The 1769-ADN is a DeviceNet communication adapter that enables 1769 Compact I/O modules to operate as a distributed I/O station on a DeviceNet network. Using the Common Industrial Protocol (CIP), it provides seamless data collection, control, and configuration between plant-floor devices—such as sensors and actuators—and a master controller.
The module is ideal for expanding I/O capacity over long distances without requiring a local processor at every station, reducing wiring complexity and overall system costs.
| Specification | Details |
|---|---|
| Module Type | 1769-ADN DeviceNet Adapter |
| Network Protocol | DeviceNet (CIP) |
| Node Capacity | Up to 30 I/O modules per bank |
| Communication Rates | 125 Kbps (up to 500 m), 250 Kbps (up to 250 m), 500 Kbps (up to 100 m) |
| Backplane Current Draw | 450 mA (Series A) / 500 mA (Series B) @ 5.1V DC |
| DeviceNet Current Draw | 90 mA @ 24V DC |
| I/O Capacity | Up to 180 words Input / 180 words Output |
| Isolation Voltage | 30V continuous; tested at 500V DC for 60 s |
| Dimensions | 118 x 50 x 87 mm |
| Weight | 0.28 kg |
Slave Module: Operates as a DeviceNet slave managed by a scanner (e.g., 1769-SDN).
Flexible Topology: Supports trunkline-dropline layouts for distributed I/O.
Easy Configuration: Node addresses set via front rotary switches.
Module Compatibility: Works with nearly all 1769 Compact I/O digital, analog, and specialty modules.
Diagnostics: Status LEDs for Module, Network, and I/O facilitate rapid troubleshooting.
Power Requirements: The 1769-ADN does not supply power to I/O modules; use a separate 1769-PA2, PB2, PA4, or PB4 supply.
Termination: Use 121 Ω resistors at both ends of the DeviceNet trunk line to maintain signal stability.
Distance Rating: Position the 1769-ADN within the power supply distance rating of connected modules (typically 4–8 slots).
Can I use the 1769-ADN to control a machine without a PLC?
No. The 1769-ADN is a slave adapter and requires a master device, such as a CompactLogix controller with a 1769-SDN or SLC 5/00 with a 1747-SDN, to manage I/O data.
What is the difference between Series A and Series B?
Series B offers improved firmware stability and a slightly higher backplane current draw (500 mA vs. 450 mA). Check your power supply budget when upgrading from Series A to B.
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