1 warnings, 2 cautions, Warnings – ElmoMC SimplIQ Digital Servo Drives-Cello Installation Guide User Manual
Page 8: Cautions
Cello Installation Guide
Safety Information
MAN-CELIG (Ver. 1.602)
8
1.1 Warnings
To avoid electric arcing and hazards to personnel and electrical contacts, never
connect/disconnect the servo drive while the power source is on.
Power cables can carry a high voltage, even when the motor is not in motion.
Disconnect the Cello from all voltage sources before it is opened for servicing.
After shutting off the power and removing the power source from your
equipment, wait at least 1 minute before touching or disconnecting parts of
the equipment that are normally loaded with electrical charges (such as
capacitors or contacts). Measuring the electrical contact points with a meter,
before touching the equipment, is recommended.
1.2 Cautions
The Cello servo drive contains hot surfaces and electrically-charged
components during operation.
The maximum DC power supply connected to the instrument must comply with
the parameters outlined in this guide.
The Cello can operate only through an isolated power source, using an isolated
transformer and a rectifier circuit. Power to this device must be supplied by DC
voltage, within the boundaries specified for the Cello. High voltages may
damage the drive.
The DC power supply voltage range is defined in the table in Section 4.3.
Safety margins must be considered in order to avoid activating the under- or over-voltage
protection against line variations and/or voltage drop under load. The transformer should
be able to deliver the required power to the drive (including peak power) without
significant voltage drops (10% maximum). While driving high-inertia loads, the power
supply circuit must be equipped with a shunt regulator; otherwise, the drive will be
disabled whenever the capacitors are charged above the maximum voltage.
Before switching on the Cello, verify that all safety precautions have been
observed and that the installation procedures in this manual have been
followed.
Do not clean any of the Cello drive's soldering with solvent cleaning fluids of pH
greater than 7 (8 to 14). The solvent corrodes the plastic cover causing cracks
and eventual damage to the drive's PCBs.
Elmo recommends using the cleaning fluid Vigon-EFM which is pH Neutral (7).
For further technical information on this recommended cleaning fluid, select the link: