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SECTION 5
Using Host Link/NT Link
This section describes how the NT620S/620C can be used when using the Host link/NT link (1:1/1:N).
5-1
Outline of Host Link/NT Link Operation
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5-1-1
Equipment and Settings Used in This Chapter
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5-1-2
Allocatable Bits and Words
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5-1-3
NT620S/620C Status Control and Notification to PC
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5-1-4
Switching the Screen Display
(by Using the PT Status Control Area)
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5-1-5
Switching the Screen Display
(by Using the Allocated Bit of a Bit Memory Table)
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5-1-6
Notifying the Display Screen to the PC
(To Know the Number of Currently Displayed Screen)
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5-2
Memory Tables and Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2-1
Allocation Words and Display of the Memory Tables
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5-2-2
Changing Displayed Numerals or Character Strings
(Changing the Contents of Allocated Words....Direct Specification)
. . . . . . . . . .
5-2-3
Changing Displayed Numerals or Character-Strings (Changing the Contents of
Allocated Words ..... Indirect Specification)
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5-2-4
Copying the Memory Table
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5-2-5
Upgrading Graphs
(Changing the Contents of Allocated Words)
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5-3
Lamps and Touch Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3-1
Allocation Bits and Display of Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3-2
Turning ON (lit) and OFF (unlit) the Lamps
(Changing the Contents of Allocated Bits) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3-3
Allocated Bits, and Display, of Touch Switches . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3-4
Lit (Flashing) and Unlit Touch Switch Statuses
(Changing the Status of Allocated Bits)
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5-3-5
Notifying the PC that a Switch has been Pressed
(Determining Touch Switch Status)
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5-4
Numeral and Character-string Setting
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5-4-1
Notification of Numbers to the PC
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5-4-2
Notification of Character-string to the PC
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5-5
Alarm Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-5-1
Allocated Bits of Bit Memory Tables
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5-5-2
Displaying Alarm Lists (by Using Bit Memory Table Allocation)
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5-6
Clock Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-6-1
About the Clock Function
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5-6-2
Date and Time Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-6-3
Date and Time Setting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-6-4
Notification of the Date and Time to the PC
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5-7
NT620S/620C Status Control
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5-7-1
Controllable NT620S/620C Functions
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5-7-2
How to Control NT620S/620C Functions
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5-8
Notification of the Operating Status to the PC
(NT620S/620C Operating Status)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-8-1
Ascertainable NT620S/620C Statuses
(Notified Operating Statuses)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-8-2
Reading the NT620S/620C Operating Statuses . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of Contents for NT620C
Page 1: ...Cat No V033 E1 5 Programmable Terminals NT620S 620C OPERATION MANUAL...
Page 2: ...NT620S 620C Programmable Terminals Operation Manual Revised April 2001...
Page 3: ...iv...
Page 5: ...vi...
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