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Siemens SIMATIC 505 Installation And Operation Guide
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MANUAL PUBLICA
TION HISTOR
Y
SIMA
TIC 505–2556 Ther
mocouple Input Module Installation and Operation Guide
Or
der Manual Number: PPX:505–8133–1
Refer to this history in all correspondence and/or discussion about this manual.
Event
Date
Description
Original Issue
05/98
Original Issue (2807059–0001)
2
4
Table of Contents
Default Chapter
5
Table of Contents
5
Preface
10
Chapter 1 Description
12
Front Panel Description
13
Active LED
13
Input Terminals for Channels
13
SIMATIC 505-2556 Front Panel Description
13
Operation and Configuration
14
Asynchronous Operation
14
Immediate I/O Compatibility
14
J, K, R, S, T, E, or L Thermocouples
14
Digital Word Map
14
Word Input to the PLC from the Module
14
Thermocouple Input to Digital Conversion
15
Engineering Units
15
Scale Units
15
Effect of Out-Of-Range Input Signals
15
Example Change in Input Level
15
Effect of Voltage Input on Type J Thermocouple
16
Effect of Voltage Input on Type K Thermocouple
16
Effect of Voltage Input on Type R Thermocouple
16
Effect of Voltage Input on Type S Thermocouple
16
Effect of Voltage Input on Type T Thermocouple
17
Effect of Voltage Input on Type E Thermocouple
17
Effect of Voltage Input on Type L Thermocouple
17
Effect of Voltage Input on Millivolt Range
17
Resolution
18
Analog-To-Digital Converter Filter
18
Input Resolution
18
Chapter 2 Installation
19
Getting Started
20
Planning the Installation
20
Calculating the I/O Base Power Budget
20
Unpacking the Module
20
Configuring the Module
21
Selecting Thermocouple or Millivolt Measurement Via DIP Switch
22
Selecting Thermocouple Type Input Via Hardware Jumpers
22
Selecting PLC Login Mode
22
Selecting Data Format
22
Selecting Digital Filtering
23
Select Degrees Celsius or Fahrenheit
24
Factory Configuration Jumper Settings
24
Inserting the Module into the I/O Base
25
Configuration Jumper Location
25
Wiring the Input Connectors
26
Input Connector Wiring
26
Thermocouple Wiring Application
27
Millivolt Wiring Application
27
Connecting the Shield Wiring
28
Cable Grounding
29
Checking Module Operation
30
Example Configuration Chart
30
Advanced Software Functions
32
Introduction
33
Overview of the Advanced Functions
33
Chapter 3 Advanced
32
Advanced Software Functions
33
Setting the Module Configuration Jumper
34
Configuring the SIMATIC 505-2556 Module for Advanced Features
34
Logging the Module in the Controller I/O Configuration Memory
35
SIMATIC 505-2556 I/O Configuration Chart
35
Internal Register Structures
36
Description of the I/O Registers
36
Input Registers
36
Input and Output Register Offsets
36
Input Channel Data
36
Input Flag Bits
37
Peak/Valley Hold Input Words
37
Output Registers
38
Output Data Registers
38
Control Registers
39
Inputs
39
Function Enable Bits
39
Discrete Handshake Inputs
40
Outputs
41
Data Transfer Control Bits
41
Data Identification Bits
41
Loading Data into the SIMATIC 505-2556 Module
42
Data Loading Process
42
Sample Low and High Alarm Setpoints
43
Identifying the Data Being Transferred
44
Enabling the Functions Loaded
45
Loading the Enable Bits
45
Loading Programs into the I/O Module
46
Startup Relay Ladder Logic
47
Timing Considerations
49
Timing Constraints When Using Advanced Functions
49
Timing Overhead for Functions Enabled
49
Additional Information about each Function
50
Default Values
50
Default Function Values
50
Degrees Centigrade or Degrees Fahrenheit
51
Scaling
51
Alarm Setpoints
51
Digital Filtering
52
Averaging
53
Peak and Valley Hold
53
Peak/Valley Truth Table
53
Peak and Valley Hold Reset
54
Flag Bits
54
Peak/Valley Reset Truth Table
54
Mapping Bit Position to Channel Number
54
Advanced Function Precedence
55
Troubleshooting
56
Troubleshooting the System
56
Troubleshooting Flow Diagram
57
I/O Register Quick Reference
58
Or K Memory Configuration Tables
59
Addressing Worksheet
61
Items Unique to the SIMATIC 505-2556 Module
62
Open Thermocouple Bits
62
Appendix A Troubleshooting
63
Appendix B Specifications
64
Physical and Environmental Specifications
64
Appendix C Jumper Settings Log Sheet
66
Appendix D Thermocouple Wire Guide
67
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Siemens SIMATIC 505 Specifications
General
Brand
Siemens
Model
SIMATIC 505
Category
Controller
Language
English
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