US Dollar ($)
US Dollar ($)
Euro (€)
GB Pound (£)
Canadian Dollar ($)
Australian Dollar (AU$)
My Account
Log In
Register
My Account
Shopping Cart
Home
all products
Contact Us
News
My Account
Log In
0 item(s)
Categories
Customized area
FPGA /CPLD Development Kits
+
others
Development Boards
Downloader
New product area
Other
RS485 DO
Power modules
+
Others
UPS Modules
Buck power modules
Battery Charge Board
Solar Charger modules
Boost modules
Driver Board
Boost & Buck Dual Power Modules
Analog IO Module
Voltage Signal Detection Module
UART 485/232/TTL
+
RS485 Modues & relays
+
Wireless RS485/RS232 series 1
Current Voltage ADC Collector
RS485 Relays
Others
Digital Collection Module
Pressure Weight Sensor
Temperature and Humidity Transmitter Detection Sensor
RS232 Modues & relays
USB programmer
others
TTL232
Expansion Board
Others
Bistable Self-locking Electronic Switch
Signal Generator
+
series 1
DTMF Relay
Wireless Antenna
Adapter Modules
Bluetooth relay
Wiress RF FSK Zigbee ASK
+
ASK Modules
2.4G Modules
FSK Series 1
Wireless RFID
Remote controller kits
+
Fixed Code kits
Rolling code kits
AM FM
Wireless IR
Connector Wire
Motor Driver board
Arduino kits
IO Isolation Protection Board
Timer delay relay
top saler
PDMRA01 DC12V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$2.08
PDMRA01 DC24V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$2.08
PDMRB02 DC12V 2CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$4.42
PDMRB02 DC24V 2CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$4.42
23IOA08 8 CH NPN Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
$9.80
23IOA08 8 CH PNP Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
$9.80
New Products [more]
DD24CRTB 2S 2A Type-c Multi-cell 8.4V 12.6 16.8 21V 25.2V Step-up Boost Charger Module for 7.4V 11.1V 14.8V 18.5V 22.2V 18650 Battery Pack
$2.78
DD4012SA mini DC-DC Converter Buck Voltage Regulator IN DC 13.5-40V OUT 12V replace AMS1117 7805 lm2596 DD4012SA
$1.38
DD24CRTB 2S 3A 2-6S Type-c Multi-cell 8.4V 12.6 16.8 21V 25.2V Step-up Boost Charger Module for 7.4V 11.1V 14.8V 18.5V 22.2V 18650 Battery Pack
$2.78
DD4012SA mini DC-DC Converter Buck Voltage Regulator IN DC 13.5-40V OUT 12V replace AMS1117 7805 lm2596 DD4012SA
$1.38
DD4012SA mini DC-DC Converter Buck Voltage Regulator IN DC 10.5-40V OUT 9V replace AMS1117 7805 lm2596 DD4012SA
$1.38
DD4012SA mini DC-DC Converter Buck Voltage Regulator IN DC 10.5-40V OUT 9V replace AMS1117 7805 lm2596 DD4012SA
$1.38
Home
IO Isolation Protection Board
IO Isolation Protection Board
Popular
Price
Price
Bestsellers
New
Displaying
1
to
40
(of
222
products)
1
2
3
4
5
...
[Next »]
CAROB08 PNP 24V 8DI-8DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$21.49
AMVOL08 8 Channel Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote IO Expansion Board
$26.16
CAROB08 NPN 24V NPN 8DI-8DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$23.82
CAROA04 12V NPN 4DI-4DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$14.47
CAROC16 24V NPN 16DI-16DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$35.52
CAROB08 12V PNP 8DI-8DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$23.84
24DIB32 32CH DI NPN Digital Switch PLC IO Expansion Board 3000VDC Optical isolation Input RS485 Modbus RTU Module
$21.49
CAROA04 24V NPN 4DI-4DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$15.64
OP71A04 Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
$1.62
OPMSB08 NPN Input 12-24V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$7.69
N4D3E16 DC 9V 12V 24V 16DI-16DO RS485 Modbus RTU Remote IO Board N4D3E16 Switch Input Output Module for Touch Panel PLC Relay LED
$13.31
OPMSA04 NPN Input 3.3-5V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$4.65
OPMSB08 PNP Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$6.52
CAROB08 12V NPN 8DI-8DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$23.84
OPMSB08 NPN Input 12-24V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$6.52
OPMSA04 Input 3.3-5V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$4.65
10IOA02 12V 2CH Isolation Digital Switch 2DI-2DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
$7.46
OPMSA04 NPN Input 12-24V PNP Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$3.85
OP62A02 10M High-Frequency 3.3V 5V GPIO Logic Level Converter Board PWM Signal 5000Vrms Optical Isolation Module PNP NPN
$2.32
PDMRA01 DC24V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$2.08
OP71A04 3.3V 12V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
$1.62
OPMSB08 PNP Input 12-24V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$7.69
OPMSA04 NPN Input 12-24V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$4.65
OPMSA04 PNP Input 12-24V PNP Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$4.65
DN23E08 12V 8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor
$22.65
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
$1.62
PDMRA01 DC12V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$2.08
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
$1.62
10IOA01 12V 1CH Isolation Digital Switch 1DI-1DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
$6.29
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
$1.62
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
$1.62
OPMSA04 Input 12-24V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$3.85
OPMSB08 NPN Input 3.3-5V PNP Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$6.52
OPMSA04 PNP Input 3.3-5V PNP Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$3.85
OPMSB08 PNP Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$7.69
10IOA04 24V 4CH Isolation Digital Switch 4DI-4DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
$9.80
OPMSB08 NPN Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
$7.69
CAROB08 12V NPN 8DI-8DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$21.49
CAROB08 NPN 24V 8DI-8DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$21.49
CAROC16 12V NPN 16DI-16DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
$35.52
Displaying
1
to
40
(of
222
products)
1
2
3
4
5
...
[Next »]
