Operating Instructions
Siemens Industry, inc. iv
Real Time Clock Power Source ................................................................................. 31
Retrieving Interval Data ........................................................................................... 32
MD-xxHD Web App Overview ................................................................................... 33
Connect to Web App using USB ............................................................................. 34
Connect to Web App using Ethernet ....................................................................... 34
Authentication .......................................................................................................... 34
MacOS Users ............................................................................................................. 35
Meter Installation - Details............................................................................................ 36
Meter Mounting Configurations .................................................................................. 36
Installation Sequence .............................................................................................. 37
Connecting Voltage ................................................................................................. 39
Wiring the MD-xxHD Meter in a 3-wire, Split ɸ Service Panel ................................... 40
Wiring the MD-xxHD Meter in a 4-wire, 3 ɸ Service Panel ........................................ 43
Current Transformer Basics ....................................................................................... 44
Wiring the CTs to the MD-xxHD Meter ...................................................................... 45
Communication and Verification - Details .................................................................. 46
Physical Connections on an RS-485 Multidrop Network ........................................... 48
Communication Verification ....................................................................................... 48
ViewPoint HD/MD-xxHD Web App .......................................................................... 50
Physical Interface Verification .................................................................................... 50
Serial Setup Verification .......................................................................................... 50
LAN Ethernet Network Verification .......................................................................... 50
DHCP ...................................................................................................................... 50
Static IP ................................................................................................................... 50
Protocol Verification ................................................................................................... 51
Modbus Settings ........................................................................................................ 51
Modbus RTU Settings ............................................................................................. 51
Modbus TCP Settings ............................................................................................. 51
BACnet Settings ......................................................................................................... 51
BACnet MSTP ......................................................................................................... 51
BACnet IP ................................................................................................................ 51
Pulse Inputs ............................................................................................................... 51
ALARM (SPDT) .......................................................................................................... 52
12 Volt Auxiliary Power .............................................................................................. 53
Access Restriction Limitations ................................................................................... 53
Security PIN Protection .............................................................................................. 53
Using the Permission Registers .............................................................................. 54
Read Only Permission Register .............................................................................. 54
Read/Write Permission Register ............................................................................. 54
Reading PINs over Modus ...................................................................................... 54
ViewPoint HD – Unrestricted Access ...................................................................... 54
Verification of Installation ........................................................................................... 55
Installation Phase Verification ................................................................................. 55
Phase Checking By Phasor Plot ............................................................................. 56