Table 39. ni 9219 type conversion time, Table 40. ni 9219 mode and range type – National Instruments Deterministic Ethernet Expansion Chassis NI 9144 User Manual

Page 44

Advertising
background image

NI 9144 User Guide and Specifications

44

ni.com

NI 9219 Configuration Data

Note

When any AI data channel is configured for Thermo-Couple, ADC conversion time

increases by 10 ms for all channels. Refer to Max Frequency in Table 39 for various ACD
timing configurations. The TC mode/range configuration code is

0x0A

.

Table 39. NI 9219 Type Conversion Time

Configuration Value

Max Frequency

Conversion Time

Description

0x01

100 Hz/50 Hz (TC)

10 ms/20 ms (TC)

High Speed

0x08

9.09 Hz/8.33 Hz (TC)

110 ms/120 ms (TC)

Best 60 Hz Rejection

0x09

7.69 Hz/7.14 Hz (TC)

130 ms/140 ms (TC)

Best 50 Hz Rejection

0x0F

2 Hz/1.96 Hz (TC)

500 ms/510 ms (TC)

High Resolution

Table 40. NI 9219 Mode and Range Type

Configuration

Value

Mode

Range

(0x00)

Voltage

60 V

(0x01)

15 V

(0x02)

3.75 V

(0x03)

1 V

(0x04)

.125 V

(0x05)

Current

25 mA

(0x06)

Resistance

10K 4w

(0x07)

1K 4w

(0x08)

10K 2w

(0x09)

1K 2w

(0x0A)

TC

TC

(0x0B)

RTD

Pt1000 4w

(0x0C)

Pt100 4w

(0x0D)

Pt1000 3w

(0x0E)

Pt100 3w

Advertising