Satec PM174 Series, Справочное руководство

Страница: 3 / 95

3
Table of Contents
1 GENERAL ..........................................................................................................8
2 MODBUS PROTOCOL IMPLEMENTATION......................................................9
2.1 Transmission Modes......................................................................................... 9
2.2 Address Field ................................................................................................... 9
2.3 Function Field .................................................................................................. 9
2.4 Exception Responses........................................................................................ 9
2.5 Modbus Register Addresses ............................................................................. 9
2.6 Data Formats ................................................................................................. 10
2.6.1 16-
BIT
S
CALED
I
NTEGER
F
ORMAT
.............................................................................. 10
2.6.2 32-
BIT
L
ONG
I
NTEGER
F
ORMAT
................................................................................. 11
2.6.3 32-
BIT
M
ODULO
-10000 F
ORMAT
.............................................................................. 12
2.7 User Assignable Registers.............................................................................. 12
2.8 Password Protection ...................................................................................... 12
2.9 Data Recording and File Transfers ................................................................. 13
2.9.1 L
OG
F
ILE
O
RGANIZATION
........................................................................................ 13
Multi-section Files ............................................................................................... 13
Data Log Files .................................................................................................... 13
Profile Data Log File ............................................................................................ 14
Waveform Log Files............................................................................................. 14
2.9.2 F
ILE
T
RANSFERS
.................................................................................................. 14
Common File Transfer ......................................................................................... 14
Reading Multi-section Data Log Files...................................................................... 15
Reading Multi-section Waveform Files .................................................................... 16
Reading Real-time Waveforms .............................................................................. 16
2.10 TCP Notification Client ................................................................................... 16
3 MODBUS REGISTER MAP ..............................................................................19
3.1 Modbus Setup Registers................................................................................. 19
Modbus Assignable Registers ................................................................................ 19
Assignable Registers Map..................................................................................... 19
Modbus Conversion Scales ................................................................................... 19
Device Data Scales ............................................................................................. 19
3.2 16-bit Scaled Analog Registers and Energy Counters - Basic Register Set ..... 20
3.3 16-bit Scaled Analog Registers, Binary Registers and Counters ..................... 22
None................................................................................................................. 22
Setpoint Status (bitmap) ..................................................................................... 22
Special Inputs .................................................................................................... 22
Event Flags (bitmap) ........................................................................................... 22
Digital Inputs (bitmap) ........................................................................................ 22
Relay Outputs (bitmap) ....................................................................................... 22
Counters ........................................................................................................... 22
1/2-Cycle Values ................................................................................................ 22
1-Cycle Phase Values .......................................................................................... 22
1-Cycle Total Values............................................................................................ 23
1-Cycle Auxiliary Values ...................................................................................... 23
Phasor .............................................................................................................. 23
1-Second Phase Values........................................................................................ 24
1-Second Total Values ......................................................................................... 25
1-Second Auxiliary Values.................................................................................... 25
Present Harmonic Demands.................................................................................. 25
Present Volt, Ampere and Power Demands ............................................................. 25
Total Energies .................................................................................................... 26
Phase Energies ................................................................................................... 26
Symmetrical Components .................................................................................... 27