Delta AH16AM10N-5A Digital Input DI Module

AH 16 AM 1 0 N 5A

AH: AH500 high-end modular PLC series

16: Total I/O points = 16 points

AM: Digital Input module

1: DC24V input

0: No output channels

N: No output type

5A: Removable terminal block (JIS terminal)

📋 Core Technical Specifications

Points: 16-point DC24V Digital Input (DI)

Input Voltage: DC24V, Input Current: 5mA

Input Type: NPN/PNP compatible (Sink/Source universal). No hardware rewiring required to switch between sink/source sensors.

Feature: Hot-swap capable, modules can be replaced without system power-off for convenient maintenance.

Status Indicator: Independent LED status indicator per channel

Power Consumption: 0.1W, max. 1.9W for the module

Dimensions (H×W×D): 110 × 35 × 103 mm

Mounting: AH500 local backplane / expansion backplane; digital, analog and motion modules can be mixed on the same backplane.

Programming Software: ISPSoft

📌 Product Features

1. Hot Swap: Modules can be installed/removed while the system remains powered on to minimize production downtime.
2. Universal Input: Compatible with 2-wire / 3-wire proximity sensors, photoelectric sensors, limit switches, pushbuttons and other 24V sensors.
3. Removable Terminal Block: The terminal strip can be detached as a whole, simplifying wiring construction and on-site troubleshooting.
4. High-integration AH500 Platform: Can be paired with AH-series CPUs, AH16ANxx output modules, AD/DA analog modules and EtherCAT motion modules for mixed expansion.

🏭 Typical Application Scenarios

Packaging machinery, textile equipment, printing machines, water treatment, automated production lines and machine tool I/O signal acquisition. Used to collect signals from limit switches, photoelectric sensors, proximity switches, valve feedback and pushbutton DI signals.

🔁 Cross-series Comparison & Alternative Selection

AH16AM10N-5A: 16-point DC24V DI with removable terminal block

AH32AM10N-5B: 32-point DC24V DI with DB37 connector

AH16AN01P-5A: 16-point PNP transistor DO output module (for matching use)

⚠️ Troubleshooting Guide

1. Input LED not lit: Check DC24V power supply, S/S common terminal wiring of sensors and verify NPN/PNP matching.
2. Flickering signals: Caused by unshielded sensor cables, voltage drop or loose terminals.
3. Module not recognized: Poor backplane contact or mismatched module firmware version. Hot-swap function requires AH500 CPU firmware that supports hot swapping.

Delta AH16AM10N-5A Application Cases (AH500 16-point DI Module)

The AH16AM10N-5A is a DC24V digital input expansion module for the AH500 PLC system. Its core function is to acquire switching signals from field sensors, limit switches, pushbuttons and valve feedback. Hot swap and NPN/PNP universal compatibility are key advantages for site selection. Below are 5 practical engineering cases.

Case 1: 3D Printing Equipment (Classic Application of AH16AM10N-5A)

System Hardware List

AHCPU530-EN (AH500 CPU)

AHPS05-5A Power Supply + AHBP08M1 Backplane

AH16AM10N-5A ×1 (DI signal acquisition)

AH16AN01T-5A Transistor DO Output Module

AHMC20A DMCNET motion module, temperature control module

Signal Assignment for AH16AM10N-5A (16 Points)

1. X0~X3: Home position, positive/negative hard limit for 3 axes
2. X4~X7: Print head abnormal temperature, filament break detection, low material sensor
3. X8~X11: Safety door, emergency stop, reset and start pushbuttons
4. X12~X15: Platform in-position, material bin presence, fan feedback, alarm reset

Solution Highlights

NPN/PNP compatibility supports mixed use of photoelectric and proximity sensors from different brands.

Hot-swap capability allows equipment maintenance without full machine power-off.

Collected DI signals are sent to AH500 to realize axis linkage control together with the motion module.

Purpose: Collect safety signals, position sensors and material detection switches as interlock conditions for motion control.

Case 2: Food Packaging Machine / Vertical Form-Fill-Seal Machine

System Architecture

AH500 CPU + AH16AM10N-5A + AH16AN01P Output Module + Delta Servo + DOP HMI

16-Point DI Assignment

Photoelectric sensors: Bag presence detection, material falling detection

Proximity sensors: Film feeding in-position, cutter home position, gripper home position

Switches: Safety door, emergency stop, manual/auto selector, start/stop pushbuttons

Feedback signals: Solenoid valve action feedback, air pressure switch

Application Value

Packaging machines are equipped with large quantities of sensors. The removable terminal block enables batch wiring for high efficiency. Faulty modules can be hot-swapped during production to reduce downtime. DI signals implement interlock logic: cutter movement is disabled if the safety door is open.

Case 3: Water Plant / Wastewater Treatment (Process Automation)

AH500 projects in Fujian and Jiangxi water plants deploy multiple AH16AM10N-5A modules to collect signals for pump rooms, chemical dosing rooms and filter tanks.

