Delta AH500 PLC Operating Instructions

Product Overview

AH500 is a medium-sized modular PLC from Delta, designed for medium to large automation equipment. It adopts a CPU+motherboard+expansion module architecture and is divided into Basic basic and Advanced advanced CPUs. It supports multi protocol communication, multi axis motion control, and large-scale I/O expansion.

CPU module specifications (core)

1. Performance comparison

Series execution speed, program capacity, maximum I/O, maximum motherboard

Basic 3K steps/ms 32K~256K steps 768~4352 points 1-8 segments

Advanced 12K steps/ms 96K~384K steps 1280~4352 points 2~8 segments

2. Interface and Function

Communication: USB 2.0, RS232/485/422, 10/100M Ethernet (EN model)

Storage: SD card, supports program/parameter backup and recovery

Clock: Built in real-time clock, power down hold

Task: Up to 283 tasks, supporting cycles, I/O interrupts, and timed interrupts

System Expansion Architecture

baseplate

Main base plate: 4/6/8/12 slots (AHBP04/06/08/12M1-5A)

Expansion base plate: 6/8 slots (AHBP06/08E1-5A)

Maximum Expansion: 1 Main+7 Expansion, totaling 8 Bottom Plates

power supply module

AHPS05-5A: AC100~240V input, 24V/5A output

AHPS15-5A: DC24V input, 24V/1.5A output

Maximum scalability

Maximum I/O modules: 68

Maximum number I/O: 4352 points

Maximum simulated I/O: 544 points

I/O module family

1. Digital quantity module

Input: 24VDC/110~240VAC, 16/32/64 points, response time 0.1~15ms

Output: Relay (2A), transistor (0.1~0.5A), thyristor (0.5A)

Features: Supports hot plugging, interrupt input, LED status indication

2. Analog module

Accuracy: 16 bits

Input: ± 10V~0~20mA/4~20mA, 4/8 channels

Output: ± 10V~0~20mA/4~20mA, 4/8 channels

Conversion time: 150 μ s/channel

3. Temperature measurement module

Type: RTD (Pt100/Ni1000), thermocouple (J/K/R/S/T/E/N)

Resolution: 0.1 ℃/0.1 ° F

Channel: 4/8 channels, isolated between channels

4. Network communication module

Model Protocol Speed

AH10EN-5A Ethernet/IP、Modbus TCP 10/100M

AH10SCM-5A RS485/422、Modbus 1200~460800bps

AH10DNET-5A DeviceNet 125k~1Mbps

AH10PFBM/S PROFIBUS-DP 9.6k~12Mbps

AH10COPM-5A CANopen 10k~1Mbps

5. Motion control module

Number of axes: 2/4/6/12 axes

Pulse output: up to 1MHz, differential output

Function: Linear/Arc Interpolation, Return to Origin, Compare Output

Instruction: Supports G-code and M-code

Representative model: AH05PM/10PM/15PM/20MC-5A

6. Remote I/O module

AHRTU-DNET-5A: DeviceNet Slave

AHRTU-PFBS-5A: PROFIBUS-DP Slave Station

AHRTU-ETHN-5A: EtherNet/IP Slave

Software and Programming

Programming software: ISPSoft (compliant with IEC 61131-3)

Language support: LD, IL, SFC, FBD, ST

Configuration tool:

HWCONFIG: Hardware configuration, parameter settings

NWCONFIG: Network Configuration, Routing Settings

Core functions: online editing, online debugging, password protection, FB function block

Communication and Network

Serial port: RS232/485/422, up to 1Mbps

Ethernet: Supports Modbus TCP, EtherNet/IP, Socket, Email, Web

Multi machine interconnection: PLC Link, Ether Link

Diagnosis: Network status, error logs, node monitoring

Core ability of motion control

Control mode: pulse/direction, A/B phase, add/subtract count

High speed counting: up to 200kHz, supports differential signals

Interpolation: 2-axis straight line/arc interpolation

External interfaces: USB, Ethernet, SD card, supporting program storage and debugging

Installation, maintenance, and diagnosis

Installation: DIN rail installation, module hot swappable

Wiring: Terminal/DB37/patch connector, strong and weak current separation

Backup and recovery: One click backup/restore program, parameters, and logs for SD card

Diagnosis: LED status indication, error codes, online monitoring, I/O scanning

Key issues

Question 1: What are the three core differences between AH500 Basic and Advanced CPUs?

answer:

Execution speed: Advanced has 12K steps/ms, which is 4 times faster than Basic (3K steps/ms);

Program capacity: Advanced has a maximum of 384K steps, much larger than Basic’s 256K steps;

Tasks and Resources: Advanced has larger data registers, link registers, and richer interrupt resources.

Question 2: How many I/O and modules can AH500 expand at most? What installation and wiring requirements are supported?

answer:

Maximum expansion: 8-segment motherboard, 68 modules, 4352 digital I/O points;

Installation: DIN rail installation, supports module hot swapping;

Wiring: Separate strong electrical and signal lines, isolate analog/digital signals, and recommend using shielded cables.

Question 3: What axis control functions and communication methods does the AH500 motion control module support?

answer:

Axis number: Supports 2~12 axes, with a maximum pulse output of 1MHz;

Function: Return to origin, limit, compare output, line/arc interpolation;

Communication: Differential pulse, DMCNET bus, can be programmed and debugged through USB/Ethernet/SD card.