3 - 23/May/97
Introduction
This manual provides the necessary information for a proper installation and an effective use
of DBM Digital Drives in the possible different configurations.
Its contents allow technicians to understand how the system works and to carry out
installation procedures.
The safety instructions provided in this Manual are included to prevent injury to personnel
(WARNINGS) or damage to equipment (CAUTIONS).
To emphasize the differences between new DBM 03 User's Manual and old DBM 01 User's
Manual, a vertical line in the left margin of the text indicates new items.
Accident Protection
Keep to the general security rules for electrical equipments. DBM-PS power supply is
electrically connected to mains.
WARNING: L+ and L- pins and BUS BAR can have voltage
≥
300Vdc even after
switching off (capacitive voltage). Discharge Time Approx. 6 Minutes.
WARNING: do not touch recovery resistor during operation to avoid scalds.
Ventilated enclosures containing dynamic braking resistors shall
provide a degree of protection of at least IP22 (according to
EN 60204-1, par. 13.3).
WARNING: when required for an emergency stop, opening motor phases must
be preceded by disabling the axis. The delay time must be at least
30 ms.
WARNING: the drive should be located in an environment that is free from dust,
corroding fumes and fluids. In condensating atmospheres, the
cabinet must be provided with an anti-condensation device.
Tightening Torque
CAUTION: do not exceed the tightening torque of the table
Screw
Tightening torque
Thread
[Nm]
[lb in]
M3
1.20
10.62
M4
3.00
26.55
M5
6.00
53.10
M6
10.0
88.50
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