ISO 11786:1995 PDF

Name: ISO 11786:1995 — Agricultural tractors and machinery — Tractor-mounted sensor interface — Specifications
SKU: ISO 11786:1995
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Agricultural tractors and machinery — Tractor-mounted sensor interface — Specifications

Название (английский):

ISO 11786:1995

Agricultural tractors and machinery — Tractor-mounted sensor interface — Specifications

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 18 мая 1995 г.
Издание:: ISO IS 11786 edition 1 version 1
ICS:: 65.060.99

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Описание (английский):

Specifies an electrical connector and its pin layout for mounting on an agricultural tractor with a nominal 12-volt battery supply for the purpose of providing an interface between tractor-mounted sensors and equipment requiring signals from those sensors. Provides therefore a short-term solution to date communication between a restricted set of tractor-mounted sensors and other systems on agricultural tractors and attached machinery, in anticipation of the availability of a standardized digital data bus system.

Abstract

Похожие стандарты

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Overview

ISO 11786:1995 is an international standard developed by ISO, specifying the electrical interface for tractor-mounted sensors in agricultural tractors. The standard defines the connector type and pin layout required for integrating sensors and transmitting critical signals to equipment and systems on agricultural machinery. Designed for tractors with a nominal 12-volt battery supply, ISO 11786 offers a practical solution for analog signal communication in the absence of a fully standardized digital data bus. This facilitates enhanced interoperability between tractors and implements, supporting efficient farming operations until widespread digital solutions become available.

Key Topics

Electrical Connector Specification: Establishes requirements for a seven-pin, female bulkhead connector designed to interface tractor-mounted sensors with control systems and monitoring equipment.

Pin Assignments: Details the function of each connector pin, including signals related to ground speed, power take-off (PTO) rotational speed, three-point linkage position, in-work/out-of-work status, power, and common ground.

Signal Types and Characteristics:

True and theoretical ground speed
Rear PTO rotational speed
Rear three-point implement linkage state and position

Compatibility and Safety: Ensures the connector is suitable for use with CMOS logic, offers robust durability with a minimum of 400 connect/disconnect cycles, and supports up to 5A current for instrumentation power.

Environmental Considerations: Recommends features such as moisture sealing, protective closures, and secure mounting for reliability in agricultural environments.

Applications

ISO 11786:1995 is widely applied in the following agricultural technology and machinery contexts:

Tractor Sensor Integration: Enables the installation of sensors that monitor operational parameters such as speed, position, and PTO status, providing real-time data for precise machinery control.

Equipment Interchangeability: Supports compatibility between diverse tractor brands and implements, allowing for standardized sensor connections and signal transmission.

Monitoring & Control Systems: Facilitates input to cab-mounted monitors, controllers, and actuators, enhancing operational accuracy and efficiency.

Retrofitting Older Machinery: Offers a standardized interface for lower specification tractors that do not support modern digital data bus systems, allowing them to interface with advanced monitoring equipment.

Short-Term Data Communication: Provides a temporary solution for analog or limited digital data transfer while the industry transitions towards comprehensive digital data bus adoption.

Related Standards

ISO 11786:1995 references and is aligned with several related standards to ensure consistency and compatibility across agricultural machinery:

ISO 11795: Specifies methods for measuring the rolling circumference of tractor drive wheel tyres, relevant for accurate ground speed calculations.

DIN 405-1 & DIN 405-2: Define technical requirements for knuckle thread profiles and tolerances in connectors.

JEDEC Standard 13B: Establishes criteria for CMOS device compatibility in signal transmission.

Organizations implementing ISO 11786 should consider integrating these related standards to maximize compatibility and performance across their agricultural equipment fleet.

Practical Value

Adopting ISO 11786:1995 delivers significant benefits for manufacturers, designers, and operators of agricultural tractors and implements:

Standardized Connectivity: Streamlines sensor and data integration, minimizing compatibility issues and simplifying equipment upgrades or replacements.

Improved Accuracy: Ensures reliable transmission of key signals, supporting the use of precision agriculture and automated control technologies.

Future-Proofing: Provides a practical transitional framework for data communication, allowing gradual alignment with future digital data bus standards currently under development by international organizations.

Implementing ISO 11786:1995 is essential for manufacturers and users seeking to enhance operational interoperability and efficiency in modern agricultural environments.

ISO 11786:1995 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Practical Value

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