B&B Electronics 4 Channel Input Buffer Board SDAIBB Manuale Utente Scaricare il pdf (Pagina 6)

2 Chapter 1 Documentation Number UD128A8D4602 Manual

B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104

B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph 353-91-792444 – Fax 353-91-792445

USB

Processor

Analog

MUX

10-Bit

DAC

Digital

I/O

Digital

I/O

12-Bit

ADC

USB

Connector

Direction Control

SE/Diff &

Channel

Selection

Serial Interface

Analog

Buffer

3) DIG IO 0

4) DIG IO 1

5) DIG IO 2

6) DIG IO 3

14) DIG IO 4

15) DIG IO 5

16) DIG IO 6

17) DIG IO 7

12) DA 0

8) AD 0

13) DA 1

24) DA 2

25) DA 3

9) AD 1

10) AD 2

11) AD 3

20) AD 4

21) AD 5

22) AD 6

23) AD 7

Vref

(5V +/-0.5%)

Vref

External

A/D +Vref

4.7K

Direction Control

+4.5 to +5.5V

54 Ohm

1) DIG +Vref

DB25 Female

Connector

18)

7) Digital GND

19) Analog GND

Fig. 1.1 - UD128A8D Block Diagram

DB25 Female - Front View

25 14

Analog

Section

Digital

Section

Fig. 1.2 – DB25F I/O Connector Pin Orientation

1 2 3 4 5 6 7 8 9 10 11 ... 59 60

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B&B Electronics 4 Channel Input Buffer Board SDAIBB Manuale Utente Pagina 6

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