Manual Correction Notice [ G9SP Series ]

The mistake of the description is found in the manual that our company issued. We apologize.

Name of manual

"G9SP Series Safety Controller Instructions Reference Manual"
< Publication in June, 2023 > < Manual number Z923-E1-04>

Page of publishing

Page 70 "3-5-7 Two-hand Control" General Description

Correction method

We will make a revision to add a warning.

Content of correction

Before	After
Content to be included in the General Description	Content to be included in the General Description
Content to be included in the General Description	Add a warning at the end of Chapter 3-5-7

Reference information

Notice of design change of Two-hand control function block in accordance with ISO13851.

Target Products

Safety Logic Devices - Controllers G9SP Series
< Refer to the "[ Details of applicable model]".>

Effective Date

Effective as of our production in May, 2025.

Reason for change

Due to a modification in the program for controlling the 2- hand switches.
* Any functions or specifications will not be changed due to the above reasons.

Change of products specification

It is not necessary to replace Products Specifications provided to customers.

Changes

Before the change	After the change
Behavior of the 2-hand control function block It does not satisfy the requirements of ISO13851 (Safety of machinery Two-hand control devices -- Principles for design and selection) 5.6 Reinitiation of the output signal and 5.7 Synchronous actuation.	Behavior of the 2-hand control function block It satisfies the requirements of ISO13851 (Safety of machinery Two-hand control devices -- Principles for design and selection) 5.6 Reinitiation of the output signal and 5.7 Synchronous actuation.

Example) Even if there is a time difference between pressing both switches of Pair 1 and Pair 2, it may reinitiate (Output Enable ON).	Example) If there is a time difference between pressing both switches of Pair 1 and Pair 2, it does not reinitiate.

Countermeasure

If customers use a 2-hand switch and need to satisfy the requirements of ISO13851, please replace it with a G9SP manufactured after March 2025 (Lot No. DD325).
However, this will not affect customers who do not use a 2-hand switch.

Details of applicable model

Models
G9SP-N10D
G9SP-N10S
G9SP-N20S
G9SP-N20S-932