Campbell Scientific AM16/32A Multiplexer User Manual
Page 20
AM16/32A Relay Analog Multiplexer
GENERALIZED “4x16” MODE PROGRAM LOOPS FOR THE CR23X, CR10(X), 21X, and CR7
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
2: Excitation with Delay (P22)
1:
1
Ex
Channel
2:
0
Delay w/Ex
(0.01 sec units)
3:
15
Delay after Ex
(0.01 sec units)
4:
0
mV
Excitation
:BEGIN MEASUREMENT
;LOOP
3: Beginning of Loop (P87)
1:
0
Delay
2:
16
Loop Count
;CLOCK PULSE AND DELAY
4: 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
5: User Specified Measurement
Instruction
;END MEASUREMENT
;LOOP
6: End (P95)
;DEACTIVATE
;MULTIPLEXER
7: Set Port (P20)
1:
0
Set low
2:
1
Port
Number
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.
2: Excitation with Delay (P22)
1:
1
Ex
Channel
2:
0
Delay w/Ex
(0.01 sec units)
3:
15
Delay after Ex
(0.01 sec units)
4:
0
mV
Excitation
;BEGIN MEASUREMENT
;LOOP
3: Beginning of Loop (P87)
1:
0
Delay
2:
16
Loop Count
;CLOCK PULSE AND DELAY
4: Excitation with Delay (P22)
1:
1
EX Card
2:
2
EX Chan
3:
1
Delay
w/EX
(units=.01
sec)
4:
1
Delay
after
EX (units =
.01 sec)
5: 5000
mV
Excitation
5: User Specified Measurement
Instruction
;END MEASUREMENT
;LOOP
6: End (P95)
;DEACTIVATE
;MULTIPLEXER
7: Set Port (P20)
1:
0
Set low
2:
1
EX Card
3:
1
Port No.
CR10X, CR23X SAMPLE PGM
*
1
Table 1
Programs
01: 60
Sec.
Execution
Interval
;ACTIVATE MULTIPLEXER
1: Do (P86)
1: 41
Set
high
Port 1
2: Excitation with Delay (P22)
1:
1
Ex
Channel
2:
0
Delay w/Ex
(0.01 sec units)
3:
15
Delay after Ex
(0.01 sec units)
4:
0
mV
Excitation
;BEGIN MEASUREMENT
;LOOP
3: Beginning of Loop (P87)
1:
0
Delay
2:
16
Loop Count
;CLOCK PULSE
4: Do (P86)
1: 72
Pulse
Port
2
;DELAY
5: Excitation with Delay (P22)
1:
1
EX
Chan
2:
0
Delay
w/EX
3:
1
Delay after EX
4:
0
mV
Excitation
6: User Specified Measurement
Instruction
;END MEASUREMENT
;LOOP
7: End (P95)
;DEACTIVATE
;MULTIPLEXER
8: Do (P86)
01: 51
Set
low
Port
1
FIGURE 7. Example “4x16” Mode Program Loops for CR23X, CR10(X), 21X and CR7 Loggers
14