2.2 Use as directed
Servo amplifiers are safety components that are built into electrical plant or machines,
and can only be operated as integral components of such plant or machines.
The manufacturer of the machine must generate a risk assessment for the machine, and
take appropriate measures to ensure that unforeseen movements cannot cause injury or
damage to any person or property.
If the servo amplifiers are used in residential areas, in business/commercial areas, or in
small industrial operations, then additional filter measures must be implemented by the
user.
Cabinet and Wiring
The servo amplifiers must only be operated in a closed control cabinet, taking into
account the ambient conditions defined on page 28. Ventilation or cooling may be neces-
sary to keep the temperature within the cabinet below 40°C.
Use only copper conductors for wiring. The conductor cross-sections can be derived from
the standard IEC 60204 (alternatively for AWG cross-sections: NEC Table 310-16, 60°C
or 75°C column).
Power supply
Servo amplifiers in the S300 series (overvoltage category III acc. to EN 61800-5-1) can
be supplied from 3-phase grounded (earthed) industrial supply networks (TN-system,
TT-system with grounded neutral point, no more than 42kA symmetrical rated current at
110
-10%
...230V
+10%
or 208
-10%
...480V
+10%
depending on the amplifier type). Connection
to other types of supply networks (with an additional isolating transformer) is described on
page 58.
Periodic overvoltage between phases (L1, L2, L3) and the housing of the servo amplifier
must not exceed 1000V crest. In accordance with IEC 61800, voltage spikes (< 50µs)
between phases must not exceed 1000V. Voltage spikes (< 50µs) between a phase and
the housing must not exceed 2000V.
Motors
The S300 family of servo amplifiers is exclusively intended for driving suitable brush less
synchronous servomotors or asynchronous motors with control of torque, speed and/or
position.
The rated voltage of the motors must be at least as high as the DC bus link voltage
divided by
2
produced by the servo amplifier (U
nMotor
³ U
DC
/
2
).
Functional Safety
Observe the chapter "use as directed" on page 39 when you use the safety function STO.
12 S300 Instructions Manual
Safety 02/2017 Kollmorgen
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