Technical data
6.2.7 Ambient conditions, ventilation, mounting position
Storage hints
ð p.17
Transport hints
ð p.17
Supply voltage
Auxiliary voltage
without brake and fan
with brake or fan
303-310*: 1x110V
-10%
…1x230V
+10%
, 50/60 Hz
3x110V
-10%
…3x230V
+10%
, 50/60 Hz
341-346*: 3x208V
-10%
...3x 480V
+10%
, 50/60 Hz
20VDC...30VDC
24 V DC (-0% +15%), check voltage drop !
Ambient temperature in operation
0...+40°C under rated conditions
+40...+55°C with power derating 2.5% / °C
Humidity in operation
rel. humidity 85%, no condensation
Site altitude
up to 1000 meters a.m.s.l. without restriction
1000…2500 meters a.m.s.l. with power derating
1.5% / 100meters
Pollution level
Pollution level 2 as per IEC 60664-1
Vibrations
Class 3M2 according to IEC 60721-3-3
Enclosure protection
IP 20 according to IEC 60529
Mounting position
vertical ð p.44
Ventilation 1 A and 3 A types
all other types
natural convection
built-on fan (optionally controlled, ð p.126)
Make sure that there is sufficient forced ventilation within the control cabinet.
* order code reference see p. 20
6.2.8 Conductor cross-sections
Following IEC 60204, we recommend for single-axis systems:
AC connection
1.5 mm² (14awg) 600V,80°C
DC bus link
Brake resistor
1.5 mm² (14awg)
1000V, 80°C,
shielded for lengths
>20cm
Motor cables up to 25 m
1 - 1.5 mm² (14awg)
600V, 80°C, shielded,
capacitance <150pF/m
Motor cables 25m to 50 m,
with motor choke 3YL
1 mm² (14awg)
600V,80°C, shielded,
capacitance <150pF/m
Resolver, motor thermal
control
4x2x0.25 mm² (22awg),
max. 100m
twisted pairs, shielded,
capacitance <120pF/m
Encoder, motor thermal
control
7x2x0.25 mm² (22awg),
max.50m
twisted pairs, shielded
ComCoder, motor thermal
control
8x2x0.25 mm² (22awg),
max.25m
twisted pairs, shielded
Setpoints, AGND
0.25 mm² (22awg), max 30m twisted pairs, shielded
Control signals, BTB, DGND
0.5 mm² (20awg), max 30m
Holding brake (motor)
min. 0.75 mm² (18awg)
600V, 80°C, shielded,
check voltage drop
+24 V / DGND
max. 2.5 mm² (12awg) check voltage drop
For multi-axis systems, observe the specific operating conditions for your system.
To reach the max. permitted cable length, observe cable requirements ð p. 51.
* Kollmorgen North America supplies cables up to 39 meters
* Kollmorgen Europe supplies cables up to max. length
26 S300 Instructions Manual
Technical description 09/2011 Kollmorgen