Campbell Scientific SDM-CD16S 16-Channel Solid State DC Relay Controller Module - Manual (Page 10)

SDM-CD16S 16 Channel Solid State DC Control Module
TABLE 1. Datalogger to SDM-CD16S Connections
SDM-CD16S Datalogger Function
Logic Power 12 V on datalogger or
7 to 48 V external supply Power
Logic Gnd Gnd Common ground
C1 C1 (Control Port 1) Data
C2 C2 (Control Port 2) Clock
C3 C3 (Control Port 3) Enable
4.1.2 Controlled Device Connections
In most applications, the SDM-CD16S acts as a switch (controllable break) in
the positive supply of the circuit powering the controlled device. Figure 4
shows an example.
Device
SDM_CD16
Load
Power
Out
DC Power
Supply
+
GND
FIGURE 4. Typical Wiring Application
5. Address Selection Switch
Each SDM-CD16S can have 1 of 16 addresses. Shipped from the factory, the
address is set at 00. Table 2 shows switch position and the corresponding
address.
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