Omron V720 Series Operation Manual page 21

ID Controller
No. Name
1 Rotary switches
2 DIP switches
3 Indicators
RUN Green
COMM Green
NORM Green
ERR Red
4 Cover
5 Antenna Port
6 RS-232C port (V720-
CD1D)
RS-485 port (V720-
CD2D)
7 Power supply terminals Connecting to power supply
24 VDC+
24 VDC-
GR
8 External Input
Terminals
9 RESET terminals
RST
COM
Refer to all sections from Section 3 onwards for the functions of the
Controller in detail. Refer to Section 4 Setting, Mounting and Connection
Methods for the settings and connections of the Controller.
Function
Used for node
number settings
(SW1)
Used for mode
settings
The following indicators are available.
RUN indicator
Communications
indicator
Normal indicator
Error indicator
Protection of SW 1
through SW4
Connecting to the
Antenna
Connecting to host
devices
Connecting to power
supply
Connecting to
ground
User input signal
Connecting to RESET signal
RESET signal
COMMON signal
Note 1. Lights once when command processing is not performed properly.
2. Remains lit or continues flashing when commands do not operate
properly due to CPU error, memory error, or Antenna disconnection.
The node number is used to identify each Controller when a single
host computer is connected to a maximum of 10 Controllers.
Various settings are possible (e.g., Tag baud rate, offline read test
mode, BCC, baud rate, data length, parity, stop bit length,
communications mode, and timeout settings).
Turns ON when the Controller is in normal operation.
Turns ON when the Controller is in communications with the Tag.
Turns ON and OFF once when the communications finish with no
error.
Turned ON and OFF once if a communications error results.
Turned ON if a system error results.
Open the cover only when necessary.
A single Antenna can be connected through the V700-A4□
Antenna Cable (sold separately).
The following Antennas are available.
· V720-H01-E (standard antenna, 250 x 200 mm in size)
Personal computers and PLCs can be connected over RS-232C.
Personal computers and PLCs can be connected over RS-485.
Connect 24 VDC.
Connect 0 V.
Ground this terminal at a resistance of less than 100 W.
Status can be read using a command.
These terminals are used together in order to use external RESET
input.
Section 2-1
Description
2-3