Overview
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-ECR |
| Brand | Allen-Bradley |
| Product Type | Right End Cap |
| Product Line | CompactLogix |
| Compatible Controllers | 1769 Compact I/O Series Controllers |
| End Cap Type | Right End Type |
| Spare Part / Accessory | Yes |
| UPC | 662468993043 |
| Current Draw at 5.1 VDC | 5 mA |
| Current Draw at 24 VDC | 0 mA |
| Enclosure | Open Style |
| North American Temperature Code | T3C |
| IEC Temperature Code | T4 |
| Operating Temperature | 0 to 60 deg C (32 to 140 deg F) |
| Relative Humidity | 5 to 95%, non-condensing |
| Maximum Operating Altitude | 2000 m above sea level |
| Estimated Shipping Dimensions | 12.5 x 8.4 x 2.5 cm |
| Listed Weight | 0.05 kg |
Function and Configuration
The 1769-ECR serves as the right-side termination component for a Compact I/O assembly. It is not an input or output module and does not provide field signal channels. Its role is to complete the end of the configured I/O system, so the correct end-cap position matters when checking an existing assembly or preparing a replacement.
Installation and System Requirements
The 1769-ECR terminates the Compact I/O communication bus at the right end of the final I/O bank when no expansion cable occupies that position. Confirm the assembly layout before replacement, as the right end cap serves a different position from the left end cap.
The enclosure rating is open style, so the component should be installed within an enclosure appropriate for the surrounding environment and system requirements.
Frequently Asked Questions
Q: What is the function of the Allen-Bradley 1769-ECR?
A: It terminates the communication bus at the right end of a compatible 1769 Compact I/O assembly. It does not perform input or output signal processing.
Q: Can the 1769-ECR be used as a left end cap?
A: No. The 1769-ECR is the right end cap. The 1769-ECL is the corresponding left end cap, so select the part according to the required position.
Q: What operating temperature does the 1769-ECR support?
A: The listed operating range is 0 to 60 deg C (32 to 140 deg F). The specified relative humidity is 5 to 95%, non-condensing.
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