Connecting The Er-8/16 To Your Daq Device - National Instruments ER-8 User Manual

Chapter 2
Use and connect to only one of the following connectors when operating the
ER-8/16: the DIO-24, DIO-32, or IN connector. National Instruments is
liable for any damages resulting from incorrect connections.
Equipment described in this document must be used in an Installation
Category II environment per IEC 664. This category requires local level
supply mains-connected installation.
Do not operate this equipment in a manner that contradicts the information
specified in this document. Misuse of this equipment could result in a shock
hazard.
Terminals are for use only with equipment that has no accessible live parts.
Use only 26-16 AWG wire with a voltage rating of 300 V and 60° C for
controlling 250 V. Prepare your signal wire by stripping the insulation no
more than 7 mm.
Connect the signal wires to the screw terminals by inserting the stripped end
of the wire fully into the terminals. Tighten the terminals to a torque of 5-
7 in.-lb.
Clean devices and terminal blocks by brushing off light dust with a soft,
nonmetallic brush. Remove other contaminants with deionized water and a
stiff nonmetallic brush. The unit must be completely dry and free from
contaminants before returning to service.

Connecting the ER-8/16 to Your DAQ Device

The following are general instructions for setting up your ER-8/16. Consult your computer user
manual or technical reference manual for specific instructions and warnings.
Warning:
Connections that exceed any of the maximum rating of the input signals on the
ER-8/16 can damage the ER-8/16, your computer, and the DAQ device.
Maximum input ratings for each signal are given in Appendix A, Specifications.
National Instruments is
connections that exceed any of these ratings.
1. Turn off the host computer power before making any connections.
Warning:
Keep away from live circuits.
ER-8/16 when it is operating or is powered on. If signal wires are
connected to the unit, dangerous voltages may exist even when the
equipment is turned off. To avoid dangerous electrical shock, do not
perform procedures involving cover removal unless you are qualified to do
so. Before removing the cover make sure that the computer and the power
supply are turned off and that the signal wires connected to the screw
terminals do not contain live voltages.
© National Instruments Corporation
liable for any damages resulting from signal
NOT
DO NOT REMOVE THE TOP COVER
2-5
Setup
NOT
of the
ER-8/16 User Manual