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CTI 2557-A
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Control Technology CTI 2557-A manual available for free PDF download: Installation And Operation Manual
Control Technology CTI 2557-A Installation And Operation Manual (32 pages)
SIXTEEN CHANNEL ISOLATED RTD INPUT MODULE
Brand:
Control Technology
| Category:
Control Unit
| Size: 1 MB
Table of Contents
Preface
3
Table of Contents
4
Table of Figures
6
Usage Conventions
7
Chapter 1. Description
9
Figure 2 2557-A Module Front View
9
Asynchronous Operation
10
Compatibility with Immediate I/O
10
100 Ohm, 10 Ohm, 120 Ohm Rtds, or Millivolt Inputs
10
Digital Word Map
10
RTD Input to Digital Conversion
10
Figure 3 Word Input to the PLC from the Module
10
Engineering Units
11
Scale Units
11
Figure 4 Example Change Input Level
11
Effect of Out-Of-Range Input Signals
12
Figure 5 Effect of Voltage Input - 100 Ohm Platinum
12
Figure 6 Effect of Voltae Input - 120 Ohm Nickel
12
Resolution
13
Figure 7 Effect of Voltage Input - 10 Ohm Copper
13
Figure 8 Effect of Voltage Input - Millivolts
13
Figure 9 Input Resolution
13
Chapter 2. Installation
14
Planning the Installation
14
Calculating the I/O Base Power Budget
14
Unpacking the Module
14
Configuring the Module
15
Selecting Temperature or Millivolt Input
15
Selecting 2 and 3 Wire or 4 Wire Operation
16
Selecting 10 Ohm RTD Inputs
16
Selecting PLC Login Mode
16
Selecting Digital Filtering
16
Select Degrees Celsius or Fahrenheit
16
Selecting Data Scaling
17
Figure 10 Factory Configuration Jumper Settings
17
Figure 11 Configuration Jumper Locations
18
Inserting the Module into the I/O Base
19
Figure 12 2557-A Module PCB Layout
19
Wiring the Input Connectors
20
Figure 13 Copper Wire Table at 25 Degrees Celsius
20
Figure 14 Removable Wiring Connector Wiring Diagram
21
Figure 15 Wiring Diagram for 2, 3 , 4 Wire Rtds and Millivolt Signals
22
Connecting the Shield Wiring
23
Checking Module Operation
24
Figure 16 Cable Grounding
24
Figure 17 Example I/O Configuration Chart
25
Chapter 3. Troubleshooting
26
Figure 18 Troubleshooting Matrix
26
Specifications
27
Specifications Subject to Change Without Notice
28
Jumper Settings Log Sheet
29
User Notes
30
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