Allen-Bradley 1769-ARM Compact I/O Module
Manufacturer: Allen Bradley
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Part Number: 1769-ARM
Condition：New with Original Package
Product Type: Address Reserve Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
The Allen-Bradley 1769-ARM, also cataloged as the 1769-ARM Address Reserve Module, operates as a dedicated hardware component for slot addressing continuity within CompactLogix or MicroLogix 1500 system platforms. Configured as a specialty placeholder module occupying a single chassis slot, the assembly executes mechanical and electrical loop pass-through behavior without processing real-world input or output signals. The internal bus connections ensure that downstream module configuration parameters, logical slot numbering sequences, and data tables remain fixed inside the processor memory when a functional I/O module is physically removed from the bank.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-ARM |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.25 kg (0.55 lbs) |
| Dimensions | 118 x 35 x 87 mm standard 1769 form factor |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | Minimal passive backplane current draw (no I/O circuitry) |
| Series | Compact I/O (CompactLogix 1769 / MicroLogix 1500) |
| Module Type | Address Reserve Module |
| Storage Temp | -40 to +85 deg C |
| Humidity | 5% to 95% RH, non-condensing |
| Certifications | IECEx, UL, CE, C-Tick |
Industrial Control & Drive Features
The passive electrical architecture interfaces with the standard backplane bus communication velocity protocols to guarantee uninterrupted signal propagation between adjacent modules. By omitting physical I/O circuitry, the device configuration preserves fixed parameters across Profinet / EtherNet/IP deterministic networks connected through the main controller scanner. This mechanical footprint maintains uniform I/O density scaling dimensions inside the enclosure, ensuring that the alignment pins and integrated bus lever locking mechanisms match standard firmware flash compatibility profiles verified across the entire 1769 platform family.
Frequently Asked Questions
Q: Does the installation of the 1769-ARM require alterations to the user program or I/O configuration matrix?
A: No, the module acts as a transparent physical placeholder, meaning the controller maintains its original slot addressing assignments without software reconfiguration.
Q: Can the 1769-ARM be used to protect an empty slot from environmental dust and debris?
A: Yes, the module seals the open backplane space and utilizes the same rugged exterior housing form factor as operational 1769 digital or analog modules.
Q: Does the address reserve card consume significant backplane current from the system power supply?
A: The card contains no active discrete input/output circuits or field-side driver components, resulting in negligible electrical load on the 5 VDC and 24 VDC backplane channels.
Field Installation Guidelines
Isolate the main system power supply and verify that the backplane is de-energized before initiating any assembly modifications. Slide the module onto the 35 mm DIN rail or position it directly onto the panel enclosure surface, aligning the side tongue-and-groove guides with the adjacent hardware units. Engage the integrated bus lever locking system firmly to complete the internal circuit connections across the backplane interface. Ensure that all mechanical locking slides are fully seated to withstand industrial vibration vectors. Because this specialty hardware contains no external field wiring terminals, verify that the adjacent channel cables are neatly routed and tied back to eliminate physical mechanical strain on the passive 1769-ARM chassis housing.