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PM174
Satec PM174 User Manual
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8
1 General
This document specifies a subset of the Modbus serial
communications protocol used to
transfer data between a master computer st
ation and the PM174. The document provides
the complete information necessary to develop thi
rd-party communications software
capable of communication with the PM174.
Refer to the PM174 Installation and Operation Manual for more information on
communication connections and configuring communi
cation parameters in your device.
7
9
Table of Contents
Default Chapter
3
Table of Contents
3
General
8
Modbus Protocol Implementation
9
Transmission Modes
9
Address Field
9
Function Field
9
Exception Responses
9
Modbus Register Addresses
9
Data Formats
10
16-Bit Scaled Integer Format
10
32-Bit Long Integer Format
11
32-Bit Modulo-10000 Format
12
User Assignable Registers
12
Password Protection
12
Data Recording and File Transfers
13
Log File Organization
13
Multi-Section Files
13
Data Log Files
13
Profile Data Log File
14
Waveform Log Files
14
File Transfers
14
Common File Transfer
14
Reading Multi-Section Data Log Files
15
Reading Multi-Section Waveform Files
16
Reading Real-Time Waveforms
16
TCP Notification Client
16
Modbus Register Map
19
Modbus Setup Registers
19
Modbus Assignable Registers
19
Assignable Registers Map
19
Modbus Conversion Scales
19
Device Data Scales
19
16-Bit Scaled Analog Registers and Energy Counters - Basic Register Set
20
16-Bit Scaled Analog Registers, Binary Registers and Counters
22
Setpoint Status (Bitmap)
22
Special Inputs
22
Event Flags (Bitmap)
22
Digital Inputs (Bitmap)
22
Relay Outputs (Bitmap)
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
V1/V12 Harmonic Distortion
27
V2/V23 Harmonic Distortion
27
V3/V31 Harmonic Distortion
27
I1 Harmonic Distortion
27
I2 Harmonic Distortion
27
I3 Harmonic Distortion
42
Fundamental Phase Values
42
Flicker
42
Fundamental Total Values
42
Minimum 1-Cycle Phase Values
43
Minimum 1-Cycle Total Values
43
Minimum 1-Cycle Auxiliary Values
43
Maximum 1-Cycle Phase Values
43
Maximum 1-Cycle Total Values
44
Maximum 1-Cycle Auxiliary Values
44
Maximum Demands
44
Maximum Harmonic Demands
44
Scaled Analog Inputs
45
Raw Analog Inputs
45
TOU Parameters
45
Scaled Analog Outputs
45
Billing TOU Energy Register #1
45
Billing TOU Energy Register #2
45
Billing TOU Energy Register #3
45
Billing TOU Energy Register #4
45
Billing TOU Energy Register #5
46
Billing TOU Energy Register #7
46
Billing TOU Energy Register #8
46
Billing Summary Accumulated Demands
46
Billing Summary Block Demands
46
Billing Summary Sliding Window Demands
46
Billing Summary Maximum Demands
46
Billing TOU Maximum Demand Register #1
47
Billing TOU Maximum Demand Register #2
47
Billing TOU Maximum Demand Register #3
47
Billing TOU Maximum Demand Register #4
47
Billing TOU Maximum Demand Register #5
47
Billing TOU Maximum Demand Register #6
47
Billing TOU Maximum Demand Register #7
47
Billing TOU Maximum Demand Register #8
47
V1/V12 Harmonic Angles
48
V2/V23 Harmonic Angles
48
V3/V31 Harmonic Angles
48
I1 Harmonic Angles
48
I2 Harmonic Angles
48
I3 Harmonic Angles
48
10-Minute Volts and Symmetrical Components
48
Device Control and Status Registers
57
Device Restart Register
57
Device Identification
57
Device Authorization Registers
57
User Event Flags Registers (Bit Map)
57
Remote Relay Control Registers (Bit Map)
57
Reset/Clear Registers
58
Device Mode Control Registers
58
Memory Status Registers
58
Log Notification Registers (Bit Map)
58
Setpoint Status Registers (Bit Map)
58
Setpoint Alarm Latch Registers (Bit Map)
58
Device Diagnostics Register (Bit Map)
58
Current Port Number
58
Current Network Settings
59
Communication Status
59
Communication Counters
59
Device Setup Registers
60
Device Identification
60
Factory Device Settings
60
Basic Setup
60
Communication Ports Setup
61
Device Options Setup
61
Alarm/Event Setpoints Setup
62
Pulse Counters Setup
63
Transformer Correction Setup
63
Local Settings
64
Clock Indication and Setup
64
Network Setup
65
Password Setup
65
Expert Power Service Setup
65
Internet Service Provider (ISP) Accounts
65
GPRS Setup
65
TCP Notification Client Setup
65
EGD Producer Exchanges Setup
66
DNP Options Setup
66
DNP Events Setup
67
DNP Class 0 Point Assignments
67
PQ Log Triggers Setup (IEEE 1159 Disturbance Categories)
68
Fault Log Triggers Setup
68
Fault Log Recording Setup
69
File Setup
69
Waveform Recorder Setup
70
Data Log Setup
70
TOU Daily Profile Setup
71
TOU Calendar Setup
71
Billing/Tou Registers Setup
72
Billing/Tou Registers Source Setup
72
Periodic Timers Setup
73
Digital Inputs Setup
73
Relay Outputs Setup
73
Analog Inputs Setup
74
Analog Outputs Setup
74
Analog Expander Setup
74
Analog and Digital I/O Configuration
75
I/O Slots Configuration Info
75
I/O Type Info
75
File Transfer Registers
76
File Transfer Control Blocks
76
File Info Response Block (Variation 0 - File Info)
77
File Info Response Block (Variation 1 - Current Record Info)
78
File Info Response Block (Variation 2 - Data Log Record Structure)
78
Event Log Response Block
79
Data Log Response Block
79
Waveform Log Response Block
80
Power Quality (PQ) Log Response Block
80
Fault Log Response Block
81
Billing/Tou Daily Profile Data Log
83
Data Scales and Units
85
Data Scales
85
Data Units
85
Data Formats
86
Timestamp
86
File ID
86
File Attributes
86
File Status Word (Bitmap)
86
File Record Status Word (Bitmap)
86
Billing/Tou Profile Log Channel ID
86
Waveform Log Channel ID
86
Profile Log Sections Mask
86
Waveform Log Channel Mask
86
Billing/Tou Energy Register Source ID
87
Setpoint Trigger Parameters ID
87
Setpoint Action ID
89
Counter Source ID
90
Relay Output Pulse Source ID
90
AO Output Parameters ID
90
Event Cause/Point ID
91
Event Effect ID
91
Data Point ID
92
Event Type ID
92
Device Diagnostics
93
DNP Object Types
93
DNP Class 0 Objects
93
Wiring Mode
94
Instrument Options
94
I/O Slot Types
94
4
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Satec PM174 Specifications
General
Brand
Satec
Model
PM174
Category
Measuring Instruments
Language
English
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