Spectrum Controls 1746sc-NI8u - Manual (Page 11)

Preface vii
Appendix C: Using Grounded Junction,
Ungrounded Junction, and Exposed Junction Thermocouples
Thermocouple Types ......................................................................................... 113
Isolation ............................................................................................................... 114
Getting Technical Assistance ............................................................................ 117
Declaration of Conformity ................................................................................. 117
Figures
Figure 2.1 Module insertion into a rack ........................................................... 14
Figure 2.2 Terminal block diagram with CJC sensors ................................... 15
Figure 2.3 Ferrite EMI suppressor for CE compliance .................................. 20
Figure 2.4 Terminal block diagram with input cable ....................................... 20
Figure 3.1 Image table ....................................................................................... 24
Figure 3.2 Signal attenuation with 10 Hz input filter ...................................... 27
Figure 3.3 Signal attenuation with 50 Hz input filter ...................................... 27
Figure 3.4 Signal attenuation with 60 Hz input filter ...................................... 28
Figure 3.5 Signal attenuation with 250 Hz input filter .................................... 28
Figure 5.1 Channel configuration ..................................................................... 51
Figure 5.2 Data table for initial programming .................................................. 52
Figure 5.3 Initial programming example .......................................................... 52
Figure 5.4 Dynamic programming example .................................................... 53
Figure 5.5 Data table for dynamic programming ............................................ 54
Figure 5.6 Programming for configuration changes example ....................... 55
Figure 5.7 Data table for configuration changes............................................. 55
Figure 5.8 Programming for PID Control Example ........................................ 56
Figure 5.9 Data table for PID Control .............................................................. 57
Figure 5.10 Monitoring channel status bits example ....................................... 58
Figure 5.11 Data table for monitoring channel status bits ............................... 58
Figure 6.1 Troubleshooting Flowchart .............................................................. 68
Tables Table 1.1 Thermocouple Temperature Ranges .............................................. 1
Table 1.2 RTD Temperature Ranges ................................................................ 2
Table 1.3 Millivolt Input Ranges ........................................................................ 2
Table 1.4 Current Input Ranges ........................................................................ 2
Table 1.5 Resistance Input Range ................................................................... 2
Table 1.6 Hardware Features ............................................................................ 3
Table 1.7 Recommendations to minimize interference from radiated
electrical noise ................................................................................... 5
Table 1.8 Cable Specifications .......................................................................... 6
Table 2.1 Maximum current drawn by the module ........................................ 10
Table 3.1 Cut-off frequency, step response time, and effective resolution
(based on filter frequency) .............................................................. 26
Table 3.2 Channel Sampling Time ................................................................. 29