Campbell Scientific SDM-CD16S 16-Channel Solid State DC Relay Controller Module User Manual
Page 19

SDM-CD16S 16 Channel Solid State DC Control Module
 
START FAN CONTROL LOGIC BASED ON HEATER/COOLER 
 
22: If X<=>F (P89) 
If heater is on
1: 10--
X
Loc
2: 2
<>
3: 0
F
4: 11
Set high Flag 1
Set flag 1
 
23: If X<=>F (P89) 
If cooler is on
1: 15--
X
Loc
2: 2
<>
3: 0
F
4: 11
Set high Flag 1
Set flag 1
 
24: If Flag/Port (P91) 
If flag 1 is set
1: 11
Do if flag 1 is high
2: 30
Then
Do
Then
 
25: Z=F (P30) 
Put a "1" into fan
1: 1
F
control location
2: 0
Exponent of 10
3: 20--
Z
Loc:
 
26: Else (P94) 
Else, If flag 1 is reset
 
27: Z=F (P30) 
Put a "0" into fan
1: 0
F
control location
2: 0
Exponent of 10
3: 20--
Z Loc :
 
28: End (P95) 
End Then Do/Else/End
 
29: Do (P86) 
Reset flag 1
1: 21
Set low Flag 1
 
30: End Loop (P95) 
End Master Loop
 
END FAN CONTROL LOGIC BASED ON HEATER/COOLER 
 
START FAN CONTROL LOGIC BASED ON TIME 
 
31: If time is (P92) 
If 5 minutes remain
1: 10
minutes into a
out of 15 minute
2: 15
minute
interval
interval,
3: 12
Set high Flag 2
set flag 2
 
32: If Flag/Port (P91) 
If flag 2 is set
1: 12
Do if flag 2 is high
2: 30
Then
Do
Then
15
