Omron NT620C, Operation Manual

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1-4 Section Communication Using the Direct Connection Function
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1-4-3 Functions of the Allocated Bits and Words
Elements displayed on the NT620S/620C and the NT620S/620C status can be
allocated to the bits and words of the PC. By changing the contents of the bits
and words, the NT620S/620C can be controlled by the PC. It is also possible to
send data to the PC by pressing the touch switches on the NT620S/620C.
S
Controlling the NT620S/620C by a PC
The following NT620S/620C functions can be controlled by a PC.
- Screens : Display of designated screens, confirmation
of screen numbers, etc.
- Memory tables : Writing to a memory table, copying from a
memory table to another memory table, etc.
- Lamps and touch switches : Display instructions, confirmation of display
status, etc.
- System control : Buzzer ON/OFF, ON/OFF of backlight or EL
display, and other NT620S/620C status
S
Notifying from the NT620S/620C to a PC
Data in the NT620S/620C is sent to a PC when a touch switch is pressed. The
following types of data are sent to a PC.
- NT620S/620C status
- Touch switch status
- Numeric values and character-strings input with numeral/character-string
settings by using touch switches.
- Changes in a memory table after copying between memory tables
Functions of Display Elements
S
Lamps
Allocation destination: Bit
Lamp #1 (Bit 000100)
Lamp #2 (Bit 000101)
Switch 1: ON (Bit 000100)
Switch 2: OFF (Bit 000101)
NT620S/620C PC
Lit
Unlit
PC’s bit status is displayed by the “Lamp” on the NT620S/620C.
The lamp comes on (flashes) when the PC’s bit status is ON (1), and goes off
when it is OFF (0).
For image and library data, the displayed image or library item can be switched
in accordance with the ON (1) or OFF (0) status of a PC bit (lamp bit).
S
Touch switches