Semiconductor devices - Part 19-1: Smart sensors - Control scheme of smart sensors

IEC 60747-19-1:2019(E) specifies the control scheme of a sensor which is a device or a module which achieves a sensing function, data processing function and data output function, by employing a digital processing unit and a means of bidirectional communication between the sensor and an external terminal module

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IEC 60747-19-1 ®
Edition 1.0 2019-11
Semiconductor devices –
Part 19-1: Smart sensors – Control scheme of smart sensors
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IEC 60747-19-1 ®
Edition 1.0 2019-11
Semiconductor devices –
Part 19-1: Smart sensors – Control scheme of smart sensors

ICS 31.080.99 ISBN 978-2-8322-7606-8

– 2 – IEC 60747-19-1:2019  IEC 2019
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Construction of smart sensor’s control scheme . 8
4.1 General . 8
4.2 Assignment of the smart sensor’s registers in the control scheme . 8
4.3 Operation procedure of control scheme . 9
4.4 Physical connection between smart sensor and terminal module. 11
4.5 Optional configuration . 12
4.6 Optional function . 14
Annex A (informative)  Practical example of smart sensor’s control scheme . 15
Annex B (informative) Smart sensor with multiple sensors – Practical example . 18

Figure 1 – Block diagram of hardware configuration regarding the smart sensor’s
control scheme from the terminal module in the smart sensing unit . 10
Figure 2 – Example of block diagram of connection lines between smart sensor and
terminal module . 12
Figure 3 – Example of block diagram of connection lines with optional interrupt input
and output lines between smart sensor and terminal module. 13
Figure A.1 – Block diagram of hardware configuration of smart accelerometer as an
example of smart sensors . 15
Figure B.1 – Block diagram of hardware configuration in the case of a smart sensor
with multiple sensors . 19
Figure B.2 – Block diagram of hardware configuration of a smart sensor with a
temperature sensor and a humidity sensor as an example of a smart sensor with
multiple sensors . 20

Table 1 – Assignment of the smart sensor’s registers in the smart sensor’s control
scheme . 11
Table 2 – Example of connection lines between smart sensor and terminal module . 12
Table 3 – Recommended optional configuration of connection lines between the smart
sensor and terminal module . 13
Table 4 – Recommended optional function of smart sensor’s control scheme . 14
Table A.1 – Practical example of assignment of smart sensor’s registers in smart
sensor’s control scheme . 16
Table B.1 – Practical example of assignment of registers of the smart sensor with a
temperature sensor and a humidity sensor . 21

Part 19-1: Smart sensors – Control scheme of smart sensors

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International Standard IEC 60747 has been prepared by subcommittee SC47E: Discrete
semiconductor devices, of IEC technical committee 47: Semiconductor devices.
The text of this International Standard is based on the following documents:
CDV Report on voting
47E/642/CDV 47E/668/RVC
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 60747 series, published under the general title Semiconductor
devices, can be found on the IEC website.

– 4 – IEC 60747-19-1:2019  IEC 2019
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• reconfirmed,
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• amended.
A bilingual version of this publication may be issued at a later date.

The development of smart sensors which integrate analog-to-digital conversion and digital
processing of the captured sensor signal(s) is in progress. A smart sensing unit, which
comprises a smart sensor; a terminal module, to control the smart sensor and perform
wireless communication; and a power supply for the smart sensor and the terminal module,
can send the output data of the smart sensor wirelessly to the outside. Here, the power supply
can be a plug-in power supply, a battery, an energy harvester, or their combination. A smart
sensing network where a large number of smart sensing units are located in manufacturing
factories, offices, and stores has been examined. With this network, environmental
monitoring, sensing of operational situations of manufacturing equipment and sensing of other
various events contribute to the realization of the following outcomes by analyzing the
collected sensing data. Namely, energy saving, improvement in factory productivity such as
operation rate, shortening of production lead time, preventive equipment maintenance, and
product quality improvement can be achieved.
However, considering the three components of the smart sensing unit, namely, the smart
sensor, terminal module, and power supply, standardization regarding control schemes to
connect the components to each other and regarding the indication of specifications of the
components has not been sufficiently established yet. This issue leads to the present situation,
where the development of each component in the smart sensing unit has not proceeded
The IEC 60747-19 series aims to address this issue. The IEC 60747-19 series comprises two
parts and its structure is currently conceived as follows:
Part 19-1: Smart sensors – Control scheme of smart sensors
Part 19-2 : Smart sensors – Indication of specifications of smart sensors and power supplies
to drive smart sensors
Part 19-1 specifies a control scheme of the smart sensor from the terminal module in the
smart sensing unit. Generally, the manufacturers of sensors have incorporated into the
sensors various parameters and conditions for sensing operations to fulfil various requests
and needs of the users. Therefore, it has been quite difficult for the users to understand how
to set the parameters and conditions adequately and master the use of sensors. This issue
has been a considerable obstacle in designing the smart sensing unit and smart sensing
system. The main objective of this part is to solve this obstacle for future expansion of the
smart sensors and smart sensing network systems.
Part 19-2 aims to provide guidelines to specify information that is required when the smart
sensing unit is newly designed. When the smart sensing unit is newly designed especially to

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