Collected Signals

Pump running feedback and fault dry-contact signals

Valve open / closed position feedback (electric butterfly valves)

High/low level float switches, differential pressure switches

Local control cabinet pushbuttons, manual/auto selector switches

Solution Features

Field signals are widely dispersed; extension cables for backplane can reach up to 100m.

Multiple AH16AM10N-5A modules expand DI points to acquire massive pump and valve status data.

Signals are transmitted via Ethernet from AH500 to DIAView SCADA for remote pump room monitoring.

Case 4: Automotive Interior Assembly Line (Multi-station Automation)

Project Overview: Dashboard assembly line with 26 workstations. AH500 acts as the main controller. Each workstation uses one AH16AM10N-5A to collect workstation sensor signals.

DI Acquisition Content

Pallet in-position, workpiece presence photoelectric sensors

Cylinder limit switches, fixture clamp/release feedback

Safety light curtain signals, emergency stop, workstation request signals

Advantages

NPN/PNP universal design allows mixed sensors from multiple suppliers without hardware modification. Module LED indicators speed up fault point location. Multiple AH16AM10N-5A modules expand I/O capacity, and one AH500 can control multiple assembly stations.

Case 5: Warehouse Stacker / Palletizing Robot

Hardware Configuration

AH500 motion CPU + AH16AM10N-5A DI Module + AH-series motion modules

Signal Acquisition

Origin and overtravel limit for stacker travelling, lifting and fork axes

Cargo detection photoelectric sensor, fork occupancy detection

Safety circuit: emergency stop, safety door, anti-collision sensor

Manual operation box pushbutton signals

Control Logic

AH16AM10N-5A collects limit and safety signals as hardware interlock for motion commands. Servo motion output is immediately cut off once limits are triggered to prevent stacker rail collision.

✅ Common Advantages of AH16AM10N-5A in Projects

1. NPN/PNP Universal: Mixed sensors from different brands in projects without rewiring.
2. Hot Swap: Maintain production equipment without shutdown, the core selling point of AH500 modules.
3. Removable Terminals: Pre-wiring in control cabinets improves on-site installation and commissioning efficiency.
4. 16 DI points per module with moderate capacity, ideal for I/O expansion of small & medium workstations and standalone machines. Additional modules can be mounted on AH backplanes for more points.

📌 Typical Configuration Reference (Standalone Machine Scheme)

AHCPU510-EN + AHPS05-5A + AHBP04M Backplane + AH16AM10N-5A + AH16AN01P-5A

Application: Standalone automation, machine tools, packaging machines, special-purpose machinery

🔎 On-site Commissioning Tips for Project Deployment

1. S/S common terminal of sensors: Connect 24V for NPN sensors, connect 0V for PNP sensors. No DIP switch adjustment required on AH16AM10N-5A.
2. Use shielded cable with grounding for long sensor wiring to prevent DI signal flickering.
3. Hot-swap function requires compatible firmware version of AH500 CPU. Old firmware needs upgrading to support live module replacement.

Delta AH500 Series Digital I/O Module Full List (Same Series as AH16AM10N-5A, All Hot-Swap Supported)

Suffix Explanation

5A: Removable detachable terminal block (most common, same terminal type as AH16AM10N-5A)

5B: DB37 pin connector

5C: IDC header

1. Digital Input Modules AM (DI)

1. Digital Output Modules AN (DO)

III. Mixed I/O Modules AP (Integrated DI+DO)

Supporting AH500 Basic System Modules (Full PLC Assembly, Non-DIO)

CPU Units

AHCPU510-EN, AHCPU520-EN, AHCPU530-EN, AHCPU540-EN, AHCPU550-EN, AHCPU560-EN2 (High-end Redundant CPU)

Power Supply Modules

AHPS05-5A (Standard Power Supply), AHPS15-5A (High-power Power Supply)

Backplanes (Local / Expansion Backplane)

AHBP04M1, AHBP06M1, AHBP08M1 (Standard Backplane)

AHBP04MR1-5A / AHBP06ER1-5A / AHBP08ER1-5A (Redundant Backplane)

Other A500 Special Modules (Analog, Motion, Communication)

1. Analog AIO: AH04AD, AH08AD, AH04DA, AH08DA, AH04PT, AH04TC RTD / Thermocouple Modules
2. High-speed Counter: AH02HC-5A 2-channel high-speed counter
3. Motion Module: AHMC20A (DMCNET motion)
4. Communication Module: AH10SCM (Serial port), AH10EN (Ethernet), AH10DNET DeviceNet

✅ Quick Selection Guide

1. Standalone machines commonly use AH16AM10N-5A (DI) + AH16AN01P/T-5A (DO)
2. Large I/O quantity with DB37 wiring in control cabinets: select suffix 5B
3. Centralized I/O cabinet with ribbon cable wiring: select suffix 5C IDC header
4. AC sensor input: AH16AM30N-5A
5. Mixed small amount DI+DO to save backplane slots: AH16AP series