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Modulon NH Plus Series

1. SNMP Card................................................................................. 3-13

2. Programmable Relay I/O Card.................................................... 3-14

3. ModBUS Card............................................................................. 3-16

3-4 Other Optional Accessories......................................................................... 3-17

1. Environmental Sensor ................................................................ 3-17

2. SNMP + Switching Hub .............................................................. 3-18

3-5 Technical Specification ................................................................................ 3-19

4. Installation and Wiring ..................................................................................... 4-1

4-1 Before Installation........................................................................................ 4-1

4-2 Package Inspections ................................................................................... 4-1

4-3 Storing Conditions for Delayed Installation.................................................. 4-1

4-4 Installation Environment and Position ......................................................... 4-2

4-4-1 Handling Safety................................................................................ 4-2

4-4-2 UPS Position.................................................................................... 4-2

4-4-3 Installation Environment................................................................... 4-4

4-5 Wiring .......................................................................................................... 4-5

4-5-1 Preparations..................................................................................... 4-5

4-5-2 Wiring (Single Unit) .......................................................................... 4-6

4-5-3 Connecting External Battery Cabinet ............................................... 4-8

4-5-4 Wiring (Parallel Redundancy, Single Input)...................................... 4-10

4-5-5 Wiring (Parallel Redundancy, Dual Input) ........................................ 4-11

5. Operating Procedures...................................................................................... 5-1

5-1 Startup Procedures (Single Unit) ................................................................. 5-1

5-2 Battery Startup Procedures (Single Unit)..................................................... 5-2

5-3 Shutdown Procedures (Single Unit) ............................................................ 5-2

5-4 Manual Bypass Startup Procedures (Single Unit)........................................ 5-3

5-5 Startup Procedures (Parallel Redundancy) ................................................. 5-4

5-6 Shutdown Procedures (Parallel Redundancy)............................................. 5-4

5-7 Manual Bypass Startup Procedures (Parallel Redundancy)........................ 5-5

6. Power Module Replacement............................................................................. 6-1

6-1 Status LED Indicators for Power Module..................................................... 6-1

6-2 Power Module Replacement ....................................................................... 6-2

Delta Electronics NH Plus Series User Manual

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