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© National Instruments Corporation 11 SCC-CO20 Isolated Current Output Module User Guide
Physical
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 V
peak
or
60 VDC of ground.
Maximum working voltage refers to the signal voltage plus the CMV.
Channel-to-earth (inputs) ....................... 42.4 V
peak
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 V
peak
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 V
rms
verified by a 5 s
dielectric withstand type test
1.87 cm
(0.74 in.)
7.93 cm
(3.12 in.)
3.55 cm
(1.4 in.)