Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-IT6 |
| Spare Model | 1769IT6 |
| Brand | Allen-Bradley |
| Product Line | CompactLogix |
| Module Type | Thermocouple Input Module |
| Number of Input Points | 6 |
| Input Type | Thermocouple |
| Millivolt Input Ranges | +/- 50 mV and +/- 10 mV |
| Converter Type | Delta Sigma |
| CJC Sensor Accuracy | +/- 0.3 deg C (+/- 0.54 deg F) |
| CJC Accuracy | +/- 1.0 deg C (+/- 1.8 deg F) |
| Power Supply Distance Rating | 8 modules |
| Series | A and B |
| Replacement Door Label Part Number | 1769-RL2, Series B |
| Replacement Terminal Block Part Number | 1769-RTBN18 |
| Wire Material and Temperature Rating | Copper, 90 deg C |
| Solid Wire Size | 22-14 AWG |
| Manufacturer | Allen-Bradley |
| Country of Origin | USA |
| Weight | 0.25 kg |
| Estimated Shipping Dimensions | 16 x 13 x 5.3 cm |
| Tariff Code | 8537101190 |
Temperature Input and Signal Processing
The 1769-IT6 receives low-level analog signals from thermocouples for temperature measurement. Its millivolt input ranges support low-voltage signal acquisition, while the delta-sigma converter digitizes the input for processing by the controller system. Correct thermocouple type selection and configuration are necessary for the controller to interpret the measured signal accurately.
Cold junction compensation accounts for the reference-junction temperature when calculating thermocouple temperature. The listed CJC sensor accuracy and CJC accuracy are separate specifications; they should not be treated as interchangeable values when evaluating measurement performance.
Wiring and Replacement Components
The supplied wiring specifications identify copper conductors rated for 90 deg C, with solid wire sizes from 22 to 14 AWG. For replacement work, the listed terminal block part number is 1769-RTBN18, and the replacement door label is 1769-RL2 Series B. Verify the existing terminal block, label and module series before ordering replacement components.
The power supply distance rating is eight modules. This value describes the stated installation constraint within the module system; it does not indicate that eight thermocouple input modules can necessarily operate together without considering the controller configuration and other system requirements.
Frequently Asked Questions
Q: What signals does the 1769-IT6 accept?
A: The module accepts thermocouple inputs and lists millivolt ranges of +/- 50 mV and +/- 10 mV. Select the correct thermocouple type and channel configuration for the intended measurement.
Q: Which replacement terminal block is listed for the 1769-IT6?
A: The specified replacement terminal block is 1769-RTBN18. Confirm the installed module and terminal block configuration before replacement.
Q: What should be checked when replacing a Series A or Series B module?
A: Verify the complete model number, series designation, terminal block and door label. The supplied data lists 1769-RL2 Series B as the replacement door label; it does not establish that every accessory is interchangeable between module revisions.
Reviews
There are no reviews yet.