Introduction
1
1.1 About SINUMERIK
From simple, standardized CNC machines to premium modular machine designs – the
SINUMERIK CNCs oer the right solution for all machine concepts. Whether for individual parts
or mass production, simple or complex workpieces – SINUMERIK is the highly dynamic
automation solution, integrated for all areas of production. From prototype construction and
tool design to mold making, all the way to large-scale series production.
Visit our website for more information SINUMERIK (
https://www.siemens.com/sinumerik).
1.2 About this documentation
Validity
This Equipment Manual addresses the HT 8 handheld terminal. This documentation is valid for
the SINUMERIK 840D sl system.
Target group
This Equipment Manual addresses planners, installers and conguration engineers in the eld of
automation technology. The Equipment Manual enables the target group to install, assemble,
test, and operate the device professionally and safely.
Structure
The documentation provides information about the components and functions of the HT 8
handheld terminal.
• The chapter "Description" contains general information about the device, such as
appearance, features and interfaces.
• The chapter "Connecting" describes the pin assignment and the connection of the interfaces,
such as the connection of the HT8 to the SIMATIC connection box and to the Basic PN
connection module.
• The chapter "Commissioning" contains information on selected function settings and
troubleshooting.
• The chapter "Technical specications" lists the technical specications of the HT 8 and of the
connection module. It also contains information on the relevant standards and approvals.
Handheld Terminal HT 8
Equipment Manual, 02/2024, A5E52918633B AA 7
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