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VLT® Servo Drive System ISD 511
Operating Guide
E0
Enclosure size E0
[17–19]
Drive feedback
FS1
Single-turn feedback 17 bit
3.2.3 Motor Components
3.2.3.1 Shaft
The shaft transfers the motor force (torque) to the coupled turntable. The shaft is sealed by a shaft sealing system to achieve IP69K
on the shaft side of the motor (see
The shaft seal must be replaced at regular intervals (see
3.2.3.2 Flange
The flange is customized for mounting into a roundtable for a labeling application. The diameter of the flange and the associated
hole on the roundtable form a fitting connection.
The flange has a groove to house an O-ring, which can be used to prevent ingress of dirt and water, which could result in corrosion.
3.2.3.3 Cooling
The ISD 511 servo drives are self-cooling. Cooling (heat dispersal) is primarily via the flange, with a small amount dispersed by the
housing.
3.2.3.4 Thermal Protection
Thermal sensors monitor the maximum allowable temperature of the motor winding and switch the motor off if the limit of 150 °C
is exceeded. Thermal sensors are also present in the drive to protect the electronics against overtemperature. An error message is
sent via Real-Time Ethernet to the higher-level PLC and is also shown on the LCP.
Temperature protection:
•
Calculated winding temperature: Warning at 135 °C, fault at 150 °C
•
Power module temperature: Warning at 130 °C, fault at 140 °C (minimum temperature –10 °C)
•
Board temperature: Warning at 105 °C, fault at 110 °C
3.2.3.5 Built-In Feedback Devices
The built-in feedback device measures the rotor position. The feedback device in the ISD 511 servo drive is a BiSS-C 17-bit single-
turn encoder with an accuracy of ±5.4 arcmin.
3.3 Power Supply Module (PSM 510)
3.3.1 Overview
PSM is the abbreviation for Power Supply Module. It is the power supply to the servo system. The PSM 510 supplies a DC power
voltage and guarantees high-density output power. The DC-link and 24/48 V DC are distributed via the backlink in the backplates to
all system modules. The PSM 510 can be controlled via Ethernet-based fieldbus.
LEDs on the front of the PSM 510 show the operating status and warnings.
-
The system modules are designed for use within a control cabinet. If the STO function is used, the cabinet must be rated at
least IP54.
-
The PSM 510 has a protection rating of IP20 according to IEC/EN 60529 (except connectors, which are IP00).
-
The PSM 510 may be damaged if exposed to fluids.
All power cables are wired into the PSM 510, therefore at least 1 PSM 510 is required for each system.
The PSM 510 also performs service functions, such as voltage measuring, and is cooled by an internal fan.
The PSM 510 is available in 3 power sizes and delivers an output power of 10 kW, 20 kW, or 30 kW with 200% overload capacity for 3
seconds. To achieve an output power of up to 60 kW, 2 PSM 510 modules can be used in parallel.
24 | Danfoss A/S © 2023.08
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11.8.1 ISD 511 Servo Drives
for further information).
10.3 Maintenance
N O T I C E
No brake
Motor shaft
Customized shaft
Tasks).
System Description
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Troubleshooting
