AHD70E4-44S Kollmorgen Application of servo drive motor controller

The following circuit sections are built onto a single Eurocard, 199x100x12TE with
SMD-technology:
3-phase power supply with smoothing capacitors (-P-)
single phase supply (any phase with the rated voltage, possibly with extra
smoothing capacitance) is possible
fuses for DC-link, ballast circuit and auxiliary power supply
ballast circuit with -w- characteristic
4-quadrant output stage (V-MOS transistors)
auxiliary supply, optionally (solder links) supply from the DC-link
or an external 24 V DC source
2 differential setpoint inputs
input for DC tacho
Enable input
limit-switch inputs positive / negative
integral-off input for driving up to a fixed stop monitoring for actual current value

PI current and speed controller
trimmer potentiometer and fixed components for all important settings
solder links for changing to IxR compensation for optional operation with
tachometer or armature voltage control
24 V logic with electrically isolated optocouplers for the control signals, PLC-compatible
system ready (BTB) relay with floating contact
display LEDs for operational readiness / fault

15 V auxiliary voltage outputs,
20 mA
Protective and monitoring functions
protected from short-circuit / earth short on the motor connection terminals
monitoring of the operating voltages
temperature monitoring of the output stage
fuse-protection of: ballast circuit, DC-link, auxiliary supply
monitoring of the amplifier and motor
overvoltage protection

Transport temperature/humidity see Chapter VI.1
Storage temperature/
humidity/duration see Chapter VI.1
Supply voltage tolerances
power stage
aux. supply (Option -24V-)
3x43V AC
10%
min. 20V DC / max. 30V DC referred to -GND
Ambient temperature TAMB.
in operation
0 … +45°C under rated conditions
+45 … +55°C with derating 2.5%/°C (forced convection)
Humidity in operation 5 … 85 % rel. humidity, no condensation
Site altitude up to 1000m a.m.s.l. without restriction
1000 … 2500m a.m.s.l. with derating 1.5%/100m
Pollution level pollution level 2 according to EN60204/EN50178
Protection class IP 00

Mounting location / position in closed switchgear cabinet / normally vertical
Ventilation cont. current < 8A
and TAMB. < 45°C
cont. current
8A
or TAMB. > 45°C
self-ventilating with natural convection (we always recommend
forced convection at higher loads or in narrow spaces).
forced convection
ensure that the incoming air is dust-free and that there is an
adequate supply of cooling air to the cabinet.

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