Apart from the indicated connections, it is necessary to wire the
Bb contact at the control section for signaling the readiness for
operation of the drive controller (see Project Planning Manual
"Rexroth IndraDrive Drive Controllers Control Sections").
Power dissipation, mounting position, cooling, distances
Cooling and power dissipation data
Description Symbol Unit HCS02.1EW0012-_-03
HCS02.1EW0028-_-03
HCS02.1EW0054-_-03
HCS02.1EW0070-_-03
Ambient temperature range for
operation with nominal data Ta_work °C 0...40
Ambient temperature range for
operation with reduced nominal
data
Ta_work_red °C 0...55
fTa %/K 2.0
Allowed mounting position G1
Cooling type Forced ventilation
Volumetric capacity of forced cool‐
ing V m3
/h Approx. 24 Approx. 40
Allowed switching frequencies1) fs kHz 4, 8, 12, 16
Power dissipation at Iout_cont = 0 A;
fs
= fs
(min.)2)
PDiss_0A_fs
min
W 25 35 85
Power dissipation at Iout_cont = 0 A;
fs
= fs
(max.)3)
PDiss_0A_fs
max
W 70 110 195 185
Power dissipation at continuous
current and continuous DC bus
power respectively4)
PDiss_cont W 80.00 130.00 270.00 300.00
Minimum distance on the top of
the device5) dtop mm 80
Minimum distance on the bottom
of the device6) dbot mm 80
Temperature increase with mini‐
mum distances dbot; dtop; PBD
ΔT K 12 40 50
Last modification: 2014-09-23
1) Also depending on firmware and control section; see parame‐
ter description "P-0-0001, Switching frequency of the power
output stage"; see "P-0-4058, Amplifier type data"; for supply
units the switching frequency is 4.2 kHz
2) 3) Plus dissipation of braking resistor and control section; find in‐
terim values by interpolation to P_Diss_cont
4) Plus dissipation of braking resistor and control section
5) 6) See fig. "Air intake and air outlet at device"
Tab. 5-6: HCS - Data for cooling and power dissipation
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