Campbell Scientific SDM-CD8S 8 Channel Solid State DC Control Module - Manual (Page 20)

SDM-CD8S 8 Channel Solid State DC Control Module
START FAN CONTROL LOGIC BASED ON HEATER/COOLER
22: If X<=>F (P89) If heater is on
1: 11-- 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: 13-- 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: 15-- 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: 15-- 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
33: Beginning of Loop (P87) Start fan loop
1: 0 Delay
2: 2 Loop Count
14