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SECTION 5
How to Use the Host Link/NT Link
This Section describes in concrete terms how to use the Host link/NT link/C200H direct communication with the
NT20S-ST121-EV3/ST122-V1.
5-1
Overview of Direct Connection Operations
152
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5-1-1 Equipment and Settings Used in This Section
152
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5-1-2 Allocatable Bits and Words
152
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5-1-3 NT20S Status Control and Notification to PC
153
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5-1-4 Switching the Screen Display
157
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5-1-5 Notifying the Display Screen to the PC
(To Display the Number of Currently Displayed Screen)
160
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5-2
Memory Tables and Bar Graphs
163
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5-2-1 Displaying the Contents of Allocated Words of Memory Tables
167
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5-2-2 Changing Displayed Numerals or Character Strings
(Changing the Contents of Allocated Words ... Direct Specification)
169
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5-2-3 Changing Displayed Numerical Values or Character Strings
(Changing the Contents of Allocated Words ... Indirect Specification)
171
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5-2-4 Copying the Memory Table
174
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5-2-5 Upgrading Bar Graphs
(Changing the Contents of Allocated Words)
177
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5-3
Lamps, Touch Switches, Numeral Setting
178
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5-3-1 Allocation Bits and Display of Lamps
178
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5-3-2 Turning ON (lit) and OFF (unlit) the Lamps
(Changing the Contents of Allocated Bits)
179
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5-3-3 Allocated Bits, and Display, of Touch Switches
181
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5-3-4 Lit (Flashing) and Unlit Touch Switch Statuses
(Changing the Status of Allocated Bits)
183
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5-3-5 Notifying the Host that a Switch has been Pressed
(Determining Touch Switch Status)
183
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5-3-6 Notification of Numbers to the PC
188
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5-4
NT20S Status Control
191
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5-4-1 Controllable NT20S Functions
191
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5-4-2 How to Control NT20S Functions
194
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5-5
Notification of the Operating Status to the PC (Determining the NT20S Operating Status)
196
. .
5-5-1 Ascertainable NT20S Statuses (Notified Operating Statuses)
196
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5-5-2 Reading the NT20S Operating Statuses
197
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Содержание NT20S
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