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164
Standard Mode
Section 4-19
4.17
Image of the Mask Number
The mask number is a mask-specific code which the terminal writes to the controll-
er variable entered here.
The terminal writes the mask number of the currently displayed mask into this var-
iable whenever a new mask is activated. The variable is assigned in the variable
list. In this list, a word address of the controller must be assigned to the symbolic
name. The respective mask number can then be read from this address and be
processed further as required. A 16-bit variable must be reserved for the mask
number.
Also see the evaluation of the function keys and soft keys, etc.
4.18
Image of the Mode Selector Switch
In standard mode, the image of the mode selector switch (user mode switch) is
transmitted to the controller after the initialization phase is complete. The user has
the option of evaluating any unassigned DIP-switches in the controller. This allows
the user to call up specific programs in the controller or to create queries in a service
routine.
4.19
Terminal Clock
Every operating terminal is fitted with a real-time clock. The parameters of this
real-time clock can be set in the system parameters.
Once per poll cycle, the real-time clock stores the current time, date and day of the
week to the defined variable in the connected controller.
The connected controller itself can also transfer its current time, date and day of the
week to the terminal.
This allows the time and clock in the controller, if any, to be synchronized or pro-
vides the real-time if controllers are not fitted with a clock.
Formats and contents of the variables must be identical with those in chapter ‘Im-
age of Date and Time’. To cause the terminal to read this variable, the controller
needs to transfer the control code 7FF9
H
through the serial message channel.
Содержание NT15S
Страница 1: ...Cat No V056 E1 1 Programmable Terminal NT4S NT15S NT18S OPERATION MANUAL ...
Страница 2: ...ii ...
Страница 3: ...iii NT4S NT15S NT18S Programmable Terminal Operation Manual Produced March 1999 ...
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Страница 26: ...12 The Terminals of the NT Series Section 1 2 1 2 4 1 2 NT4S SF122B E 1 2 4 1 3 NT4S SF123B E ...
Страница 27: ...13 The Terminals of the NT Series Section 1 2 1 2 4 1 4 NT15S SF121B E 1 2 4 1 5 NT18S SF121B E ...
Страница 37: ...23 The Terminals of the NT Series Section 1 4 1 4 1 3 NT4S SF123B E 1 4 1 4 NT15S SF121B E ...
Страница 54: ...40 The Terminals of the NT Series Section 1 7 1 7 6 3 ASCII Character Set Table ...
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Страница 232: ...Authorized Distributor Cat No V056 E1 1 Note Specifications subject to change without notice Printed in the Netherlands ...