How-To Guide  ·  Allen-Bradley Compact 5000 I/O  ·  AC Input Configuration

5069-IA16: Installation, Wiring, Configuration, and Programming Guide

Part Number: 5069-IA16  ·  Compact 5000 Platform  ·  16-Channel 120/240V AC Input  ·  Studio 5000 Logix Designer

1. Module Overview

The 5069-IA16 is a fixed 16-point AC digital input module for the Compact 5000 I/O platform. It detects line-voltage AC discrete signals (79…264V AC, 47…63 Hz) from field devices and presents them to the controller as individual per-point tags (Ptxx.Data). The 16 channels form a single group with a shared common; the inputs return through internal module circuitry to the SA(−) terminal on the SA power RTB, not to a terminal on the field wiring RTB. Each channel has an individual status indicator. Input filter times are configurable per point on the Points page, but the valid values depend on the signal voltage (see Studio 5000 Configuration).

Catalog Number Breakdown

Key Specifications

All values from 5069-TD001 (March 2026), 5069-IA16 table.

2. Hardware Installation

The 5069-IA16 mounts on an EN50022 35 x 7.5 mm DIN rail (zinc-plated, chromate-passivated steel) as part of the Compact 5000 system assembly. Modules interlock side by side and pass MOD power, SA power, and backplane communication module to module -- there is no separate chassis. A CompactLogix 5380 controller (or a 5069-AENTR / 5069-AEN2TR adapter for remote I/O) supplies MOD and SA power to the modules from external power wired to its MOD and SA power terminal blocks. There is no separate 5069 power supply module.

System Assembly Order

Left to right, the assembly order is:

Installation Steps

1. Power off the system and lock out / tag out. Confirm that MOD power and all sources of SA power (including the AC supply) are off before adding or removing any module.
2. Mount the DIN rail. Secure the DIN rail to the mounting surface approximately every 200 mm, following Rockwell's Industrial Automation Wiring and Grounding Guidelines (publication 1770-4.1). In a CompactLogix 5380 system, leave at least 50.8 mm (2 in.) of space around the system at 50–55 °C, 101.6 mm (4 in.) at 60 °C.
3. Remove the end cap from the right-most module in the system, if one is installed. Keep it -- it goes back on the last module.
4. Close the DIN rail latch. If the module's DIN rail latches are open, gently push the rear latch back until the front latch pops up and clicks.
5. Align the interlocking pieces of the module with the device on its left (controller, 5069-FPD, or previous I/O module). The top interlocking pieces engage first.
6. Push the module toward the DIN rail until a click indicates that it is locked in place.
7. Install the end cap on the last module: align it with the interlocking pieces and push it toward the DIN rail until it locks. Install it only after the last module is in place, and never from the backwards direction -- that can damage the MOD and SA power bus connectors.
8. Note the slot number. Count left to right starting at the first I/O module position after the controller. Slot 1 is the first module, Slot 2 is the second, and so on. Record this number for Studio 5000 configuration.

Terminal Block Selection and Removal

The 5069-IA16 uses a removable terminal block (RTB) ordered separately. Select the correct RTB for your wire gauge and connection preference:

RTBs are not included with the module and must be ordered separately. This design allows you to pre-wire the terminal block on the bench and snap it onto the module after mounting, or swap a faulted module without disturbing field wiring. The RTB does not support removal and insertion under power -- remove power first. To install the RTB:

1. Hook the bottom of the RTB into the RTB tab on the module.
2. Push the RTB against the module until it clicks into place.
3. Push the RTB handle against the RTB until you hear a second click.

Wire size for both RTBs: 22–16 AWG solid or stranded shielded copper wire rated 105 °C or greater, one conductor per terminal.

3. Wiring

Terminal Assignments

The 5069-IA16 uses an 18-position removable terminal block. The 16 input channels occupy pins 0 through 15. Pins 16 and 17 are not connected. There are no common pins on the field RTB: the inputs return through internal module circuitry to the SA(−) (L2) terminal on the SA power RTB of the controller, 5069-AENTR / 5069-AEN2TR adapter, or 5069-FPD that supplies this module's SA power bus.

