National Instruments Deterministic Ethernet Expansion Chassis NI 9144 Uživatelský manuál stáhnout pdf (Strana 49)

NI 9233

As a DSA module, the NI 9233 does not synchronize to other modules and

free-runs at its own fixed rate.

NI 9233 Configure ADC

The NI 9233 (and NI 9229/9239) converts at various rates, controlled by

the field in the ADC conversion command.

0x65 Data Byte

0xA0 CRC value

Table 42. NI 9233 Vendor Configuration Extensions

Index Sub Type R/W Description

0x2002 0 U32 R/W Configure ADC,

default = 0x0A

0x2100 0 ARR:U32 — Calibration = 16

1 R Ch0 Offset

2 R Ch0 Gain

3 R Ch1 Offset

... ... ...

8 R Ch3 Gain

9 R External Ch0

Offset

... ... ...

Table 43. NI 9233 Scan List Format

Bits Field

7 Turbo Disable (NI 9233 only)

6:2 Clock Divisor

1:0 Clock Source = 2

Table 41. NI 9219 Configuration 1: Command Bytes (Continued)

Command Byte Value Description

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 64 65

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National Instruments Deterministic Ethernet Expansion Chassis NI 9144 Uživatelský manuál Strana 49