V020-E3-2 Omron, V020-E3-2 Datasheet - Page 217

• Manufacturer Part Number: V020-E3-2
• Description: Publications, Books
• Manufacturer: Omron

Specifications of V020-E3-2

• Lead Free Status / RoHS Status: na

6-1
6-1-1
OPEN
PRINT #
LINE INPUT #
CLOSE
RS-232C Interface Unit Communications
RS-232C Communications
Communication Procedure
OPEN command
PRINT # command
LINE INPUT # command
CLOSE command
Host program
1, 2, 3...
This section describes the communication procedure when using an
NT20S-ST128 (RS-232C), and program flow using examples in BASIC.
The Host and NT20S communicate according to the following procedure.
After a circuit has been opened, it can be used until it is closed again.
Opens the RS-232C circuit. The Host communication conditions are also set.
Refer to (3-5-4) Setting RS-232C Communication Conditions.
Sends an instruction via the RS-232C circuit to the NT20S.
Receives a command from the NT20S. [LINE INPUT] is used when receiving input
delimited by commas (,) or double quotation marks (”).
Closes the RS-232C circuit.
Refer to the Host’s BASIC Manual for more details about the commands.
1. The RS-232C circuit must be opened (i.e., communication enabled) before
2. Commands are used to control the PT and to receive notification from the
3. Close the RS-232C circuit again after communication is complete.
communication can start.
NT20S.
Open circuit
Send instruction
Close circuit
RS-232C circuit
Open
status
Send instruction
Receive instruction
Send instruction
NT20S operation
Section 6-1
201