4.2.4 Dry Contact Port J8
The dry contact port J8 is shown in Figure 4.7 below and described in Table 4.6 below. The dry contact can bear voltage up
to 24 Vdc or 250 Vac, and the largest current flowing is 5 A.
F igu re 4.7 Dry co n tact po rt J 8
Port
Pin
D efault s ig nal
1. Bypass Backfeed
J8-1
Normally open. Closed when bypass has backfeed
J8-3
Bypass backfeed protection relay common
J8-5
Normally closed. Open when bypass has backfeed
2. Input Backfeed
J8-2
Normally open. Closed when rectifier has backfeed
J8-4
Rectifier backfeed protection relay common
J8-6
Normally closed. Open when rectifier has backfeed
T able 4.6 Descriptio n o f dry co n tact po rt J 8
4 Electrical Installation
53
Vertiv™ Liebert® APM Plus User Manual
Summary of Contents for APM Plus 0500kMK16FN02000
Page 1: ...Vertiv Liebert APM Plus User Manual 50 500 kVA UPS...
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Page 34: ...2 Overview 26 This page intentionally left blank Vertiv Liebert APM Plus User Manual...
Page 45: ...Four switches 500 kVA 3 Mechanical Installation 37 Vertiv Liebert APM Plus User Manual...
Page 76: ...Figure 5 11 Customize the display 5 Touch Screen 68 Vertiv Liebert APM Plus User Manual...
Page 86: ...Figure 5 20 Enable module redundancy 5 Touch Screen 78 Vertiv Liebert APM Plus User Manual...
Page 91: ...Figure 5 24 Status Gauge setting options 5 Touch Screen 83 Vertiv Liebert APM Plus User Manual...
Page 92: ...5 Touch Screen 84 Vertiv Liebert APM Plus User Manual...
Page 94: ...5 Touch Screen 86 Vertiv Liebert APM Plus User Manual...
Page 95: ...Figure 5 26 Unit status Bypass details 5 Touch Screen 87 Vertiv Liebert APM Plus User Manual...
Page 96: ...Figure 5 27 Unit status Battery details 5 Touch Screen 88 Vertiv Liebert APM Plus User Manual...
Page 97: ...Figure 5 28 Unit status Load details 5 Touch Screen 89 Vertiv Liebert APM Plus User Manual...
Page 100: ...5 Touch Screen 92 Vertiv Liebert APM Plus User Manual...
Page 112: ...5 Touch Screen 104 This page intentionally left blank Vertiv Liebert APM Plus User Manual...
Page 184: ...12 Specifications 176 This page intentionally left blank Vertiv Liebert APM Plus User Manual...