Campbell Scientific SDM-IO16 16-Channel Input/Output Expansion Module - Manual (Page 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
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