Elster LCR-212 Single Phase Load Control ... - Essential Energy

UNCLASSIFIED
OPERATIONAL PROCEDURE - Elster LCR-212 Single Phase
Load Control Ripple Receiver Installation and
Use
CEOP8086
CONTENTS PAGE
1 INTRODUCTION ........................................................................................... 5
2 FEATURES OF THE LCR-212 LOAD CONTROL RECEIVER ..................................... 5
2.1 Receiver Indications ......................................................................................6
2.2 Receiver Connections and Installation Instructions.............................................7
3 OPERATING PRINCIPLE ................................................................................. 7
3.1 Decoder ......................................................................................................7
3.2 Time Base ...................................................................................................8
3.3 Internal Clock ..............................................................................................8
3.4 Microcontroller .............................................................................................8
3.4.1 Memory.................................................................................................. 8
3.4.2 Serial Interface........................................................................................ 8
3.5 Power Supply ...............................................................................................8
3.6 Output Relays ..............................................................................................8
3.7 Real Time Clock (Optional).............................................................................8
4 RECEIVER FUNCTIONS .................................................................................. 9
4.1 Switching On/Off ..........................................................................................9
4.2 Restoration of Supply ....................................................................................9
4.3 Loss of Supply..............................................................................................9
4.4 Wiping Timer ...............................................................................................9
4.5 Cyclic Switching............................................................................................9
4.6 Signal Absence Sensing (SAS) ...................................................................... 10
5 SCOPE OF FUNCTIONS .................................................................................10
5.1 Conventional Decoder.................................................................................. 10
5.1.1 Number of Switching Commands...............................................................10
5.1.2 Multiple Switching Commands ..................................................................11
5.1.3 Memory Function ....................................................................................11
5.1.4 LOOP Function........................................................................................11
5.1.5 Timer Function without VERSACOM ...........................................................11
5.2 VERSACOM Decoder.................................................................................... 11
5.2.1 VERSACOM Function ...............................................................................11
5.2.2 Timer Function with VERSACOM ................................................................12
5.2.3 Special Features .....................................................................................12
6 RIPPLE CONTROL SYSTEMS ..........................................................................12
7 RECEIVER STATUS ......................................................................................13
8 MECHANICAL DESIGN ..................................................................................13
9 PROGRAMMING AND TEST EQUIPMENT ..........................................................13
22 March 2011 - Issue 3
Approved By: General Manager Technical Services
Page 3 of 17
UNCLASSIFIED
UNCONTROLLED COPY IF PRINTED