8-4
Routine Maintenance and Repair
DC590+ Series DC Digital Drive
WARNING
Now isolate the unit completely from all supplies. It may be necessary to remove an armature and field
connection to carry out the following checks.
Continuity Test on Fuses Using a Meter
9
or
8
Check the coding fuses on the power board
Check the auxiliary fuses etc. (fan fuse, if applicable)
Diode Check on Power Terminals Using a Meter
9
or
8
A+ to L1, L2, L3 and Earth Terminal = Open Circuit
A- to L1, L2, L3 and Earth Terminal = Open Circuit
Internal Field Check Using a Meter
All the coding fuses must be OK before continuing with the following checks since the fuses are in the circuit.
9
or
8
-ve to L1 & +ve to F+ = Diode Drop (approximately 0.5V)
-ve to L2 & +ve to F+ = Diode Drop (approximately 0.5V)
-ve to F- & +ve to F+ = Diode Drop (approximately 0.5V)
-ve to L1 & +ve to F- = Open Circuit
-ve to L2 & +ve to F- = Open Circuit
External Field Check Using a Meter
9
or
8
-ve to FL1 & +ve to F+ = Diode Drop (approximately 0.5V)
-ve to FL2 & +ve to F+ = Diode Drop (approximately 0.5V)
-ve to F- & +ve to F+ = Diode Drop (approximately 0.5V)
-ve to FL1 & +ve to F- = Open Circuit
-ve to FL2 & +ve to F- = Open Circuit
Make a note of the Serial Number and Model Number.
Serial Number
Model Number
Re-establish all connections. All terminals should be secure and not over-torqued.
Summary of Contents for 590+ series
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Page 14: ...Cont 12...
Page 16: ...DC590 Series DC Digital Drive...
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Page 32: ...2 12 Product Overview DC590 Series DC Digital Drive...
Page 34: ......
Page 130: ...3 96 Installing the Drive DC590 Series DC Digital Drive...
Page 132: ......
Page 164: ...4 32 Operating the Drive DC590 Series DC Digital Drive...
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Page 174: ...5 8 Control Loops DC590 Series DC Digital Drive...
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Page 222: ...7 20 Trips and Fault Finding DC590 Series DC Digital Drive...
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Page 272: ...DC590 Series DC Digital Drive...
Page 288: ...B 16 Certification DC590 Series DC Digital Drive...
Page 290: ......
Page 342: ...C 52 Parameter Specification Tables DC590 Series DC Digital Drive...
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Page 365: ...Programming D 21 DC590 Series DC Digital Drive Functional Description...
Page 494: ...D 150 Programming DC590 Series DC Digital Drive Programming Block Diagram Sheet 1...
Page 495: ...Programming D 151 DC590 Series DC Digital Drive Programming Block Diagram Sheet 2...
Page 496: ...D 152 Programming DC590 Series DC Digital Drive Programming Block Diagram Sheet 3...
Page 497: ...Programming D 153 DC590 Series DC Digital Drive Programming Block Diagram Sheet 4...
Page 502: ...D 158 Programming DC590 Series DC Digital Drive...
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Page 506: ...E 2 Technical Specifications DC590 Series DC Digital Drive...
Page 507: ...Technical Specifications E 3 DC590 Series DC Digital Drive...