User's Manual
Table of Contents
CENTRON® OpenWay™ Meter Technical Reference Guide vii
TOU Schedules .................................................................................................................40
Calendar Schedule..................................................................................................40
Rates .......................................................................................................................40
Daily Patterns ..........................................................................................................41
Day Types ...............................................................................................................41
Seasonal Schedules................................................................................................41
TOU Registers...................................................................................................................41
Current Season Registers .......................................................................................41
Last Season Registers ............................................................................................41
TOU Operation ..................................................................................................................41
Rate Annunciators and Active Rate Indicators........................................................42
Season Change.......................................................................................................42
Battery Carryover ....................................................................................................42
Load Profile..................................................................................................................................43
Load Profile Specifications ................................................................................................43
Capacity...................................................................................................................43
Bit Resolution ..........................................................................................................43
Interval Lengths.......................................................................................................43
Power Outage..........................................................................................................44
Channel Configuration.......................................................................................................44
Pulse Constants.................................................................................................................44
Data Storage......................................................................................................................45
Recording Duration............................................................................................................45
Event Log .....................................................................................................................................46
Security Codes.............................................................................................................................48
Implementing Security Codes............................................................................................49
Clearing Security Codes....................................................................................................49
Firmware Upgrades......................................................................................................................50
Installing D/T/L Register Firmware on the PC...................................................................50
R300CD/CD3 ...............................................................................................................................50
Testing, Troubleshooting, and Maintenance................................................................................52
Visual Indicators ................................................................................................................53
Infrared Test LED ....................................................................................................53
Annunciators......................................................................................................................53
Load Indication/Direction Annunciator ....................................................................53
Phase-Voltage Indication Annunciators ..................................................................54
Nominal Voltage Indication Annunciator .................................................................54
Test Mode Annunciator ...........................................................................................54
Energy Testing...................................................................................................................55
Testing With the Infrared Test LED.........................................................................55
Testing Using the Load Indication Annunciator.......................................................55
Testing Using the Energy/Time Method..................................................................56
Recommended Energy Testing Procedures .....................................................................56
Test Description.......................................................................................................56
Recommendations ..................................................................................................57
Demand Testing ................................................................................................................58
Demand Test Method..............................................................................................59
Demand Calculations ..............................................................................................60
Field Testing ......................................................................................................................61
Required Hardware .................................................................................................61
Test Method Using Infrared Pulse Adapter .............................................................61
Test Method Using a Snap Switch Assembly .........................................................61
Troubleshooting.................................................................................................................62
Fatal Errors..............................................................................................................62
Non-Fatal Errors......................................................................................................63
Draft