National Instruments SCC-CO20 用户手册

The SCC-CO20 is an isolated current output module that outputs up to 
20 mA. The output current level is proportional to the voltage applied to 
the module by an analog output channel of an E/M Series DAQ device.

The following conventions are used in this guide:

<>

Angle brackets that contain numbers separated by an ellipsis represent 
a range of values associated with a bit or signal name—for example, 
AO <3..0>.

The » symbol leads you through nested menu items and dialog box options 
to a final action. The sequence File»Page Setup»Options directs you to 
pull down the File menu, select the Page Setup item, and select Options 
from the last dialog box.

This icon denotes a note, which alerts you to important information.

This icon denotes a caution, which advises you of precautions to take to 
avoid injury, data loss, or a system crash.

 

When this symbol is marked on 

the product, refer to the Read Me First: Safety and Radio-Frequency 
Interference document, shipped with the product, for precautions to take.

When symbol is marked on a product, it denotes a warning advising you to 
take precautions to avoid electrical shock.

When symbol is marked on a product, it denotes a component that may be 
hot. Touching this component may result in bodily injury.

Bold text denotes items that you must select or click in the software, such 
as menu items and dialog box options. Bold text also denotes parameter 
names.