Campbell Scientific SDM-CD8S 8 Channel Solid State DC Control Module User Manual
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SDM-CD8S 8 Channel Solid State DC Control Module
Input Location assignments are as follows:
Variable Array
Description
Temp(2)
Avg temp, greenhouse 1 & 2
Heat(2)
Heater control, greenhouse 1 & 2 SDM-CD8S
Port 1 & 2
Cool(2)
Cooler control, greenhouse 1 & 2 SDM-CD8S
Port 3 & 4
Fan(2)
Fan control, greenhouse 1 & 2 SDM-CD8S
Port 5 & 6.
CD16_Output(16)
EXAMPLE 1: the actual values used to control
the SDM-CD8S: CD16_Output(I), I = 1 to 2 are
for Heat, I = 3 to 4 are for Cooling, I= 5 to 6 are
for Fans
CD16_Output as Long
EXAMPLE 2: the actual value used to control
SDMCD the CD16_Output bits set the SDM-
CD8S ports. bits 0 & 1 are for Heat, 3 & 4 are for
Cooling, 5 & 6 are for Fans
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