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8V1320.001-2 B & R Automation

Current Response Time 4 min 25 sec

The B & R Automation 8V1320.001-2 servo drive is part of the 8V1 ACOPOS Servo Drives series and has a rated power of 16 kW. It delivers a continuous current of 34 Aeff and a peak current of 80 Aeff, with a protection rating of IP20. The drive weighs 10.6 kilograms and supports a maximum installed load of 30 kVA.

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Internal Product Review

The 8V1320.001-2 is a B & R Automation ACOPOS servo drive rated at 16 kW with IP20 protection. Continuous output at 34 Aeff and peak current capacity of 80 Aeff support strong dynamic motor control in demanding motion applications. A 10 kHz nominal switching frequency adds smooth drive performance, making this unit a highly capable servo platform.

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Product Description:

The 8V1320.001-2 is an AC servo inverter manufactured by B & R Automation for the 8V1 ACOPOS Servo Drives series. It converts the shared DC bus voltage into three-phase waveforms whose amplitude and phase are controlled by the machine controller, thereby regulating the speed and torque of connected servomotors. The module is installed in control cabinets for packaging lines, pick-and-place gantries, and material-handling systems where precise, closed-loop motion is required.

Within its thermal limits, the drive supplies a continuous phase current of 34 Aeff, while it can deliver transient load peaks of up to 80 Aeff for rapid acceleration. The power stage supports up to 16 kW of mechanical output, making it suitable for midsize rotary or linear axes. Pulse-width modulation operates at a nominal carrier frequency of 10 kHz, and the inverter can synthesize fundamental frequencies as high as 598 Hz to keep high-speed spindles under vector control. The IP20 enclosure permits filtered cabinet airflow rather than providing a fully sealed housing. Additional operating limits include a 13 A starting current and a DC bus that engages above 455 VDC. The unit also has an internal capacitance of 1,645 µF and requires a braking resistor with a minimum resistance of 15 Ω for excess energy dissipation.

A separate logic rail is stabilized by 40,000 µF of input capacitance at 24 V, helping prevent control dropouts during supply dips. This rail also powers the 1.5 A brake output used to release holding brakes. Line protection is provided by a 12 A fast-acting fuse, and the front end accepts feeder capacities up to 30 kVA without nuisance trips. Motor cables may run up to 25 m while maintaining drive integrity and electromagnetic compatibility. The installation weight is 10.6 kg, allowing the unit to be mounted on a suitable backplate or supported rail without lifting equipment.

24 V Input Capacitance
40,000 µF
Brake Output Current
1.5 A
Continuous Current
34 Aeff
Dc Bus Capacitance
1645 µF
Dc Bus Switch-on Voltage
455 VDC
Fuse Rating
12 A (fast-acting)
Max Installed Load
30 kVA
Max Motor Line Length
25 m
Max Output Frequency
598 Hz
Min Braking Resistance
15 Ω
Nominal Switching Frequency
10 kHz
Peak Current
80 Aeff
Protection Rating
IP20
Rated Power
16 kW
Starting Current
13 A
Weight
10.6 kg

Frequently Asked Questions about 8V1320.001-2:

Q: What is the maximum installed load supported by the 8V1320.001-2 servo drive?

A: The 8V1320.001-2 supports a maximum installed load of 30 kVA.

Q: What is the peak current capability of the 8V1320.001-2?

A: This model has a peak current rating of 80 Aeff, allowing for short bursts of high power.

Q: What is the rated power of the 8V1320.001-2 servo drive?

A: The rated power output for the 8V1320.001-2 is 16 kW.

Q: What is the protection rating of the 8V1320.001-2 servo drive?

A: It features a protection rating of IP20, meaning it offers limited protection against dust and no protection against water.

Q: What is the minimum braking resistance required for the 8V1320.001-2 servo drive?

A: The minimum braking resistance for this drive is specified as 15 Ω.

Error / fault code What it means Corrective action
29207 Movement type not allowed Commanded motion is disallowed in the drive’s present PLCopen axis state Issue AxisStop, wait for StandStill or Homing, then re-issue the motion; review state-machine sequencing 
29216 Continuous movement not possible Axis left a valid motion state, aborting the move Clear upstream faults, verify axis enable chain, then re-trigger the block 
6021 Enable signal unstable +24 V “Drive Enable” input is low or chattering Tighten X1 screw terminals, load-test the 24 V supply, replace noisy relays/cables 
29203 Axis not ready to power-on STO inputs or other prerequisites not satisfied Close both STO channels, reset E-stop/safety relay, then issue PowerOn again 
41075 Continuous power > 95 % Drive is running near its thermal rating Reduce mechanical load or ambient temperature, or step up to a higher-power frame 
9075 Load power > 100 % Over-load warning (drive stays active) Check for binding, inertia mismatch or aggressive accel/decel ramps; monitor LOAD_POWER trend 
9076 Load power > 115 % Over-load trip; PWM disabled Same as 9075, plus allow heat-sink cool-down before reset 
6052 Power stage: high-side over-current Phase transistor detected an over-current spike Inspect motor leads for shorts, scope dV/dt, retune current loop; fit dv/dt choke if recurrent 
6048 Holding-brake movement monitor Shaft moved while brake was supposed to hold Verify brake torque & delay, check backlash and encoder scaling 
6060 Limit speed exceeded Electrical output frequency > 598 Hz for > 0.5 s Lower speed command or pole-pair setting; confirm feedback scaling 
Part number Supply voltage (VAC) Continuous current (A) Rated power (kW) Line filter Brake resistor
8V1320.001-2 3 × 400-480 34 16 Yes Yes 
8V1640.00-2 3 × 400-480 64 32 Yes Yes 
8V1180.001-2 3 × 400-480 19 9 Yes Yes
8V1090.001-2 3 × 400-480 8.8 4 Yes Yes
8V1045.00-2 3 × 400-480 (also 230) 4.4 2 Yes Yes
8V1022.00-2 3 × 400-480 2.2 1 Yes Yes
Error code What it means
29207 Movement type not allowed
29216 Continuous movement not possible
6021 Enable signal unstable
29203 Axis not ready to power-on
6052 Power stage — high-side over-current
6048 Holding-brake monitor: position error too large
6055 Holding-brake low voltage
6060 Limit speed exceeded
9075 Continuous power overload – movement stopped
7210 DC-bus charging: voltage unstable
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