Yaskawa HD-2158 Specification

Brand: Yaskawa (Yaskawa Electric)

Model: HD-2158

Derived Models: HD-2158-3, 86A1230A, 86A1200C

Product Type: CNC System I/O Control Board / Data Communication PCB Board

Applicable Series: Yasnac 86 Series / 86A Series CNC System 

I. Model Analysis

HD-2158: Aoki material number (P/N)

HD: High-speed data processing / I/O module series

2158: Function board identification code

-3: Hardware version (e.g. HD-2158-3)

Aliases:

86A1230A, 86A1200C: Built-in hardware identification

NDR0102-4, 78M-0962: Production batch code

II. Core Functions

HD-2158 is the core I/O and communication interface board of Aoki Yasnac 86 series CNC system. Its main functions are:

Large-scale I/O signal processing: Centralized management of machine tool input/output signals (limit switches, switches, solenoid valves, relays, etc.)

Data communication hub: Data transmission between CNC controller, servo system, operation panel, and external devices

Signal isolation and drive: Photoelectric isolation, strong anti-interference, suitable for harsh industrial environments

Status monitoring: Real-time monitoring of I/O port status, supporting fault diagnosis and alarm

Machine logic control: Execution of machine power logic, safety interlock, auxiliary function control

III. Technical Specifications

1. Hardware Specifications

Board Type: Large standard PCB board

Size: Approximately 380mm × 230mm × 25mm

Weight: Approximately 2.7kg

Interface Configuration:

Multiple sets of 50-pin terminal blocks (CN1~CN6): Connect machine I/O signals

Internal bus interface: Communicate with system motherboard, servo control board

Status Indicator Lights: POWER, RUN, ALM, I/O activation status

Electrical Parameters:

Operating Voltage: 5V DC (system) + 24V DC (I/O drive)

I/O Points: Maximum 128 points input / 96 points output

Isolation Voltage: 2500V AC (photoelectric isolation)

Response Time: < 1ms

Environment:

Operating Temperature: 0℃~+55℃

Storage Temperature: -20℃~+70℃

Anti-Vibration: 10~2000Hz, industrial grade

2. Functional Features

Compatible with Yasnac 86/86A systems: Compatible with older CNC machining centers

Plug-and-play: Support online system diagnosis and module replacement

High Reliability: Multi-layer PCB, gold-plated contacts, long-life design

Power Safety: Overcurrent, overvoltage, reverse connection protection for I/O ports

General Compatibility: Often used in Japanese-made machines such as Kitamura (Kitamura), Makino (Makino)

IV. Applicable Systems

Standard Compatibility:

Aoki Yasnac 86 / 86A series CNC controllers

Kitamura machining centers (such as MyCenter 8)

Other machine equipment equipped with Yasnac 86 system

Inapplicable:

New Aoki robots (XRC, DX100, YRC1000)

NXC100, MP series motion controllers

V. Spare Parts Compatibility

Direct Replacement:

HD-2158, HD-2158-3

86A1230A, 86A1200C

Same-version board cards of NDR0102-4, 78M-0962

VI. Summary

HD-2158 is the core I/O control board of the old Aoki Yasnac 86 series CNC system, responsible for machine signal acquisition, logic control, and data communication. It is a key spare part for old Japanese-made machining centers. When repairing, it is necessary to strictly check the ** model, version number, and built-in identification (86Axxxx)** to ensure compatibility.