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MID-7654/7652 Servo Power Motor Drive User Guide 4 ni.com
qualified to do so and disconnect all field power prior to removing
covers or shields.
• Do not operate damaged equipment. The safety protection features
built into this device can become impaired if the device becomes
damaged in any way. If the device is damaged, turn the device off and
do not use it until service-trained personnel can check its safety.
If necessary, return the device to National Instruments for service and
repair to ensure its safety is not compromised.
• Do not operate this equipment in a manner that contradicts the
information specified in this guide. Misuse of this equipment could
result in a shock hazard.
• Do not substitute parts or modify equipment. Because of the danger
of introducing additional hazards, do not install unauthorized parts
or modify the device. Return the device to National Instruments for
service and repair to ensure its safety features are not compromised.
• When connecting or disconnecting signal lines to the MID-7654/7652
terminal block screw terminals, make sure the lines are powered off.
Potential differences between the lines and the MID-7654/7652
ground create a shock hazard while you connect the lines.
• Connections that exceed any of the maximum signal ratings on the
MID-7654/7652 device can create a shock or fire hazard or can
damage any or all of the motion controllers connected to the
MID-7654/7652 chassis, the host computer, and the MID-7654/7652
device. This includes power signals to ground and vice versa. National
Instruments is not liable for any damages or injuries resulting from
incorrect signal connections.
• The servo motor connectors on this drive are energized when the unit
is powered on. The rear guard must be in place at all times while the
unit is connected to a power outlet. Disconnect the MID-7654/7652
unit from power outlet before connecting wires to or disconnecting
wires from the servo motor connectors. Strip back the insulation of
the servo motor wires to the servo motor connectors no more than
7 mm. Reattach therear guard before you reconnectthe unit to a power
outlet. Failure to do so could result in electric shock leading to serious
bodily injury or death.
• The bottom surface of the MID-7654/7652 can get very hot to the
touch under certain conditions. To avoid a burn hazard, refer to the
Setting Continuous and Peak Current Limits section within the Front
Panel DIP Switch Settings section of this guide for the appropriate
current setting and safety hazards.