Standard AC Input Wiring

AC input modules use a simple two-wire connection per channel: the hot leg passes through the field device to the input terminal, and the return to neutral (L2/N) is through the module to SA− on the SA power RTB. When the field device closes, AC voltage is applied across the module's internal sensing circuit, which detects the signal and sets the corresponding input bit.

Typical Field Device Wiring Examples

4. Studio 5000 Configuration

After physically installing the module, add it to the Studio 5000 project I/O tree. The controller must know the module exists and its slot position before it can read input data.

Adding the Module to the I/O Tree

1. In Studio 5000 Logix Designer, expand the Controller Organizer (left panel) → I/O Configuration → expand your controller node.
2. Right-click the controller node → New Module.
3. In the module search dialog, type 5069-IA16 and select it from the results. Click Create.
4. Set the Name -- use a descriptive name such as AC_Inputs_Slot3 or AI_Panel1 (avoid names starting with a digit).
5. Set the Slot number to match the physical position. Slot 1 = first I/O module to the right of the controller.
6. Click OK. The module appears in the I/O tree and its input tags are auto-generated.

Module Properties -- Connection Tab

Right-click the 5069-IA16 in the I/O tree and select Properties. Key settings on the Connection tab:

COS (Change of State) vs. RPI Communication

Compact 5000 input modules always send data at the RPI. With Change of State (enabled by default on input modules), they also send data as soon as an input changes, so a transition does not wait for the next RPI.

Configuring Input Filter Times

Input filters are set per point on the Points page of the module properties. The total input delay is the hardware delay (10 ms typical) plus the configured filter time. The valid values depend on the AC signal voltage connected to the module:

Input Data Tags

Once the module is added, Studio 5000 automatically creates controller-scoped tags. Assuming the module is named AC_Inputs_Slot3 in Slot 3:

5. Reading Inputs in Ladder Logic

AC inputs from the 5069-IA16 are read with the same ladder logic instructions as DC digital inputs. The two core instructions for discrete inputs:

Tag Addressing

For a 5069-IA16 in Slot 3, individual input bits are addressed as:

Practical Example: AC Field Device Monitoring with Alarms

This example demonstrates a common use case for the 5069-IA16: monitoring AC-powered field devices -- float switches, pressure switches, and a motor run contactor -- and generating alarms. The controller is a CompactLogix 5380. The 5069-IA16 is in Slot 3; a 5069-OA16 AC output module is in Slot 4 for AC pilot light and starter coil outputs. Both are AC SA modules, so Slots 1–2 hold no DC SA modules, or a 5069-FPD separates them from Slots 3–4.

I/O Assignment Table

Ladder Logic (Structured Text Representation)

Feedback_Timer is an FBD_TIMER (used by the ST TONR instruction). Pump_Run_Cmd, HMI_FaultReset, the four *_Alarm tags, and System_Fault are controller-scoped BOOLs.

6. Diagnostics & Troubleshooting

LED Indicators

The 5069-IA16 has the following LED indicators on the module face:

Common Faults and Resolutions

Checking Module Status in Studio 5000

1. Go online with the controller (Controller → Go Online or Ctrl+W → Go Online).
2. In the I/O tree, check the module icon: green circle = communicating normally, yellow triangle = warning or configuration mismatch, red X = faulted / communication lost.
3. Right-click the 5069-IA16 → Properties → Connection tab to read detailed status and any error codes.
4. Monitor the input data in real time: expand the module in the Controller Tags window and watch the Local:X:I.Ptxx.Data bits toggle as field devices are switched. Individual channel bits should change within the hardware delay plus filter time (about 11–30 ms).
5. Check Local:X:I.DiagnosticActive and per-point Local:X:I.Ptxx.Fault bits for data-quality faults.

7. Related 5069 Input Modules

The Compact 5000 platform offers a range of digital input modules for different voltage levels and application requirements:

8. Related Guides

Reference Documentation

The following Rockwell Automation publications were used as references for this guide. These are the official manufacturer documents for the hardware covered in this article.