iv
Communication and Status Messages .............................................................................................................30
HeadStart Command Buttons ..........................................................................................................................30
Communications .................................................................................................................................... 31
Setting USB Communication Parameters .........................................................................................................31
Setting Serial Communication Parameters ......................................................................................................32
Setting Ethernet Communication Parameters .................................................................................................33
Communication Error .......................................................................................................................................35
Meter Setup ........................................................................................................................................... 36
Entering Wiring Information for an Element ...................................................................................................37
Comms. Setup ........................................................................................................................................ 38
Real-Time Values ................................................................................................................................... 38
Using Real-Time Values to Verify Setup ...........................................................................................................39
Read/Write Registers—Read/Set Objects ............................................................................................. 40
Resetting BACnet Objects/Modbus Registers ..................................................................................................41
Sync Registers...................................................................................................................................................41
Firmware ................................................................................................................................................ 42
S
ECTION
IV—A
LL
T
HINGS
M
ODBUS
.............................................................................................. 43
Modbus Data Scaling—Interpreting the Power Patrol Registers .....................................................................43
Selecting a Scalar ..............................................................................................................................................44
Examples Using a Data Scalar ...........................................................................................................................44
Values Requiring Two Registers .......................................................................................................................45
Configuration Registers ....................................................................................................................................45
Pulse Output/Input Registers ...........................................................................................................................46
Absolute/Net Value Measurement Registers ..................................................................................................47
Positive Power/Energy Measurement Registers ..............................................................................................51
Negative Power/Energy Measurement Registers ............................................................................................55
Protocol Commands .........................................................................................................................................60
