Campbell-scientific SDM-IO16 16-Channel Input/Output Expansion Module Manuale Utente Scaricare il pdf (Pagina 26)

SDM-IO16 16 Channel Input/Output Expansion Module

;Call instruction 188 to set the ports as outputs

;with the outputs set low.

2: SDM-IO16 (P188)

1: 00 SDM Address

2: 90 Command Code Option ;configure the ports

3: 0000 Ports 16-13 ;Set all ports as output and low

4: 0000 Ports 12-9

5: 0000 Ports 8-5

6: 0000 Ports 4-1

7: 27 Return Code Loc [ ErrCount ] ;for return code

8: 10 First Loc [ Heat_1 ] ;for control values

9: 1.0 Mult

10: 0.0 Offset

;Set flag 1 high to indicate we have run the setup code

3: Do (P86)

1: 11 Set Flag 1 High

4: End (P95) ;of IF block

;Measure the five temperatures, with 5 107 probes in this example

5: Temp (107) (P11)

1: 5 Reps

2: 1 SE Channel

3: 1 Excite all reps w/E1

4: 1 Loc [ Temp_1 ]

5: 1.0 Mult

6: 0.0 Offset

6: Beginning of Loop (P87) ;Master loop: end

1: 0 Delay ;loop at step 30

2: 5 Loop Count

;Start heater control logic

7: If (X<=>F) (P89) ;if temperature is below

1: 1 -- X Loc [ Temp_1 ] ;heater threshold

2: 4 <

3: 23.5 F

4: 30 Then Do ;then

8: Z=F (P30) ;put a '1' into heater control

1: 1 F ;location

2: 0 Exponent of 10

3: 10 -- Z Loc [ Heat_1 ]

9: End (P95) ;end 'then do'

10: If (X<=>F) (P89) ;if the heater is on (heater

1: 10 -- X Loc [ Heat_1 ] ;control location <>0)

2: 2 <>

3: 0 F

4: 30 Then Do ;then

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 43 44

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Campbell-scientific SDM-IO16 16-Channel Input/Output Expansion Module Manuale Utente Pagina 26

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