parameter 2 for register 43 — source
See NI-DAQ function reference for definitions.
0 - 9 = ND_PFI_0 - ND_PFI_9
10 - 16 = ND_RTSI_0 - ND_RTSI_6
17 = ND_RTSI_CLOCK
18 = ND_GPCTR0_OUTPUT
19 = ND_GPCTR0_SOURCE
20 = ND_GPCTR0_GATE
21 = ND_GPCTR1_OUTPUT
22 = ND_GPCTR1_SOURCE
23 = ND_GPCTR1_GATE
24 = ND_NONE
25 = ND_INTERNAL_TIMER
26 = ND_INTERNAL_10_MHZ
27 = ND_INTERNAL_20_MHZ
28 = ND_INTERNAL_100_KHZ
29 = ND_IN_START_TRIGGER
30 = ND_OUT_START_TRIGGER
31 = ND_IN_STOP_TRIGGER
32 = ND_IO_CONNECTOR
33 = ND_AUTOMATIC
34 = ND_IN_CONVERT
35 = ND_OUT_UPDATE
36 = ND_IN_SCAN_START
37 = ND_IN_SCAN_IN_PROG
38 = ND_RESERVED
39 = ND_MARKER
40 = ND_SYNC_OUT
41 = ND_BOARD_CLOCK
42 Parameter 3 for register 43 — source spec
See NI-DAQ function reference for definitions.
0 = ND_DONT_CARE
1-16 = value 1-16
17 = ND_HIGH_TO_LOW
18 = ND_LOW_TO_HIGH
19 = ND_PAUSE_ON_HIGH
20 = ND_PAUSE_ON_LOW
21 = ND_POSITIVE
43 Select signal function (Select_Signal)
Set registers 40-42, then to call this function write a non-zero value to this register.
0 Reset Registers
Writing a 0 here will should reset all registers, but at this point it will only reset registers 0-24.
Writing a 1 here will reset all Analog Input registers.
1 Scan Rate
Scan rate is measured in scans per second. The allowed range is 0 to 500,000 scans/s. A value of 0 means no delay between scans and results in approximately 0.00153 scans/s. This value is affected by the number of channels in your scan.
2 Start Channel
Start channel and channel list flag register. Specifies either the first channel to be scanned in the A/D scan sequence, or if a value of -1 is applied, Directs the driver to use the channel list specified.
3 Stop Channel
Stop channel and number in channel list register. Specifies either the last channel to be scanned in the A/D scan sequence, or if a value of -1 was applied to register 2, should be the number of channels in the channel list.
4 Gain Value
Value of gain to be applied with start and stop channel scan.
10 Scale Value
Measured voltage is multiplied by this value.
11 Offset Value
This value is added to measured voltage after it is multiplied by scale value.
17 Sample Rate
Sample rate measured in pts/s. Allowed range is approximately 0.00153 to 500,000. The maximum rate depends on the device used. This is the rate at which channels are sampled in a scan sequence.
19 Channel List
An integer list of channels in the order that you want them scanned. (Max 5000)
20 Gain List
An integer list of gains to use with the channel list. The gain at position 3 corresponds to the channel at position 3 of the channel list. (Max 5000)
21 Gain Correct
During the voltage calculation Gain is multiplied by this number.
22 Voltage Correct
Amount needed to subtract from sample for voltage calculation.
23 Number of Samples
Number of samples to take. (Max 5000)
24 Timeout Ticks (Timeout_Config)
Number of ticks before timeout. There are about 18 ticks per second. Timeout will occur only during a scan. A timeout will return a timeout event which can be trapped with ON TIMEOUT. The value specified in ON TIMEOUT is ignored.
0 Reset Registers
Writing a 0 here will reset all currently functioning registers.
Writing a 1 here will reset all Analog Output registers.
2 Start Channel
Start channel and channel list flag register. Specifies either the first channel to be used in the A/O sequence, or if a value of -1 is applied, Directs the driver to use the channel list specified.
3 Stop Channel
Stop channel and number in channel list register. Specifies either the last channel to be used in the A/O sequence, or if a value of -1 was applied to register 2, should be the number of channels in the channel list.
