8 Appendix
54
A.1.2 Basic parameters
Note: The total frequency of high-speed input is limited to 60K.
When the expansion card is built-in, the functions of the expansion card are as follows:
A total of three terminals are
available, supporting 2-
channel temperature
detection and PT100
and TC detection, which are
switched over via soft
component.
A.2 Buttons
In addition to the LCD window on the front of the H0U, there are 25 membrane switch buttons,
which have good touch feel, long service life, and safety and reliability. In addition to basic
functions, all 25 buttons can be set as special function buttons to directly complete functions
such as page jump and switch value setting.
All 25 buttons can be defined by users as specific functions. Such as Bit set, Bit reset, screen
jump, etc. If it is not defined as a special function, only basic functions can be performed. Basic
functions include resetting the initial page and jumping from the previous page to the next page.