21x, and cr7 dataloggers – Campbell Scientific AM16/32B Relay Multiplexer User Manual

Page 30

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AM16/32B Relay Multiplexer

20

GENERALIZED “4x16” MO

10(X), 21X, and CR7

DE PROGRAM LOOPS FOR THE CR23X, CR

21X SAMPLE PROGRAM

*

1

Table 1

Programs

01: 60

Sec.

Execution

Interval

:ACTIVATE MULTIPLEXER

1: Set Port (P20)

1:

1

Set high

2:

1

Port

Number

:BEGIN MEASUREMENT

;LOOP

2: Beginning of Loop (P87)

1:

0

Delay

2:

16

Loop

;CLOCK PULSE AND DELAY

3: Excitation with Delay (P22)

1:

1

EX Chan

2:

1

Delay

w/EX

(units=.01

sec)

3:

1

Delay

after

EX

(units=

.01 sec)

4: 5000

mV

Excitation

4: User Specified Measurement

Instruction

;END MEASUREMENT

;LOOP

5: End (P95)

;DEACTIVATE

;MULTIPLEXER

6: Set Port (P20)

1:

0

Set low

2:

1

Port

Number

Count

CR7 SAMPLE PROGRAM

*

1

Table 1

Programs

01: 60

Sec.

Execution

Interval

;ACTIVATE MULTIPLEXER

1: Set Port (P20)

1:

1

Set high

2:

1

EX Card

3:

1

Port No.

;BEGIN MEASUREMENT

;LOOP

2: Beginning of Loop (P87)

1:

0

Delay

1

EX Card

2:

2

EX Chan

nits

=

.01 sec)

5: 5000

mV

Excitation

4: User Specified Measurement

Instruction

;END MEASUREMENT

;LOOP

5: End (P95)

;DEACTIVATE

;MULTIPLEXER

6: Set Port (P20)

1:

0

Set low

2:

1

EX Card

3:

1

Port No.

CR10(X), CR23X

2:

16

Loop Count

;CLOCK PULSE AND DELAY

3: Excitation with Delay (P22)

1:

3:

1

Delay

w/EX

(units=.01

sec)

4:

1

Delay

after

EX

(u

PROGRAM

SAMPLE

Table 1

ution

1:

0

Delay

2:

16

Loop Count

ulse

Port

2

2)

3:

1

Delay

after

EX

4:

0

mV

Excitation

5: User Specified Measurement

Instruction

;END MEASUREMENT

;LOOP

6: End (P95)

;DEACTIVATE

;MULTIPLEXER

7: Do (P86)

01: 51

Set

low

Port

1

*

1

Programs

01: 60

Sec.

Exec

Interval

;ACTIVATE MULTIPLEXER

1: Do (P86)

1: 41

Set

high

Port 1

;BEGIN MEASUREMENT

;LOOP

2: Beginning of Loop (P87)

;CLOCK PULSE

3: Do (P86)

1: 72

P

;DELAY

4: Excitation with Delay (P2

1:

1

EX

Chan

2:

0

Delay

w/EX

FIGURE 5-2. Example “4x16” mode program loops for CR23X,

CR10(X), 21X, and CR7 dataloggers

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