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3. Associated Cable Selection 

Trusted 40 Channel 120 Vac Digital Input FTA 

 

Issue 7 

Rockwell Automation Publication ICSTT-RM290F-EN-P 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Summary of Contents for Trusted T8424

Page 1: ...nput Field Termination Assembly FTA T8824 is designed to act as the main interface between a field device generating a digital signal and the Trusted TMR 120 Vac Digital Input Module T8424 Features 40...

Page 2: ...Trusted ICSTT RM290F EN P Rockwell Automation Publication ICSTT RM290F EN P Issue 7 Page intentionally left blank...

Page 3: ...r to your own local or supplied system safety manual installation and operator maintenance manuals REVISION AND UPDATING POLICY This document is based on information available at the time of its publi...

Page 4: ...If you do not have an account then you can create one using the Sign Up link at the top right of the web page DOCUMENTATION FEEDBACK Your comments help us to write better user documentation If you dis...

Page 5: ...at can cause an explosion in a hazardous environment which can cause injury or death property damage or economic loss ATTENTION Identifies information about practices or circumstances that can cause i...

Page 6: ...bles ou quivalente MAINTENANCE Maintenance must be carried out only by qualified personnel Failure to follow these instructions may result in personal injury CAUTION RADIO FREQUENCY INTERFERENCE Most...

Page 7: ...typographical errors and also standardise the Relative Humidity Range and Operating Temperature statements in the Specification Section 6 Aug 17 Figure 2 Single Channel Schematic and Voltage details i...

Page 8: ...PREFACE Trusted 40 Channel 120 Vac Digital Input FTA vi Issue 7 Rockwell Automation Publication ICSTT RM290F EN P Page intentionally left blank...

Page 9: ...on 7 4 Cable Capacitance 9 5 Assembly Pinout Connections 11 5 1 AC Supply TB1 Connections 11 5 2 Field TB2 TB5 Connections 11 5 3 Field TB6 TB9 Connections 12 5 4 Field TB10 TB13 Connections 13 5 5 Fi...

Page 10: ...Table of Contents Trusted 40 Channel 120 Vac Digital Input FTA 2 Issue 7 Rockwell Automation Publication ICSTT RM290F EN P Page intentionally left blank...

Page 11: ...Digital Input FTA T8824 provides termination for a maximum of 40 input channels from various types of field devices which generate a digital input Figure 2 below shows the configuration of a single ch...

Page 12: ...n E T8824 FTAs use two power resistors in series as shown in the circuit diagram in Figure 2 Earlier revisions used 4x4 resistor arrays The resistor arrays on the top half are 68 K and the bottom resi...

Page 13: ...Automation Publication ICSTT RM290F EN P Issue 7 5 2 Installation Trusted 40 Channel 120 Vac Digital Input FTA T8824 is designed to be mounted on either of the TS32 or TS35 DIN rails in the horizontal...

Page 14: ...2 Installation Trusted 40 Channel 120 Vac Digital Input FTA 6 Issue 7 Rockwell Automation Publication ICSTT RM290F EN P Page intentionally left blank...

Page 15: ...l Input FTA 3 Associated Cable Selection Rockwell Automation Publication ICSTT RM290F EN P Issue 7 7 3 Associated Cable Selection Refer to the product descriptions detailed below ICSTT RM311 PD TC200...

Page 16: ...3 Associated Cable Selection Trusted 40 Channel 120 Vac Digital Input FTA 8 Issue 7 Rockwell Automation Publication ICSTT RM290F EN P Page intentionally left blank...

Page 17: ...r loop resistance which reduces the capacitive noise and increases the available loop length The table below shows some estimated maximum lengths for different cables and mains supplies Practical dist...

Page 18: ...4 Cable Capacitance Trusted 40 Channel 120 Vac Digital Input FTA 10 Issue 7 Rockwell Automation Publication ICSTT RM290F EN P Page intentionally left blank...

Page 19: ...pply TB1 Connections Pin Service 1 120 Vac Live 2 120 Vac Live 3 120 Vac Neutral 4 120 Vac Neutral Table 2 AC Supply TB1 Connections Figure 4 AC Supply TB1 Connections 5 2 Field TB2 TB5 Connections Pi...

Page 20: ...7 Channel 7 2 Channel 8 Channel 8 Table 3 Field TB2 TB5 Connections Figure 5 Field TB2 TB5 Connections 5 3 Field TB6 TB9 Connections Pin Loop Power terminal Signal terminal TB6 1 Channel 9 Channel 9 2...

Page 21: ...9 2 Channel 20 Channel 20 TB12 1 Channel 21 Channel 21 2 Channel 22 Channel 22 TB13 1 Channel 23 Channel 23 2 Channel 24 Channel 24 Table 5 Field TB10 TB13 Connections 5 5 Field TB14 TB17 Connections...

Page 22: ...1 Channel 33 Channel 33 2 Channel 34 Channel 34 TB19 3 Channel 35 Channel 35 4 Channel 36 Channel 36 TB20 5 Channel 37 Channel 37 6 Channel 38 Channel 38 TB21 7 Channel 39 Channel 39 8 Channel 40 Chan...

Page 23: ...N P Issue 7 15 5 8 SK2 Connections Pin Service 1 0 V 2 Channel 9 3 Channel 10 4 Channel 11 5 Channel 12 6 Channel 13 7 Channel 14 8 Channel 15 9 Channel 16 10 Not used Table 9 SK2 Connections 5 9 SK3...

Page 24: ...P Pin Service 9 Channel 24 10 Not used Table 10 SK3 Connections 5 10 SK4 Connections Pin Service 1 0 V 2 Channel 25 3 Channel 26 4 Channel 27 5 Channel 28 6 Channel 29 7 Channel 30 8 Channel 31 9 Chan...

Page 25: ...120 Vac Digital Input FTA 5 Assembly Pinout Connections Rockwell Automation Publication ICSTT RM290F EN P Issue 7 17 Pin Service 6 Channel 37 7 Channel 38 8 Channel 39 9 Channel 40 10 Not used Table...

Page 26: ...5 Assembly Pinout Connections Trusted 40 Channel 120 Vac Digital Input FTA 18 Issue 7 Rockwell Automation Publication ICSTT RM290F EN P Page intentionally left blank...

Page 27: ...n provided in T8424 Module only Maximum Current Field Supply 5 4 mA per channel 120 Vac 6 7 mA per channel 150 Vac Fusing 50 mA fuse for each channel field voltage supply Operating Temperature 0 C to...

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