4 Gain Value
Value of gain to be applied with start and stop channel output.
5 Iterations
The number of times to output the output buffer. A zero will continue indefinitely.
17 Output Rate
The output rate for the sequence in points per second.
19 Channel List
An integer list of channels in the order that you want them sent. (Max 5000)
20 Output Buffer
A list of floating point values representing voltages in the order you want them sent. (Max 5000)
21 Buffer Count
The number of floating point values that are in the Output Buffer
30 Wave Generator (WFM_Scale, WFM_Op)
Writing a 1 here starts wave generation. During Wave generation all access to the card will result in a “target device busy” error. The Wave generated is determined by the information provided in the previous registers.
Writing a 0 here stops wave generation.
0 Reset Registers
10 LineWriting a 0 here will reset all currently functioning registers. Writing a 1 here will reset all Digital Input/Output registers.
Param for reg 14. Line number to configure
11 Port
12 handshakeParam for reg 14. Port number to configure
13 DirectionParam for reg 14. Handshake on/off
Param for reg 14. Input/Output selection
14 Configure (DIG_Line_Config or DIG_Prt_Config)
Write 1 to call line config or 2 to call port config.
20 Group
Param for reg 24. Group to be configured.
21 Group size
Param for reg 24. Group size.
22 Group port
Param for reg 24. Array to assign for group param for group config. call.
23 group direction
Param for reg 24. Input or output (direction) for group param
24 group configure (DIG_Grp_Config, DIG_SCAN_Setup)
non-zero to call.
30 number of samples
number of digital samples to take (group I/O only)
31 use 16 bits
card uses all 16 bits of buffer elements.
32 split bytes
separate upper and lower bytes and return seperately
33 use hand shake
driver should use handshaking.
34 output buffer
buffer to hold output
40 pattern group
Param for reg 46. Group param.
41 Config flag
Param for reg 46. Config flag for pattern generation.
42 request source
Param for reg 46.
43 timebase
Param for reg 46.
44 request interval
Param for reg 46. Request interval pattern.
45 external gate.
Param for reg 46. External gate param.
46 pattern generation (DIG_Block_PG_Config)
non-zero to setup pattern generation
50 group trigger
Param for reg 58. Group number to configure
51 start trigger
Param for reg 58. Start trigger source
52 start polarity
Param for reg 58. Polarity of the start trigger.
53 Stop trigger
Param for reg 58. Stop trigger source
54 stop polarity
Param for reg 58. Polarity of the stop trigger.
55 points after stop trigger
Param for reg 58. Number of points to acquire after the stop trigger.
56 pattern
Param for reg 58. Digital pattern to use if requested.
57 pattern mask
Param for reg 58. Pattern mask for digital trigger.
58 trigger config (DIG_Trigger_Config)
non-zero to call
1804 — Counter/Timer I/O Registers
0 reset
Writing a 0 here will reset all currently functioning registers.
Writing a 1 here will reset all Digital Input/Output registers.
CTR_Config (register 15)
Parameter registers10 counter
11 edge mode
12 gate mode
13 out type
14 out polarity
CTR_EvCount (register 23)
Parameter registers20 counter
21 timebase
22 continue
CTR_Period (register 32)
Parameter registers
30 counter
31 timebase
CTR_Pulse (register 44)
Parameter registers
40 counter
41 timebase
42 delay
43 pulse width
CTR_Rate (register 52)
Parameter registers
Output registers50 frequency
51 duty
CTR_Reset (register 62)53 timebase
54 period 1
55 period 2
Parameter registers
60 counter
61 output
CTR_Restart (register 71)
Parameter registers
70 counter
CTR_Simul_Op (register 83)
Parameter registers
80 number of counters
81 counters (array)
82 mode
CTR_Square (register 94)
Parameter registers
90 counter
91 timebase
92 period 1
93 period 2
CTR_State (register 101)
Parameter registers
100 counter
Output registers
102 out state
CTR_Stop (register 111)
Parameter registers
110 counter