iv
PQM Power Quality Meter
GE Power Management
TABLE
OF
CONTENTS
7. MODBUS
COMMUNICATIONS
7.1 OVERVIEW
7.1.1
MODBUS PROTOCOL .............................................................................. 7-1
7.1.2
ELECTRICAL INTERFACE ....................................................................... 7-1
7.1.3
DATA FORMAT & DATA RATE................................................................. 7-1
7.1.4
DATA PACKET FORMAT .......................................................................... 7-2
7.1.5
ERROR CHECKING .................................................................................. 7-2
7.1.6
CRC-16 ALGORITHM................................................................................ 7-3
7.1.7
TIMING ...................................................................................................... 7-3
7.2 MODBUS FUNCTIONS
7.2.1
PQM SUPPORTED MODBUS FUNCTIONS............................................. 7-4
7.2.2
FUNCTION CODES 03/04 – READ SETPOINTS/ACTUAL VALUES ....... 7-4
7.2.3
FUNCTION CODE 05 - EXECUTE OPERATION...................................... 7-5
7.2.4
FUNCTION CODE 05 – BROADCAST COMMAND.................................. 7-6
7.2.5
FUNCTION CODE 06 – STORE SINGLE SETPOINT .............................. 7-7
7.2.6
FUNCTION CODE 07 – READ DEVICE STATUS .................................... 7-8
7.2.7
FUNCTION CODE 08 – LOOPBACK TEST .............................................. 7-9
7.2.8
FUNCTION CODE 16 – STORE MULTIPLE SETPOINTS...................... 7-10
7.2.9
FUNCTION CODE 16 - PERFORMING COMMANDS ............................ 7-11
7.2.10 FUNCTION CODE 16 - BROADCAST COMMAND ................................ 7-12
7.2.11 ERROR RESPONSES............................................................................. 7-13
7.3 MODBUS MEMORY MAP
7.3.1
MEMORY MAP INFORMATION .............................................................. 7-14
7.3.2
USER-DEFINABLE MEMORY MAP ........................................................ 7-14
7.3.3
PQM MEMORY MAP ............................................................................... 7-15
7.3.4
MEMORY MAP DATA FORMATS ........................................................... 7-55
7.3.5
ANALOG OUTPUT PARAMETER RANGE ............................................. 7-63
8. DNP COMMUNICATIONS
8.1 DNP 3.0 PROTOCOL
8.1.1
DEVICE PROFILE DOCUMENT ............................................................... 8-1
8.1.2
IMPLEMENTATION TABLE....................................................................... 8-3
8.1.3
DEFAULT VARIATIONS ............................................................................ 8-4
8.1.4
INTERNAL INDICATION BITS .................................................................. 8-4
8.1.5
BINARY INPUT / BINARY INPUT CHANGE POINT LIST......................... 8-5
8.1.6
BINARY OUTPUT / CONTROL RELAY OUTPUT POINT LIST ................ 8-7
8.1.7
POINT LIST FOR ANALOG INPUT/OUTPUT CHANGE ........................... 8-9
8.1.8
POINT LIST FOR COUNTERS................................................................ 8-14
9. COMMISSIONING
9.1 COMMISSIONING
A. APPLICATION NOTES
A.1 PQM APPLICATION NOTES
A.1.1
EVENT RECORDER .................................................................................A-1
A.1.2
INTERFACING USING HYPERTERMINAL............................................... A-4
A.1.3
PHASORS IMPLEMENTATION ................................................................A-7
A.1.4
TRIGGERED TRACE MEMORY RESOLUTION .......................................A-9
A.1.5
PULSE OUTPUT APPLICATION............................................................. A-11
A.1.6
DATA LOGGER IMPLEMENTATION ...................................................... A-12
A.1.7
READING LONG INTEGERS FROM MEMORY MAP ............................ A-16
A.1.8
PULSE INPUT APPLICATION................................................................. A-18
A.1.9
PULSE TOTALIZER APPLICATION........................................................ A-19
Summary of Contents for Power Quality Meter Series
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Page 46: ...2 22 PQM Power Quality Meter GE Power Management 2 2 ELECTRICAL 2 INSTALLATION 2 ...
Page 56: ...3 10 PQM Power Quality Meter GE Power Management 3 4 DEFAULT MESSAGES 3 OPERATION 3 ...
Page 166: ...6 20 PQM Power Quality Meter GE Power Management 6 6 POWER ANALYSIS 6 SOFTWARE 6 ...
Page 274: ...B 4 PQM Power Quality Meter GE Power Management B 1 TABLES AND FIGURES APPENDIXB B ...
Page 276: ...C 2 PQM Power Quality Meter GE Power Management C 1 PQM WARRANTY APPENDIXC C ...
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