1056748 03/2023
1056748 03/2023
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Safety instructions
4.2 General safety instructions
DANGER
Electric servo actuators and motors have dangerous live and rotating parts. All work during connection, operation, repair
and disposal must be carried out by qualified personnel as described in the standards EN 50110-1 and IEC 60364!
Before starting any work, and especially before opening covers, the actuator must be properly isolated. In addition to
the main circuits, the user also has to pay attention to any auxilliary power supply circuits.
Caution Danger: The Harmonic Drive
®
Servo Actuators are permanent magnet synchronous servo motors with
integrated gears. These motors induce a voltage when they are mechanically driven. Therefore, voltage is present at the
motor terminals when the rotor is rotating.
All work must therefore be carried out without load and at a standstill and only by qualified personnel.
Observing the five safety rules:
•
Disconnect mains
•
Prevent reconnection
•
Test for absence of harmful voltages
•
Ground and short circuit
•
Cover or close off nearby live parts
The measures taken above must only be withdrawn when the work has been completed and the device is fully
assembled. Improper handling can cause damage to persons and property. The respective national, local and factory
specific regulations must be adhered to.
The actuator may only be used for its intended use as a drive. For safety and thermal reasons, operation is only
permitted when the actuator is completely screwed to the machine frame and the load. In the event of improper use, the
user alone bears the risk for malfunctions and damage. The manufacturer is released from liability.
Any modification to the actuator without the prior written consent of Harmonic Drive SE will invalidate the warranty.
The manufacturer of the machine or plant, who installs the actuator in his product, is obliged to use suitable technical
devices to prevent persons in the vicinity from being endangered in the event of malfunctions of the actuator or other
components of the machine or plant.
4.3 Hot surfaces
CAUTION
During operation, surface temperatures of over 55 °C can occur on the actuators. Do not touch the hot surfaces. No
temperature sensitive parts, e.g. electric cables or electronic components, may be in contact with or attached to the
actuator. If necessary, contact protection measures must be taken.
4.4 Electromagnetic fields
DANGER
Electric, magnetic and electromagnetic fields that occur during operation pose a particular risk to people with
pacemakers, implants or similar. Endangered groups of people must therefore not stay in the immediate vicinity of the
product.
4.5 Risk of crushing
DANGER
Actuators in motion can cause serious injury and there is a risk of crushing and of materials or body parts such as
clothing or hair being drawn in.
4.6 Suspended loads
CAUTION
Built in holding brakes are not functionally safe by themselves, particularly with unsupported vertical axes. Functional
safety can only be achieved with additional, external mechanical brakes.
4.7 Batteries
DANGER
Risk of injury due to improper handling of batteries.
Observing the battery safety rules:
•
do not insert batteries in reverse. Observe the + and - marks on the battery and on the electrical device
•
do not short circuit
•
do not recharge
•
do not force open or damage
•
do not expose to fire, water or high temperature
•
remove and discard exhausted batteries from the electrical device immediately
•
keep batteries out of reach of children. If swallowed, seek medical assistance immediately
4.8 Moving and ejected parts
Contact with moving parts or output elements and the ejection of loose parts (e.g. feather keys) out of the motor
enclosure can result in severe injury or death.
•
Remove or carefully secure any loose parts
•
Do not touch any moving parts
•
Protect against all moving parts using the appropriate safety guards
4.9 Unexpected movement of machines
Unexpected movement of machines caused by inactive safety instructions.
•
Inactive or non adapted safety functions can trigger unexpected machine movements that may result in serious
injury or death.
•
Observe the information in the appropriate product documentation before commissioning
•
Carry out a safety inspection for functions relevant to safety on the entire system, including all safety related
components
•
Make sure the safety functions relevant to your product are applied
•
Perform regular function tests
•
Only use the system productively after having correctly executed the safety relevant functions
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Assembly Instructions Servo Actuators
