ABB ACS355 User Manual

Maintenance and hardware diagnostics 353
Maintenance and hardware
diagnostics
What this chapter contains
The chapter contains preventive maintenance instructions and LED indicator
descriptions.
Maintenance intervals
If installed in an appropriate environment, the drive requires very little maintenance.
The table lists the routine maintenance intervals recommended by ABB.
Consult your local ABB Service representative for more details on the maintenance.
On the Internet, go to http://www.abb.com/drives
and select Drive Services –
Maintenance and Field Services.
Maintenance Interval Instruction
Reforming of capacitors Every year when
stored
See Capacitors on page 355.
Check of dustiness, corrosion
and temperature
Every year
Replacement of the cooling fan
(frame sizes R1…R4)
Every three years See Cooling fan on page 354.
Check and tightening of the
power terminals
Every six years See Power connections on page 355.
Replacement of the battery in
the assistant control panel
Every ten years See Changing the battery in the
assistant control panel on page 356.
Testing of Safe torque off (STO)
operation and reaction
Every year See Appendix: Safe torque off (STO)
on page 399.

ABB ACS355 Specifications

General

Input Voltage	200 V to 240 V AC, 380 V to 480 V AC
Frequency	47 Hz to 63 Hz
Control Method	Scalar control
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short circuit
Communication Interfaces	Modbus RTU, CANopen
Enclosure Rating	IP20
Operating Temperature	-10°C to +50°C (14°F to 122°F)
Storage Temperature	-40°C to +70°C (-40 to +158 °F)
Humidity	95% RH (non-condensing)
Altitude	Up to 1000 m (3280 ft) without derating