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© National Instruments Corporation
3
SCC-CO20 Isolated Current Output Module User Guide
Tools
1/8 in. flathead screwdriver
Numbers 1 and 2 Phillips screwdrivers
Wire insulation stripper
Note
Software scaling of measurements is not supported on the Macintosh operating 
system. Refer to the 
 section.
You can download NI documents from 
ni.com/manuals
. To download 
the latest version of NI-DAQmx, click Download Software at
ni.com
.
Device Specific Information
Note
For general SCC module installation and signal connection information, and 
information about the SC-2345/2350 carrier, refer to the SCC Quick Start Guide, available 
for download at 
ni.com/manuals
.
Installing the SCC-CO20
Caution
Refer to the Read Me First: Safety and Radio-Frequency Interference document 
before removing equipment covers or connecting/disconnecting any signal wires.
Plug the SCC-CO20 into either SC-2345/2350 analog output socket 
J(X
+17), where X is 0 or 1. The SC-2345/2350 routes the voltage output of 
E/M Series DAQ device analog output channel AO (X) to the SCC-CO20.
Connecting the SCC-CO20 to a Load
Note
The signal names have changed. Refer to 
ni.com/info
 and enter 
rdtntg
 
to confirm the signal names.
The screw terminals are labeled by pin number <1..3>. Pin 1 is the ground, 
pin 2 is the current sink, and pin 3 is the isolated loop supply. Figure 1 
shows how the ground, sink, and supply connect to the E/M Series DAQ 
device.