Beckhoff AX2500 Series, Assembly, Installation, Setup

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2.9.5
Permissible ambient conditions, ventilation, mounting position
Storage temp. /humidity/duration
ð
p.73
Transport temperature/humidity
ð
p.73
Supply voltage tolerances
main power
AX250x
AX251x
auxiliary supply
w/o brake and w/o fan
with brake or with fan
min 1x115V
-10%
AC / max 1x230V
+10%
, 50/60 Hz
min 3x115V
-10%
AC / max 3x230V
+10%
, 50/60 Hz
min 3x230V
-10%
AC / max 3x400V
+10%
, 50/60 Hz
20 VDC ... 30 VDC
24 VDC (-0% +15%), check voltage drop
Ambient temperature in operation
0...+45
o
C at rated conditions
+45...+55°C with power derating 2.5% / K
Humidity in operation rel. humidity 85%, no condensation
Site altitude
up to 1000m amsl without restrictions
1000...2500m amsl with derating 1.5% / 100m
Pollution level Pollution level 2 as per EN 60204 / EN 50178
Enclosure rating IP 20
Mounting position normally vertical
ð
p.25
Ventilation
AX25x3: free convection
AX25x6: add-on fan (
ð
p.72)
Make sure that there is adequate forced ventilation
within the closed control cabinet.
2.9.6
Conductor cross-sections
Technical requirements to cables
ð
p.33.
Following EN 60204-1, we recommend :
AC connection 1.5 mm², depending on the system fusing
Motor cables, max. 25m 1 mm², shielded, capacitance <150pF/m
Resolver, motor thermostat,
max.100m 4x2x0.25 mm², twisted pairs, shielded,
capacitance <120pF/m
Encoder, motor thermostat,
max. 50m 7x2x0.25 mm², twisted pairs, shielded,
capacitance <120pF/m
Analog signals 0.25 mm² , twisted pairs, shielded
Control signals, BTB, DGND 0.5 mm²
Holding brake (motor) 0.75 mm², shielded, check voltage drop
+24 V / XGND
max. 2.5 mm², check voltage drop
AX2500 Installation Manual 17
Beckhoff
02/06
Technical description