Physical, Maximum working voltage, Environmental – National Instruments SCB-68 User Manual
Page 71
Chapter A
Specifications
SCB-68 Shielded Connector Block User Manual
A-2
ni.com
Voltage rating .........................................250 V
Nominal resistance .................................0.195
Ω
Physical
Box dimensions (including box feet)......19.5 by 15.2 by 4.5 cm
(7.7 by 6.0 by 1.8 in.)
I/O connectors.........................................One 68-pin male SCSI connector
Screw terminals ......................................68
Wire gauge
..............................................≤26 AWG
Resistor sockets ......................................0.032 to 0.038 in. (in diameter)
Maximum Working Voltage
Maximum working voltage refers to the signal voltage plus the
common-mode voltage.
Channel-to-earth .....................................42 V
rms
, Installation Category II
Channel-to-channel.................................42 V
rms
, Installation Category II
Environmental
Operating temperature ............................0 to 70 °C
Storage temperature ................................–20 to 70 °C
Humidity .................................................5 to 90% RH, noncondensing
Maximum altitude...................................2000 meters
Pollution Degree (indoor use only) ........II