Rockwell-automation T8840 Trusted Temperature FTA User Manual download pdf (Page 3)

Trusted

Temperature FTA T8840

Issue 4 Apr 10 PD-T8840 3

Table of Contents

1. Description......................................................................................................................................6

2. Installation ......................................................................................................................................7

2.1. Cable Selection ..............................................................................................................................7

2.2. Module Pin-out Connections ..........................................................................................................9

2.2.1. RTD1 to RTD8................................................................................................................................9

2.2.2. PWR ...............................................................................................................................................9

2.2.3. IOIF.................................................................................................................................................9

3. Application ....................................................................................................................................11

3.1. Signal Conditioning units ..............................................................................................................11

3.1.1. Isolator Physical dimensions ........................................................................................................11

3.1.2. Conditioning Unit Specification.....................................................................................................12

3.1.3. Available Conditioning Units.........................................................................................................12

3.1.4. Cold Junction Compensation .......................................................................................................13

4. Specifications ...............................................................................................................................14

Figures

Figure 1 Module Layout ...........................................................................................................................6

Figure 2 System connectivity using 1-5v output devices ..........................................................................7

Figure 3 System connectivity using VFTA ................................................................................................8

Figure 4 Temperature Input Schematic....................................................................................................9

Figure 5 Conditioning Unit Dimensions ..................................................................................................11

Tabl e s

Table 1 Input Terminations.......................................................................................................................9

Table 2 Power terminations......................................................................................................................9

Table 3 Temperature signal Outputs......................................................................................................10

1 2 3 4 5 6 7 8 ... 14 15

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Rockwell-automation T8840 Trusted Temperature FTA User Manual Page 3

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