MID-7654/7652Servo Power Motor Drive User Guide 4 ni.com
qualifiedto do so and disconn ect all fieldpower prior to removing
coversor shields.
•Do not operate damaged equipment. The safety protection features
builtinto this devicecan become impaired if the devicebecomes
damagedin any way. If the device is damaged, turn the device off and
do not use it until service-trained personnel can check its safety.
Ifnecessary, 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 specifiedin this guide. Misuse of this equipment could
resultin a shockhazard.
•Do not substitute parts ormodify equipment. Because of the danger
ofintroducing additionalhazards, donot install unauthorized parts
or modify the device. Return the deviceto Nation alI nstruments for
serviceand repair to ensure its safety features are not compromised.
•Whenconnecting or disconnecting signal lines to the MID-7654/7652
terminalblock screw terminals, make sure the lines are powered off.
Potential differencesbetween the lin esand t heM ID-7654/7652
groundcreate ashock hazard whileyou connect thelines.
•Connectionsthat exceed any of the maximum signal ratings on the
MID-7654/7652device can create a shock or fire hazard or can
damage anyor all of the moti on controllers connected to the
MID-7654/7652 chassis, the host computer,and the MID-7654/7 652
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 servomotor connectors on this drive are energized when the unit
ispowered 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
wiresf rom the servo motor connectors. Strip back the insulation of
the servomotor w ires to the servomoto r connectors no more than
7 mm. Reattach the rear guard before you reconnect the unit to a power
outlet.Failure to do so could result in electric shock leading to serious
bodily injury or death.
•The bottom surfaceof the M ID-7654/7652 can get veryho t to the
touch under certain conditions. Toavoid 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
currents etting and safety hazards.