Measurement-computing BTH-1208LS-OEM Manual do Utilizador descarregar pdf (Página 13)

BTH-1208LS-OEM User's Guide Functional Details

Connector J1

Header connector J1 provides connections for the analog inputs, analog outputs, and analog ground reference.

Refer to Figure 5 on page 17 for the location and orientation of J1.

Four-channel differential mode

Pin Signal name Pin description Pin Signal name Pin description

1 CH0H Analog input 0 HI 2 AGND Analog ground

3 CH0L Analog input 0 LO 4 AGND Analog ground

5 CH1H Analog input 1 HI 6 AGND Analog ground

7 CH1L Analog input 1 LO 8 AGND Analog ground

9 CH2H Analog input 2 HI 10 AGND Analog ground

11 CH2L Analog input 2 LO 12 AGND Analog ground

13 CH3H Analog input 3 HI 14 AOUT0 Analog output 0

15 CH3L Analog input 3 LO 16 AOUT1 Analog output 1

Eight-channel single-ended mode

Pin Signal name Pin description Pin Signal name Pin description

1 CH0 IN Analog input 0 2 AGND Analog ground

3 CH1 IN Analog input 1 4 AGND Analog ground

5 CH2 IN Analog input 2 6 AGND Analog ground

7 CH3 IN Analog input 3 8 AGND Analog ground

9 CH4 IN Analog input 4 10 AGND Analog ground

11 CH5 IN Analog input 5 12 AGND Analog ground

13 CH6 IN Analog input 6 14 AOUT0 Analog output 0

15 CH7 IN Analog input 7 16 AOUT1 Analog output 1

Connector J2

Header connector J2 provides connections for the DIO, external clock input, trigger, counter, power output, and

digital ground reference. Refer to Figure 5 on page 17 for the location and orientation of J2.

Pin Signal name Pin description Pin Signal name Pin description

1 DIO0 Digital input/output 0 2 GND Digital ground

3 DIO1 Digital input/output 1 4 CTR Counter input

5 DIO2 Digital input/output 2 6 TRIG_IN Digital trigger input

7 DIO3 Digital input/output 3 8 AICKI Pacer input

9 DIO4 Digital input/output 4 10 GND Digital ground

11 DIO5 Digital input/output 5 12 +VO 3.3V output

13 DIO6 Digital input/output 6 14 GND Digital ground

15 DIO7 Digital input/output 7 16 GND Digital ground

Connector J3

Header connector J3 provides connections for bulkhead signals. Refer to Figure 5 on page 17 for the location

and orientation of J3.

Pin Signal name Pin description Pin Signal name Pin description

1 BATT+

Battery input positive

(2 AA/AAA cells)

2 BATT– Battery input negative

3 BATT_MID Battery center tap 4 GND Ground

5 THERMISTOR+

10 kΩ thermistor positive

(battery temperature sensing)

6 THERMISTOR– 10 kΩ thermistor negative

7 PWR SW+ SPST contact 1 (power switch) 8 PWR SW – SPST contact 2

9 PAIRING SW+

Momentary contact 1 (pairing /

soft power switch)

10 PAIRING SW– Momentary contact 2

11 LED1+ LED1 anode 12 LED1 – LED1 cathode

13 LED2+ LED2 anode 14 LED2 – LED2 cathode

15 Vbus

USB 5V supply (charging LED

anode)

16 CHARGE LED – Charging LED cathode

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 26 27

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