Omron NT620S Operation Manual page 27

Communication Using the Direct Connection Function
1-4-3 Functions of the Allocated Bits and Words
Functions of Display Elements
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
- Memory tables
- Lamps and touch switches : Display instructions, confirmation of display
- System control
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
S Lamps
Allocation destination: Bit
NT620S/620C
Lamp #1 (Bit 000100)
Lit
Unlit
Lamp #2 (Bit 000101)
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
: Display of designated screens, confirmation
of screen numbers, etc.
: Writing to a memory table, copying from a
memory table to another memory table, etc.
status, etc.
: Buzzer ON/OFF, ON/OFF of backlight or EL
display, and other NT620S/620C status
PC
Switch 1: ON (Bit 000100)
Switch 2: OFF (Bit 000101)
Section 1-4
13