Physical

1.87 cm

 

 

(0.74 in.)

 

 

 

7.93 cm

 

 

 

 

 

 

(3.12 in.)

3.55 cm

(1.4 in.)

 

Figure 6. SCC-CO20 Dimensions

Weight....................................................

28 g (1.0 oz)

I/O connectors ........................................

One 20-pin right-angle male

 

connector

 

One 3-pin screw terminal

Field-wiring diameter.............................

28 to 16 AWG

Maximum Working Voltage

(Signal + common-mode) each input should remain within 42.4 Vpeak or 60 VDC of ground.

Maximum working voltage refers to the signal voltage plus the CMV.

Channel-to-earth (inputs) .......................

42.4 Vpeak or 60 VDC,

 

Measurement Category I

Caution This device is rated for Measurement Category I and is intended to carry signal

voltages no greater than 42.4 Vpeak or 60 VDC. Do not use this device for connection to signals or for measurements within Categories II, III, or IV.

Isolation Voltage

Channel-to-earth isolation

 

Continuous ......................................

60 VDC,

 

Measurement Category I

Withstand ........................................

2300 Vrms verified by a 5 s

 

dielectric withstand type test

© National Instruments Corporation

11

SCC-CO20 Isolated Current Output Module User Guide