Omron NB10W-TW01B

1 NB Overview
1-8
NB-series Programmable Terminals Startup Guide Manual(V109)
z Serial Port COM2
• NB5Q/NB7W/NB10W-TWB
Serial port COM2 is a 9-pin D-type socket port. This port supports RS-232C/RS-485/RS-422A
communication function.
The pins are defined as follows:
z USB HOST
NB-TW01B is equipped with USB HOST port, which is USB A-type port. Through this port, USB
memory can be connected to perform uploading, downloading, project operation and storage of related
data. And its pins are defined as follows:
Precautions for Safe Use
When connecting the equipment with the USB HOST connector, make sure the supply
equipment's current capacity is below 150mA before using it. The DC+5V voltage output of the
NB Unit is +5V±5%, and the maximum current is 150mA.
z USB SLAVE
USB SLAVE port is USB B-type port, which can connect the USB port on PC side to perform the
uploading, downloading and debugging of the programs for the product. And its pins are defined as
follows:
Pins Signals I/O
Functions
RS-232C RS-485 RS-422A
1 SDB+ I/O - - Sending data(+)
2 SD O Sending data - -
3 RD I Receiving data - -
4 Terminal R1 - - Terminal resistor 1
5 Terminal R2 - - Terminal resistor 2
6 RDB+ I/O - Send/Receive
data(+)
Receiving
data(+)
7 SDA- I/O - - Sending data(-)
8 RDA- I/O - Send/Receive
data(-)
Receiving
data(-)
9 SG - Signal ground
1 2 3 4
Pins Signals Functions
1 Vbus USB +5V power supply output
(Max. current: 150mA)
2 D- Data -
3 D+ Data +
4 GND USB power supply ground
3
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2
Pins Signals Functions
1 Vbus USB +5V power supply output
2 D- Data -
3 D+ Data +
4 GND USB power supply ground