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SCK-M-U-1500V
Phoenix Contact SCK-M-U-1500V Manuals
Manuals and User Guides for Phoenix Contact SCK-M-U-1500V. We have
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Phoenix Contact SCK-M-U-1500V manual available for free PDF download: User Manual
Phoenix Contact SCK-M-U-1500V User Manual (116 pages)
Solarcheck string monitoring
Brand:
Phoenix Contact
| Category:
Measuring Instruments
| Size: 5.2 MB
Table of Contents
Table of Contents
5
1 Introduction
9
Product Overview
9
Area of Application
9
General Safety Notes
10
2 General Notes on PV Systems
11
Typical Structure of Large PV Systems and PV Power Stations
11
PV Generator with Central Inverter
11
Generator with String Inverters
11
Example Diagram of Generator with Transformer Inverter
12
Example Diagram of Generator with Transformerless Inverter
14
Data Collection in Large PV Systems
15
3 Solarcheck String Current Measurement with SCK-M-I
17
Safety Notes for the Device
17
Function
17
Current Measurement
18
Assignment of the Current Measuring Channels
18
Valid Value Range for Current Measurement
19
Digital Input
20
Analog Input
20
Internal Temperature Measurement
21
Data Acquisition and Transfer
21
Power Supply
22
Technical Data
22
4 Solarcheck String Voltage Measurement with the SCK-M-U-1500V
25
Function
25
Voltage Measurement
25
Note on the Parallel Connection of Multiple Voltage Measuring Devices in a System
27
Data Acquisition and Transfer
28
Representation of Voltage Values at the Analog Output
28
Step Response Time
29
Power Supply
29
Technical Data
30
5 SCK-C-MODBUS Solarcheck Communication Module
31
Function
31
Data Acquisition and Transfer
31
Block Diagram of the SCK-C-MODBUS Solarcheck Communication Module
31
Structure of the Solarcheck Communication Network
32
Schematic Diagram of Solarcheck Communication
32
SCK-Internal Communication Cycle
33
RS-485 Communication
33
Register Addresses
35
Table 10-1: Structure of the Status Register
36
Power Supply
37
Technical Data
38
6 Installation
39
Connection Description
39
Measuring Category and Notes on Insulation
43
Control Cabinet
43
Cabling
44
Installation Instructions
44
Distances between Data and Power Cables
44
Material Requirements
48
Cable Lengths and Conductor Cross Sections
48
PE Connection
48
Installing the SCK-C-MODBUS Communication Module
49
Addressing the SCK-C-MODBUS Communication Module
49
Connecting the SCK-C-MODBUS Communication Module
52
Connection Diagram for SCK-C-MODBUS
52
Installing SCK-M-I-XX Current Measuring Modules
54
Assignment of the Current Measuring Channels
54
Connection Diagram for SCK-M-I-8S-20A
55
Connection Diagram for SCK-M-I-4S-20A
55
Sck-M-U-1500V
55
Digital Input
56
Installing the SCK-M-U-1500V Voltage Measuring Module
57
PE Connection
58
Connecting the Measuring Module to the SCK-M-I-8S-20A Solarcheck Current Measuring Module
59
Connecting the Measuring Module Outside of the Solarcheck Device Range
60
Connecting Voltage Measurement
60
Power Supply for the Solarcheck Devices
61
Design of the Power Supply
61
Performance Characteristics of the SCK-C-MODBUS Communication Module Without Connected Measuring Devices
61
Performance Characteristics of the Communication Module
62
Design of a Separate Power Supply for the SCK-M-U-1500V Voltage Measuring Module
63
Performance Characteristics of the Voltage Measuring Module
63
7 Startup
65
LED Indicators
65
8 Additional Functions
67
Energy-Saving Mode
67
Locate Function
68
Schematic View of the Locate Function
68
System Calibration
69
9 Installation Examples
71
Example 1
71
SCK-C-MODBUS in the Inverter Station, Current Measuring Module Without Voltage Measurement in the String Combiner Box
71
Example 2
72
SCK-C-MODBUS in the Inverter Station, Current Measuring Module with Voltage Measurement in the String Combiner Box
72
Example 3
73
SCK-C-MODBUS in the Inverter Station, Current Measuring Module in the String Combiner Box, SCK-M-U-1500V at Higher Level
73
Example 4
74
SCK-C-MODBUS in Separate Communication Box, Current Measuring Module Without Voltage Measurement in the String Combiner Box
74
10 Troubleshooting
75
Diagnostics and Error Removal
76
Table 10-2 Scenario 1: SCK-C-MODBUS
76
Table 10-3 Scenario 2: SCK-C-MODBUS
76
Table 10-4 Scenario 3: SCK-C-MODBUS
77
Table 10-5 Scenario 4: SCK-C-MODBUS
77
Table 10-6 Scenario 5: SCK-C-MODBUS
78
Table 10-7 Scenario 6: SCK-C-MODBUS
78
Table 10-8 Scenario 7: SCK-M-I
79
Table 10-9 Scenario 8: SCK-M-I-8S-20A
79
Table 10-10 Scenario 9: SCK-M-I-8S-20A
80
Table 10-11 Scenario 10: SCK-M-I-8S-20A / SCK-M-U-1500V
80
Table 10-12 Scenario 11: SCK-M-I-8S-20A / Other Analog Device
81
Table 10-13 Scenario 12: SCK-M-U-1500V
81
Additional Notes
82
Table 10-14 Baud Rates
82
A Appendix
85
Register Tables
85
Appendix A
86
Table A-1 Illustration of the Register Table for Reading 2901672 (Modbus Address 0000H
86
Table A-2 Register Contents for the SCK-C-MODBUS
88
Table A-3 SCK-M-I-8S-20A Register Contents
88
Table A-4 SCK-M-I-4S-20A Register Contents
89
Table A-5 Register Entries for Connecting Current Measuring Module 2901672
92
Table A-6 Range 2: SCK Channel 1 (Modbus Address 0080H
93
Table A-7 Range 3: SCK Channel 2 (Modbus Address 0100H
95
Table A-8 Range 4: SCK Channel 3 (Modbus Address 0180H
97
Table A-9 Range 5: SCK Channel 4 (Modbus Address 0200H
99
Table A-10 Range 6: SCK Channel 5 (Modbus Address 0280H
101
Table A-11 Range 7: SCK Channel 6 (Modbus Address 0300H
103
Table A-12 Range 8: SCK Channel 7 (Modbus Address 0380H
105
Table A-13 Range 9: SCK Channel 8 (Modbus Address 0400H
106
Table A-14 Range 10: SCK-C-MODBUS (Modbus Address 0480H
108
A 2 Accessories
110
Table A-15 List of Accessories
110
A Appendix For Document Lists
111
List of Figures
111
Section 6
112
List of Tables
115
Section 10
116
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