When you need simplicity and intelligence in one self-contained solution the ACS550 covers a wide range of options. Ideal for variable and constant torque applications from pumps and fans to conveyors and mixers as well as many other variable and constant torque applications. Enjoy plug and play convenience right from the start. No customizing or special product engineering required. Monitor your savings easily with the built-in counters, which display energy savings in kilowatt hours, carbon dioxide emissions or local currencies.
| Mains Connection | |
| Voltage and power range | 3-phase, 380 to 480 V, +10/-15%, 0.75 – 355 kW 3-phase, 200 to 240 V, +10/-15%, 0.75 – 75 kW Auto-identification of input line |
| Frequency | 48 to 63 Hz |
| Power factor | 0.98 |
| Motor Connection | |||||||||
| Voltage | 3-phase, from 0 to USUPPLY | ||||||||
| Frequency | 0 to 500 Hz | ||||||||
| Continuous loading capability (constant torque at a max ambient temperature of 40oC) |
Rated output current I2 | ||||||||
| Overload capacity (at a max. ambient temperature of 40oC) |
At normal use 1.1 x I2N for 1 minute every 10 minutes At heavy use 1.5 x I2hd for 1 minute every 10 minutes Always 1.8 x I2hd for 2 seconds every 60 seconds |
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| Switching frequency Standard Selectable |
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| Acceleration time | 0.1 to 1800 s | ||||||||
| Deceleration time | 0.1 to 1800 s | ||||||||
| Speed controlStatic accuracy Dynamic accuracy |
20% of motor nominal slip < 1% s with 100% torque step |
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| Torque Control Torque step rise time Non-linearity |
<10 ms with nominal torque ± 5% with nominal torque |
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| Environmental Limits | |||||||||
| Ambient temperature-15 to 40oC 40 to 50oC |
No frost allowed fswitch 4 kHz, derating please contact us |
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| Altitude Output current |
Rated current available at 0 to 1000 m reduced by 1% per 100 m over 1000 m to 2000 m. |
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| Relative humidity | Lower that 95% (without condensation) | ||||||||
| Protection class | IP 21 or IP 54 | ||||||||
| Enclosure colour | NCS 1502-Y, RAL 9002, PMS 420 C | ||||||||
| Contamination levelsTransportationStorageOperation | IEC 721-3-3 No conductive dust allowed Class 1C2 (chemical gases) Class 1S2 (solid particles) Class 2C2 (chemical gases) Class 2S2 (solid particles) Class 3C2 (chemical gases) Class 3S2 (solid particles) |
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| Programmable Control Connections | |||||||||
| Two analogue inputsVoltage signal Current signal Potentiometer reference value Maximum delay Resolution Accuracy |
0 (2) to 10 V, Rin > 312 k© single ended 0 (4) to 20 mA, Rin = 100© single ended 10 V ±2% max. 10 mA, R < 10 k© 12 … 32 ms 0.1% ±1% |
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| Two analogue outputs | 0 (4) to 20 mA, load < 500 © | ||||||||
| Auxiliary voltage | 24 V DC ±10%, max. 250 mA | ||||||||
| Six digital inputsInput impedance Maximum delay |
12 V .. 24 V DC with internal or external supply, PNP and NPN2.4 k © 5 ms ± 1ms |
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| Three relay outputsMaximum switching voltage Maximum switching current Maximum continuous current |
250 V AC / 30 V DC 6 A / 30 V DC; 1500 V A / 230 V AC 2 A rms |
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| Serial communication RS 485 |
Modbus protocol | ||||||||
| Protection Limits | |||||||||
| Overvoltage trip limitsRunning V DC Start inhibit DC |
842 (corr. to 595 V input) 661 (corr to 380 – 415 V input) 765 (corr. to 440 – 480 V input) |
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| Undervoltage trip limits Running V DC |
333 (corr. to 247 V input) 436 (corr. to 380 – 415 V input) 505 (corr. to 440 – 480 V input) |
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| Product Compliance | |||||||||
| Low Voltage Directive 73 / 23 / EEC with supplements | |||||||||
| Machinery Directive 98 / 37 / EC | |||||||||
| EMC Directive 89 / 336 / EEC with supplements | |||||||||
| Quality assurance system ISO 9001 and environmental system ISO 14001 CE, UL and cUL approvals | |||||||||
| EMC (according to EN61800-3) | |||||||||
| 1st environment restricted distribution for frame sizes R3, R4 with 30 m motor cables and for frame sizes R1, R2, R5, R6 with 100 m motor cables 2nd environment unrestricted distribution with 100 m cable as standard For longer motor cable lengths, external EMC filters are available on request |
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