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Summary of Contents for Control Technology CTI 2552-A
- Page 1 CTI 2552-A 8-CHANNEL ISOLATED RTD INPUT MODULE INSTALLATION AND OPERATION GUIDE Ver. 1.2 CTI Part # 062-00306-012 062-00303-011 2552-AIOG 020106...
- Page 2 Copyright © 2006 Control Technology Inc. All rights reserved. This manual is published by Control Technology Inc., 5734 Middlebrook Pike, Knoxville, TN 37921. This manual contains references to brand and product names which are tradenames, trademarks, and/or registered trademarks of Control Technology Inc. Siemens® and SIMATIC® are registered trademarks of Siemens AG.
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Page 3: Preface
505 programmable controllers and I/O modules. This Installation and Operation Guide is organized as follows: Chapter 1 provides a description of the module. Chapter 2 covers installation and wiring. Chapter 3 is a guide to troubleshooting. CTI 2552-A Installation and Operation Guide... - Page 4 CTI 2552-A Installation and Operation Guide...
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Page 5: Table Of Contents
REPAIR POLICY ............. . . 23 CTI 2552-A Installation and Operation Guide... - Page 6 CTI 2552-A Installation and Operation Guide...
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Page 7: Table Of Figures
Figure 15 Factory Configuration Jumper Settings ........19 CTI 2552-A Installation and Operation Guide... - Page 8 CTI 2552-A Installation and Operation Guide...
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Page 9: Usage Conventions
Notes alert the user to special features or procedures. CAUTION: Cautions alert the user to procedures which could damage equipment. WARNING: Warnings alert the user to procedures which could damage equipment and endanger the user. CTI 2552-A Installation and Operation Guide... - Page 10 CTI 2552-A Installation and Operation Guide...
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Page 11: Chapter 1. Description
CHAPTER 1. DESCRIPTION The 2552-A Eight Channel RTD Input Module is a member of Control Technology's family of I/O modules compatible with the SIMATIC® 505 series programmable controllers. The Model 2552-A is designed to translate 100 Ohm platinum RTDs, 120 Ohm nickel RTDs or millivolt input signals into equivalent digital words which are then sent to the programmable controller (PLC). -
Page 12: Digital Word Map
Millivolt Mode, Digital Word (WX) = Millivolts X 100 As an example, the following figure illustrates the effects of a change in input level going from 0 degrees to 102.4 degrees in the RTD Input Mode. Figure 3 Example Change Input Level CTI 2552-A Installation and Operation Guide... -
Page 13: Effect Of Out-Of-Range Input Signals
Similarly a millivolt input below 0 millivolts will cause the overrange bit to be set. A reading of 1 millivolt will be returned for any negative underrange input. Figure 5 Effect of Voltage Input - Millivolts CTI 2552-A Installation and Operation Guide... -
Page 14: Resolution
The module has a resolution of approximately 0.2 degrees C, 0.4 degrees F or exactly 0.02 millivolts. The chart below shows the corresponding input resolution per step for each of the input configuration modes: Figure 6 Input Resolution CTI 2552-A Installation and Operation Guide... -
Page 15: Chapter 2. Installation
PLC. During the configuration step, hold the printed circuit card only by its edges. Do not touch the circuit card pin connectors, or solder connections. After discharging any static build-up, remove the module from the static bag. Do not discard the CTI 2552-A Installation and Operation Guide... -
Page 16: Select Temperature Or Millivolt Input
Locate DIP switch SW1 (RTD Type Switches in Figure 8) on the 2552-A circuit card and select either 100 or 120 type RTD for each of the eight inputs by turning each switch open or closed. The "CLOSED" position corresponds to 100 Ohm platinum RTD input. CTI 2552-A Installation and Operation Guide... -
Page 17: Selecting Digital Filtering
To remove the module from the I/O base, loosen the captive screws, then remove the module from the I/O base. Be careful not to damage the connector card at the back of the module when inserting or removing the module. CTI 2552-A Installation and Operation Guide... -
Page 18: Wiring The Input Connectors
The Model 2552-A may compensate for up to 20 Ohm of lead resistance per wire. Use the table below in planning the maximum distance the RTD may be located from the module. Copper Wire Table at 25 Degrees Celsius CTI 2552-A Installation and Operation Guide... -
Page 19: Figure 9 Copper Wire Table At 25 Degrees Celsius
To assign an input to a specific channel, locate the appropriate channel position on the screw terminal block as shown in the following figure: Figure 9 Screw Terminal Block Wiring CTI 2552-A Installation and Operation Guide... -
Page 20: Figure 10 Screw Terminal Block Wiring
Figure 10 Wiring Diagram for 2, 3, or 4 Wire RTD CAUTION: RTD wires must be of the same gauge. CTI 2552-A Installation and Operation Guide... -
Page 21: Figure 11 Wiring Diagram For 2, 3, Or 4 Wire Rtd
This will provide the best performance. There should never be any shield termination at the source end of the signal wire. CTI 2552-A Installation and Operation Guide... -
Page 22: Checking Module Operation
I/O slots. Please refer to Siemens® SIMATIC® 505 Programming Reference Manual for more information. If a module failure is reported by the status word, the module should be replaced with a working unit and the failed module sent infor repair. CTI 2552-A Installation and Operation Guide... -
Page 23: Chapter 3. Troubleshooting
CTI for repair. If after consulting the chart above, you are unable to diagnose or solve the problem, contact your local distributor or CTI at 1-800-537-8398 for further assistance. CTI 2552-A Installation and Operation Guide... - Page 24 CTI 2552-A Installation and Operation Guide...
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Page 25: Specifications
.025% Full Scale (temp or mV) Common Mode Rejection: Greater than 110 dB @ 60Hz (digital filtering disabled) Greater than 160 dB @ 60Hz (digital filtering enabled) Normal Mode Rejection: Greater than 45 dB @ 60Hz (digital filtering enabled) CTI 2552-A Installation and Operation Guide... - Page 26 Storage Temperature: -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit) Humidity: 0% to 95%, noncondensing Agency Approvals: UL, UL Canada FM (Class I, Div 2), CE Specifications subject to change without notice. CTI 2552-A Installation and Operation Guide...
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Page 27: Jumper Settings Log Sheet
JUMPER SETTINGS LOG SHEET Record the configuration jumper settings on this log for future reference. Make additional copies if necessary. CTI 2552-A Installation and Operation Guide... - Page 28 USER NOTES CTI 2552-A Installation and Operation Guide...
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Page 29: Limited Product Warranty
CTI. Control Technology Inc. reserves the right to make changes to the Product in order to improve reliability, function, or design in the pursuit of providing the best possible Product. CTI assumes no responsibility for indirect or consequential damages resulting from the use or application of this equipment. - Page 30 CTI 2552-A Installation and Operation Guide...
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Page 31: Repair Policy
Failure to observe static control precautions may void the warranty. For additional information on static control precautions, contact CTI's main office at 1-800-537-8398. CTI 2552-A Installation and Operation Guide...
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