
PDU8000 Modular Integrated PDC V1.0 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
5.4.5 Combining Cabinets ................................................................................................................................................35 
5.4.6 Verifying the Installation..........................................................................................................................................37 
5.5 Connecting Cables......................................................................................................................................................38 
5.5.1 Cable Connection Precautions.................................................................................................................................38 
5.5.2 Connecting the Ground Cable for the PDC .............................................................................................................41 
5.5.3 Connecting Input Power Cables for the PDC ..........................................................................................................42 
5.5.4 Connecting Output Power Cables for the PDC........................................................................................................45 
5.5.5 Connecting Signal Cables for the PDC....................................................................................................................47 
6 Power-On Commissioning........................................................................................................49 
6.1 Check Before Power-On Commissioning...................................................................................................................49 
6.2 PDC Power-On Commissioning.................................................................................................................................51 
7 MDU Commissioning Guide....................................................................................................53 
7.1 Interface Description ..................................................................................................................................................53 
7.2 Common Operations...................................................................................................................................................63 
7.2.1 Information Export ..................................................................................................................................................63 
7.2.2 Configuration Loading.............................................................................................................................................64 
7.2.3 Modbus Protocol Expansion....................................................................................................................................66 
7.2.3.1 Import MD Config................................................................................................................................................66 
7.2.3.2 Extend MD Config ...............................................................................................................................................67 
7.3 DIP Switch..................................................................................................................................................................68 
8 Operation and Maintenance .....................................................................................................69 
8.1 Routine Maintenance..................................................................................................................................................69 
8.1.1 Monthly Maintenance..............................................................................................................................................69 
8.1.2 Quarterly Maintenance ............................................................................................................................................70 
8.1.3 Annual Maintenance ................................................................................................................................................70 
8.2 Alarm Reference.........................................................................................................................................................70 
8.3 Troubleshooting..........................................................................................................................................................73 
8.4 Parts Replacement ......................................................................................................................................................74 
8.4.1 Replacing a Circuit Breaker.....................................................................................................................................74 
8.4.2 Replacing a Hot-Swap Circuit Breaker....................................................................................................................77 
8.4.3 Replacing an MDU..................................................................................................................................................80 
8.4.4 Replacing an SPD Module.......................................................................................................................................81 
8.4.5 Replacing a Fuse......................................................................................................................................................83 
8.4.6 Replacing an Indicator.............................................................................................................................................85 
8.4.7 Replacing a Power Distribution Monitoring Board .................................................................................................87 
8.4.8 Replacing an Electricity Meter ................................................................................................................................88 
A PDC Silk Screen Description...................................................................................................90 
B Common Cable Preparation Methods....................................................................................91 
C Acronyms and Abbreviations..................................................................................................93