Invertek Drives ODE-3-220070-3 [15/40] Power control wiring

Version 2.00 | Optidrive ODE-3 User Guide | 15www.invertekdrives.com

Power & Control Wiring

4

4.2. Protective Earth (PE) Connection

Grounding Guidelines

The ground terminal of each Optidrive should be individually connected DIRECTLY to the site ground bus bar (through the filter if

installed). Optidrive ground connections should not loop from one drive to another, or to, or from any other equipment. Ground loop

impedance must confirm to local industrial safety regulations. To meet UL regulations, UL approved ring crimp terminals should be

used for all ground wiring connections.

(girder, joist), a floor ground rod, or bus bar. Grounding points must comply with national and local industrial safety regulations and/

or electrical codes.

Motor Ground

The motor ground must be connected to one of the ground terminals on the drive.

Ground Fault Monitoring

As with all inverters, a leakage current to earth can exist. The Optidrive is designed to produce the minimum possible leakage current

whilst complying with worldwide standards. The level of current is affected by motor cable length and type, the effective switching

frequency, the earth connections used and the type of RFI filter installed. If an ELCB (Earth Leakage Circuit Breaker) is to be used, the

following conditions apply:

 A Type B Device must be used.

4.3. Incoming Power Connection

4.3.1. Cable Selection

 For 1 phase supply, the mains power cables should be connected to L1/L, L2/N.

 For 3 phase supplies, the mains power cables should be connected to L1, L2, and L3. Phase sequence is not important.

 For compliance with CE and C Tick EMC requirements, refer to section 4.10 EMC Compliant Installation on page 14.

 A fixed installation is required according to IEC61800-5-1 with a suitable disconnecting device installed between the Optidrive

and the AC Power Source. The disconnecting device must conform to the local safety code / regulations (e.g. within Europe,

EN60204-1, Safety of machinery).

 The cables should be dimensioned according to any local codes or regulations. Maximum dimensions are given in section 9.2.

Rating Tables.

place of fuses, providing that the clearing capacity is sufficient for the installation.

 The maximum permissible short circuit current at the Optidrive Power terminals as defined in IEC60439-1 is 100kA.