Agilent Technologies 4294A Manual do Utilizador descarregar pdf (Página 24)

24 Bit I/O Port (Handler Interface)

Connector type 36 pin D-SUB connector

Signal level TTL

Number of I/O bit 8 bit for input or output, 16 bit for output

Pin Assignment (see Figure 8 and Table 1)

456

20212223

242526

28293031323334

3536

Table 1. 24 Bit I/O Port Pin Assignment

Pin No. Signal Name Signal Standard

1 GND 0 V

2 INPUT1 TTL level, pulse input, pulse width: 1 µs or above

3 OUTPUT1 TTL level, latch output

4 OUTPUT2 TTL level, latch output

5 Output port A0 TTL level, latch output

6 Output port A1 TTL level, latch output

7 Output port A2 TTL level, latch output

8 Output port A3 TTL level, latch output

9 Output port A4 TTL level, latch output

10 Output port A5 TTL level, latch output

11 Output port A6 TTL level, latch output

12 Output port A7 TTL level, latch output

13 Output port B0 TTL level, latch output

14 Output port B1 TTL level, latch output

15 Output port B2 TTL level, latch output

16 Output port B3 TTL level, latch output

Figure 8. 24 Bit I/O Port Pin Assignment

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32

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Agilent Technologies 4294A Manual do Utilizador Página 24