Advantech PCI-1710HG Dokumentacja Pobierz pdf (Strona 99)

Appendix C

– 91 – PCI-1710 series User’s Manual

Advantech Co., Ltd.

www.advantech.com

C.16 Calibration Registers - BASE+18 and BASE+19

The PCI-1716/1716L offers Calibration registers BASE+16 and

BASE+17 for user to calibrate the A/D and D/A.

Table C-20: Calibration Command and Data Register

D7 to D0 Calibration data

D0 LSB of the calibration data

D7 MSB of the calibration data

CM3 to CM0 Calibration Command and table C-18 lists the

command code for PCI-1716/1716L.

Table C-21: Calibration Command and Data Register

Write Calibration Command and Data

Bit # 7 6 5 4 3 2 1 0

BASE + 19 CM3 CM2 CM1 CM0

BASE + 18 D7 D6 D5 D4 D3 D2 D1 D0

PCI-1716/1716L

Meaning

Command Code

CM3 CM2 CM1 CM0

A/D bipolar offset adjust 0 0 0 0

A/D unipolar offset adjust 0 0 0 1

PGA offset adjust 0 0 1 0

A/D gain adjust 0 0 1 1

D/A 0 gain 1 adjust (10 V) 0 1 0 0

D/A 0 gain 2 adjust (5 V) 0 1 0 1

D/A 0 bipolar offset adjust 0 1 1 0

D/A 0 unipolar offset adjust 0 1 1 1

D/A 1 gain 1 adjust (10 V) 1 0 0 0

D/A 1 gain 2 adjust (5 V) 1 0 0 1

D/A 1 bipolar offset adjust 1 0 1 0

D/A 1 unipolar offset adjust 1 0 1 1

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 117 118

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