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SENTRON PAC RS485
Siemens SENTRON PAC RS485 User Manual
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Introduction
1
Safety notes
2
Description
3
Assembling
4
Parameter
assignment/Addressing
5
Configuration
6
Service and maintenance
7
Alarm, error, and system
messages
8
Troubleshooting/FAQs
9
Technical data
10
Dimension drawings
11
Application examples
12
Appendix
A
ESD guidelines
B
List of abbreviations
C
SENTRON
Expansion module
PAC RS485
Manual
02/2008
A5E02091800B-01
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
7
Purpose of this Document
7
Orientation Aids
7
Scope of Supply
8
Contents of the CD for the SENTRON PAC Power Monitoring Device
8
Technical Support
9
Table 1-1 Contacts in Your Region - Worldwide
9
Table 1-2 Online Service and Support
9
Further Documentation
10
Table 1-3 Technical Support
10
2 Safety Notes
11
3 Description
13
Area of Application
13
Features
13
Tasks
14
Structure
15
Figure 3-1 Schematic View of the Side and Front of the PAC RS485 Expansion Module
15
Firmware
16
Figure 3-2 Schematic View of the Rear of the PAC RS485 Expansion Module
16
Bus and Master
17
4 Assembling
19
Procedure for Installation and Commissioning
19
Unpacking
20
Assembly
21
Figure 4-1 Schematic View of Assembling the PAC RS485 Expansion Module
22
Connecting
23
Figure 4-2 Block Diagram: General Topology of the Twisted-Pair Cable
24
Figure 4-3 Terminal Assignment
24
Figure 4-4 Terminal Assignment with Terminating Resistor
25
Figure 4-5 Terminal Assignment with Line Polarization
25
Measures to be Performed Prior to Start-Up
26
Disassembly
27
5 Parameter Assignment/Addressing
29
Modbus Rtu
29
Structure of the Job Message Frame
29
Table 5-1 Structure of the Message Frame
29
Character Frame
30
Figure 5-1 11-Bit Character Frame
30
Figure 5-2 10-Bit Character Frame
30
Function Codes
31
Table 5-2 Supported Function Codes
31
Exception Codes
33
Modbus Measured Variables with the Function Codes 0X03 and 0X04
33
Table 5-3 MODBUS Exception Codes
33
Table 5-4 Available Measured Variables
34
Structure
38
Structure - Digital Input Status and Digital Output Status with the Function Codes 0X03 and 0X04
38
Structure - Device Diagnostics and Device Status with the Function Codes 0X03 and 0X04
38
Table 5-5 Structure - Status of the Digital Inputs and Status of the Digital Outputs
38
Table 5-6 Modbus Offset 205, Tab 2: Structure Device Status and Device Diagnostics
38
Structure - Limit Values with Function Codes 0X03 and 0X04
39
Modbus Status Parameters with the Function Code 0X02
39
Table 5-7 Modbus Offset 203, Register 2: Limit Violations
39
Table 5-8 Status Parameters
39
Modbus Settings with the Function Codes 0X03, 0X04 and 0X10
40
Table 5-9 Settings Parameters
40
Table 5-10 Settings Parameter for the Digital Input
41
Table 5-11 Settings Parameter for the Digital Output
41
Table 5-12 Settings Parameter for Language, Phase Labels and Universal Counters Source
42
Table 5-13 Settings Parameter for the Display
43
Table 5-14 Settings Parameter for Limit Value 0
43
Table 5-15 Settings Parameter for Limit Value 1
44
Table 5-16 Settings Parameter for Limit Value 2
45
Table 5-17 Settings Parameter for Limit Value 3
47
Table 5-18 Settings Parameter for Limit Value 4
48
Table 5-19 Settings Parameter for Limit Value 5
49
Modbus Command Parameters
51
Table 5-20 Command Parameters
51
MODBUS Communication Parameter with the Function Codes 0X03, 0X04 and 0X10
52
Table 5-21 Communication Parameters
52
Modbus Device Information with the Function Codes 0X03, 0X04 and 0X10
53
Table 5-22 I&M 0 Parameter of the SENTRON PAC Power Monitoring Device with the Function Codes 0X03 and 0X04
54
Table 5-23 I&M 1-4 Parameters with the Function Codes 0X03, 0X04 and 0X10
54
Table 5-24 I&M 0 Parameter of the Module in Slot 1 with the Function Codes 0X03 and 0X04
54
MODBUS Standard Device Identification with the Function Code 0X2B
55
Parameters and Function Codes Supported by the Broadcast Commands
55
Table 5-25 MODBUS Standard Device Identification Parameters
55
Table 5-26 Parameters Supported by the Broadcast Commands
56
6 Configuration
57
Default Settings
57
Changing the Address
57
Table 6-1 Factory Settings
57
Configuration of the PAC RS485 Expansion Module on the SENTRON PAC3200 Power Monitoring Device
58
Table 6-2 Structure of the Setting Versions
59
Figure 6-1 Configuring the PAC RS485 Expansion Module Using Buttons
59
Table 6-3 Setting Options
60
Table 6-4 Performance Calculation
60
7 Service and Maintenance
61
Cleaning
61
Repair
62
Disposal
62
8 Alarm, Error, and System Messages
63
Diagnostics Concept
63
Diagnostics LED
64
Initializing the Module
64
Table 8-1 Fault and Status Indication by the LED
64
9 Troubleshooting/Faqs
65
Power Failure
65
10 Technical Data
67
Cable
67
Standards
67
Table 10-1 the Device Meets the Following Standards
67
Technical Data
68
Communication Interface
70
Labeling
71
Figure 10-1 PAC RS485 Expansion Module with Type Plate
71
11 Dimension Drawings
73
Figure 11-1 View from Above, Side View, Front View and View from Underneath with Terminal Block
73
12 Application Examples
75
Examples of MODBUS Communication
75
Appendix
79
Correction Sheet
79
ESD Guidelines
81
Electrostatic Sensitive Devices (ESD)
81
Figure B-1 ESD Work Center
82
100 C List of Abbreviations
83
List of Abbreviations
83
C.1 Abbreviations
83
Glossary
85
Index
89
4
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Siemens SENTRON PAC RS485 Specifications
General
Brand
Siemens
Model
SENTRON PAC RS485
Category
Control Unit
Language
English
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