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Advantech
BB-485USB9F-4W
Serial Converter, USB 2.0 to RS-485 4-Wire DB9 Female Serial Connector, USB Cable Included
$106.00$106.00 -
Weintek USA
IR-ETN40R
Remote I/O Module, Built-in ETN Coupler, Support for Modbus TCP/IP Server and Ethernet/IP Adapter Protocols, 24 Digital Input Channels (4 High Speed), 16 Relay Output Channels, with Stop Output and Pulse Capture (Exclusive Features), Expand
$355.95$355.95 -
$85.00$85.00 -
Available Now! 
Available Now!Pepperl+Fuchs
70104877
EtherNet/IP IO-Link Master with 8 Inputs/Outputs, IO-Link Master (EIP/MOD), Sensor IO-Link Communication Blocks
$533.89$533.89 -
$224.50$224.50 -
Advantech
BB-232OPDR
Serial Repeater, RS-232, TB, Isolated, DIN Rail Mount, IP30, Power Suppply Not Included
$237.30$237.30 -
Advantech
BB-9PFLST
Serial Converter, RS-232 MODEM DB9 F to MM Fiber ST, Allows any Two Pieces of RS-232 Asynchronous Serial Equipment to Communicate Full-Duplex over Two Multi-Mode Fibers
$204.00$204.00 -
Available Now! 
$349.00$349.00 -
Available Now! 
Available Now!Advantech
BB-4WSD9TB
Serial Converter, RS-232 DB9 F to RS-422/485 Terminal Block, Port Power Ability
$95.00$95.00 -
Available Now! 
Available Now!Advantech
ADAM-6050-D1
18-Channel Isolated DI/O Module, 12-Channel Digital Input (Counter)/6-Channel Digital Output (Pulse Output), Protocols: MQTT(TLS), SNMP, Modbus TCP, RESTful API, ASCII, GCL to Perform Logic Control Rules
$246.00$246.00 -
Available Now! 
Available Now!Advantech
ADAM-6060-D1
6-Channel Relay/6-Channel DI IoT Modbus/SNMP/MQTT Ethernet Remote I/O, GCL, Built-in Web Server, Watchdog Timer
$265.00$265.00 -
Advantech
EKI-2705E-1GPI-AU
5FE Unmanaged Ind. PoE Switch W/T, 4FE+1GE Unmanaged Ind. PoE Switch W/T (Wide Temperature), 216 x 165 x 68mm LWH
$195.64$195.64
These devices connect machines, monitor devices and optimize operations.
An Ethernet switch directs data traffic between the devices connected to it. A gateway allows communication and data exchanges between different networks or protocols.
Modbus is a serial communications protocl that simplifies communication between devices.