Yaskawa D-GSC01B (JANCD-GSC01B) Product Specification

Brand: Yaskawa (Yaskawa Electric)

Model: D-GSC01B (Hardware Number: JANCD-GSC01B)

Product Type: YASNAC Series CNC Sequential Control Board / PLC Logic Control Board

Applicable System: Yasnac 2000 Series CNC Control System (such as Shimadzu SL4 and other machine tools)

Related Models: DF7000067 (Rev. A), DF7000066 (Rev. B)

I. Model Interpretation

D-GSC: Yasnac CNC System Sequential Control (Sequence Control) Board Series

01: Basic Sequential Control Unit

B: Hardware Version (Version B)

Full Name: JANCD-GSC01B (Industrial Spare Parts Standard Naming)

II. Core Function Positioning

D-GSC01B is a dedicated PLC logic control board for the Yasnac CNC system, independent of the main CPU board, responsible for:

Machine Logic Control: Automatic Tool Change (ATC), Cooling, Lubrication, Spindle Start/Stop, Tool Storage Control

I/O Signal Processing: Machine Switches, Buttons, Sensors, Solenoid Valves Input/Output

Safety Interlock: Emergency Stop, Door Switch, Overtravel, Overload Protection Logic

Auxiliary Axis Control: Tool Storage, Turntable, Fixture, etc. Sequential Actions of Auxiliary Mechanisms

Communication with Main CPU: Receiving CNC Instructions, Feedbacking Machine Status, Executing M/S/T Codes

III. Technical Parameters

1. Hardware Specifications

Control Type: Special Sequential Logic Controller (PLC)

Processor: 8/16-bit CNC Special Logic Chip

Program Storage: ROM Fixed System Program, RAM Stores User Logic (Battery Backup)

I/O Capacity: Standard 64-point DI / 32-point DO (24V DC)

Communication Interface: Yaskawa Special CNC Bus (Connected to Main CPU Board)

Status Indicators: POWER, RUN, ALM, I/O Status LED

Operating Voltage: 24V DC ±10%

Power Consumption: Approximately 10W

Size: Standard Long Card (Approximately 230mm × 160mm)

Installation: Yasnac Control Cabinet Standard Slot 

2. Functional Features

Independent PLC operation: Does not occupy the main CPU resources, with fast logical response (ms level)

M/S/T code execution: Directly parses CNC auxiliary function instructions

Real-time I/O refresh: Input filtering, output short-circuit protection

Fault diagnosis: I/O short circuit, communication anomaly, logic error alarms

Battery backup: User program, parameters, counters are kept powered off during power failure (≥5 years)

Compatibility: Directly replace A/B versions, DF7000066/67 series

IV. Applicable Systems and Equipment

Standard Compatibility:

Yaskawa Yasnac 2000 series CNC controllers

Mori Seiki (Mori Seiki) SL4, SL6, etc. CNC lathes

Compatible with Yaskawa Σ-II / Σ-III servo systems

Inapplicable:

XRC / DX100 / DX200 robot controllers

i80 / M-X / MP series motion controllers

New YRC1000 robot system

V. Relationship with Main CPU Board

Cooperative Work:

Main CPU (e.g. DF9303053-B1): Motion control, interpolation, axis closed-loop

D-GSC01B: PLC logic, machine I/O, auxiliary functions, safety interlock

Typical Configuration:

Yasnac 2000 system = Main CPU board + D-GSC01B sequential board + servo axis board

VI. Spare Parts Replacement

Direct Compatibility:

JANCD-GSC01A (A version)

DF7000066 (Rev.B)

DF7000067 (Rev.A)

Maintenance Tips:

Common Faults: I/O chip damage, communication interface failure, battery failure

Maintenance: Chip-level repair, replacement of the entire board

VII. Summary

D-GSC01B (JANCD-GSC01B) is the core PLC sequential control board of the old Yaskawa Yasnac 2000 CNC system, specifically used for the logic, I/O and auxiliary function control of CNC machines. It is a key component for maintenance of old machines and spare parts replacement.