Campbell Scientific SDM-IO16 16-Channel Input/Output Expansion Module User Manual
Page 27
SDM-IO16 16 Channel Input/Output Expansion Module
11: If (X<=>F) (P89)
;check upper threshold
1: 1
-- X Loc [ Temp_1 ]
;to see if heater should
2: 3
>=
;be turned off
3: 25.5
F
4: 30
Then
Do
12: Z=F (P30)
;if heater should be turned
1: 0
F
;off, enter a '0' into
2: 0
Exponent
of
10
;heater control location
3: 10
-- Z Loc [ Heat_1 ]
13: End (P95)
;end 'then do'
14: Else (P94)
;else, if the heater is off
15: Z=F (P30)
;enter a '0' into heater
1: 0
F
;control location
2: 0
Exponent
of
10
3: 10
-- Z Loc [ Heat_1 ]
16: End (P95)
;end 'then do/else'
;End heater control logic
;Start cooler control logic
17: If (X<=>F) (P89)
;if 'cooler on' threshold
1: 1
-- X Loc [ Temp_1 ]
;is exceeded
2: 3
>=
3: 27.5
F
4: 30
Then
Do
;then
18: Z=F (P30)
;put a '1' into cooler
1: 1
F
;control location
2: 0
Exponent
of
10
3: 15
-- Z Loc [ Cool_1 ]
19: End (P95)
;end 'then do'
20: If (X<=>F) (P89)
;if cooler is on (cooler
1: 15
-- X Loc [ Cool_1 ]
;control location <>0)
2: 2
<>
3: 0
F
4: 30
Then
Do
;then
21: If (X<=>F) (P89)
;check lower threshold to
1: 1
-- X Loc [ Temp_1 ]
;see if cooler should be
2: 4
<
;turned off
3: 24.5
F
4: 30
Then
Do
22: Z=F (P30)
;if cooler should be turned off
1: 0
F
;put a '0' into cooler control
2: 0
Exponent of 10
;location
3: 15
-- Z Loc [ Cool_1 ]
21