Campbell Scientific SDM-CD8S 8 Channel Solid State DC Control Module User Manual

Page 15

Advertising
background image

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

9

Advertising