8CH DC12-24V Ethernet Network RJ45 to 8 Port RS485 HUB Converter for UDP TCP Mod
S$ 55.59 to S$ 59.30
Serial port Relay
12ch Digital IO UART RS485 Relay Module Modbus RTU DIN35 C45 Rail Box PLC PTZ
S$ 33.83 to S$ 41.64
8 Port RS485 Hub Industrial Grade 485 Bus Repeater Serial Port Signal Amplifier
S$ 28.50
DC 12V 24V16DO RS485 Isolated communication Switch Digital Output MODBUS RTU
S$ 40.71
1 PCS 16CH RS485 Relay Modbus RTU Function Module C45 Rail Rail Box
S$ 33.57 to S$ 41.38
32Ch 20A High Current Ethernet/ RJ45 LAN WAN Network Port TCP/IP Modbus Slave
S$ 176.65 to S$ 197.11
DC 12V 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
S$ 6.50 to S$ 25.91
8CH DC 12V RS232 Relay Module Serial port Remote Control Switch
S$ 27.69 to S$ 33.26
DC 12V DB9 Female/Male RS232 UART Switch Board COM Serial port Relay Module PLC
S$ 6.48
RS485 Modbus RTU TCP to Ethernet Network UDP TCP Client Server MQTT Converter
S$ 18.20 to S$ 20.80
1 PCS 8RO Relay output module / RS485 MODBUS RTU communication
S$ 48.14
15ch RS485 RS232 Modbus RTU Relay PLC DO Board Serial Port Switch Controller
S$ 51.93 to S$ 54.53
mini DC 12V RS485 Delay Relay Module Modbus-Rtu Uart Switch Board for CCTV Cam
S$ 6.50
8CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Module Board
S$ 24.50 to S$ 94.30
1 PCS DC 12V 4-20mA 0-5V 0-10V Voltage Signal Acquisition RS485 Modbus RTU Modul
S$ 5.16
1 PCS DC 5V 2Ch RS232 Relay Board Remote Control USB PC UART COM Serial Ports
S$ 12.99
1 PCS 2 in 1 DC 12V PC COM DB9 RS232 Serial Port Delay Relay UART Switch PLC
S$ 6.50
R413E16 16ch RS485 RS232(TTL) PLC Modbus Rtu Module IO Control Switch Board
S$ 6.31 to S$ 19.42
12V PC COM DB9 RS232 Serial Port Delay Relay ARM MCU UART Remote Control Switch
S$ 12.37
Modbus Rtu AT Command 8ch TTL232 UART IO Output Module for Relay PLC Breadboard
S$ 9.09 to S$ 9.10
4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching
S$ 18.21 to S$ 22.12
DC 12V 8 Digital Switch to RS485 Acquisition Board Modbus Rtu TTL IO PLC Module
S$ 9.27
1PCS 2 Channel Serial port Relay Module DC 12V PC Computer Remote Control Switc
S$ 12.43
DC 12V 8Ch RS485 Relay Modbus RTU 03 06 16 Function Code DIN Shell Switch Board
S$ 36.98
1 PCS 8 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch
S$ 20.82
4 PCS mini DC 12V RS485 Delay Relay Module Modbus-Rtu Uart Switch Board
S$ 37.17