ABB REC 523 Technical Reference Manual page 5

1MRS750881-MUM
Remote Monitoring and Control Unit
Technical Reference Manual
7.2. Terminal connections ..................................................................64
7.3. Terminal diagrams ......................................................................69
7.3.1. REC 523 with sensors .....................................................69
7.3.2. REC 523 with three current transformers ........................70
7.3.3. REC 523 with three current and three voltage
transformers .....................................................................71
7.3.4. REC 523 with four current and three voltage
transformers .....................................................................72
7.3.5. REC 523 with five current and four voltage
transformers .....................................................................73
7.3.6. REC 523 with six current and three voltage
transformers .....................................................................74
7.3.7. REC 523 with three current and six voltage
transformers .....................................................................75
7.3.8. Application example .........................................................76
8. Service .....................................................................................77
9. Ordering information ..............................................................79
9.1. Order number ..............................................................................79
9.2. Software configuration and software number ..............................79
9.3. Optional peripherals ....................................................................80
10.Parts and assembly description ...........................................81
11.Revision history of REC 523 .................................................83
11.1.Revision identification .................................................................83
11.2.Changes and additions to earlier released revisions ..................83
11.2.1.Release Q1/99 .................................................................83
11.2.2.Release Q2/99 .................................................................83
11.2.3.Release Q4/00 .................................................................85
11.2.4.Release Q1/04 .................................................................86
11.2.5.Release Q1/05 .................................................................87
12.Index ........................................................................................89
REC 523
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