Campbell Scientific SDM-CD16D 16-Channel Digital Control Port Expansion Module User Manual
Page 17
SDM-CD16D 16 Channel Digital Control Port Expansion Module
28: End (P95)
end ‘then do/else’
29: Do (P86)
reset flag 1
1: 21
Set Flag 1 Low
30: End (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 (Seconds --) into a
out of 15 minute
2: 15
Interval (same units as above)
interval
3: 12
Set Flag 2 High
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: 5
Loop
Count
34: Z=F (P30)
put a ‘1’ into fan control
1: 1
F
location
2: 0
Exponent
of
10
3: 20
-- Z Loc [ Fan_1 ]
35: End (P95)
end fan loop
36: End (P95)
end’ then do’
37: If time is (P92)
reset flag 2 at the
1: 0
Minutes (Seconds --) into a
end of the 15 minutes
2: 15
Interval (same units as above)
3: 22
Set Flag 2 Low
End fan control logic based on time
Input locations 10 to 24 are now loaded with a ‘1’ or ‘0’ to set ports on the SDM-CD16D
38: SDM-CD16 / SDM-CD16D (P104)
send instructions to the
1: 1
Reps
SDM-CD16D with address 00
2: 00
Address
3: 10
Loc [ Heat_1 ]
*Table 2 Program
02: 0.0000 Execution
Interval
(seconds)
13