National Instruments Relay Module SCC-RLY01 - Manual (Page 6)

SCC-RLY01 Relay Module User Guide 6 ni.com
I/O connectors.........................................One 20-pin right-angle
male connector
One 3-pin screw-terminal block
Field-wiring diameter .............................28 to 16 AWG
Maximum Working Voltage
Maximum working voltage refers to the signal voltage plus the
common-mode voltage.
When used with an SCC-2345
Channel-to-earth (inputs).................±60 VDC, Measurement
Category I
Caution Do not use for connection to signals in Measurement Category II, III, or IV.
Do not connect to MAINS.
When used with an SCC-68
Channel-to-earth (inputs).................±300 VDC, Measurement
Category II 1
Caution Do not use for connection to signals in Measurement Category III, or IV.
Isolation Voltage
Channel-to-channel, channel-to-earth isolation
Continuous.......................................60 VDC,
Measurement Category I
Withstand.........................................2300 V
rms
verified by a 5 s
dielectric withstand type test
Environmental
Operating temperature ............................0 to 50 °C
Storage temperature ................................–20 to 65 °C
Humidity .................................................10 to 90% RH, noncondensing
Maximum altitude...................................2,000 m
Pollution Degree (indoor use only) ........2
1 For voltages >60 VDC, you must use the high-voltage backshell.