Measurement-computing CB-7080 Instrukcja Użytkownika Pobierz pdf (Strona 14)

CB-7080 & CB-7080D Counter/Timer User's Guide Application notes

1-10

Counter input applications

The counter mode type is indicated by entering 50 in the command.

Table 1-7. Counter mode settings

Counter 0

Counter 1

$AAB0 to set input mode 0

$AA1H(data) and $AA1L(data)

Non-isolated channel 0 and

threshold value active

Non-isolated channel 1 and

threshold value active

$AAB1 to set input mode 1

$AA1H(data) and $AA1L(data)

Isolated channel 0

Isolated channel 1

$AAB2 to set input mode 2

$AA1H(data) and $AA1L(data)

Non-isolated channel 0 and

threshold value active

Isolated channel 1

$AAB3 to set input mode 3

$AA1H(data) and $AA1L(data)

Isolated channel 0

Non-isolated channel 1 and

threshold value active

Note:

The threshold value commands $AA1H(data) and $AA1L(data) are effective to non-isolated inputs only.

Configuration Code

Use the configuration codes listed in the following tables to set the baud rate, check the status of, and set the

input type of a module.

Table 1-8. Baud Rate Configuration Code: CC

Baud Rate

1200 BPS

2400 BPS

4800 BPS

9600 BPS

19200 BPS

38400 BPS

57600 BPS

115200 BPS

Table 1-9. Status Configuration Code: FF, 2-char (for all)

checksum

0=disabled

1=enabled

frequency gate time

0: 0.1 second

1: 1.0 second

Table 1-10. Input Type Configuration Code: TT

Input Range

Counter

Frequency

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 73 74

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