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With optocoupler 4 channel 4-channel relay modules relay control panel PLC relay 5V four way module
- Model #: ACFFF-168
- $13.75 –
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4-channel Mos Fet Plc Amplifier Board Driver Module Pwm 3-20v To 3.7-27v Dc 10a Optocoupler Isolation
- Model #: FPIV1RT2
- $11.99 –
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4-20MA Voltage Signal Acquisition RS485 Modbus RTU Module for PLC Current Transmitter Measuring Instruments-AB01
- Model #: bqai-218
- $14.40 –
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FOR EM232 4AO expansion module is for S7-200 PLC 4 output analog module 6ES7 232-0HD22-0XA8.
- Model #: 7853444977697
- $114.88 –
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DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch For Motor Garage
- Model #: Y21C-1057
- $21.82 –
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Relay Module for with Optocoupler Relay Output 1 2 4 6 8 Way, 5V 12V 1 2 4 6 8 Channel, In Stock
- Model #: WXXDO-17
- $11.26 –
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DB44 to 4×DB9 RS422 Serial Breakout Cable, PCI Card to Quad RS422/485 Adapter Wire
Limited time offer, ends 08/31
- Model #: C24W-X782
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DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch For Motor Garage
- Model #: Y21C-1286
- $21.82 –
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Modbus Rtu 4 Channel 12V Relay Module Switch Input / Output RS485 / TTL Communication interface relay 4 relay indicator Board
- Model #: CCOOC-0046220
- $20.49 –
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4-channel RS232 Serial Port Relay Control Board Home Control Switch DC9-30V Computer Connection Relay Module
- Model #: ub25ao-780
- $57.58 –
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DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch For Motor Garage
- Model #: OWXUEDO-1611
- $22.42 –
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8444950000 WAS5 CCC LP 0-20/0-20mA Isolation Signal Transmitter 0(4)-20mA/0(4)-20mA Simal Signal Single Channel Isolation Device
- Model #: CCOOC-0046850
- $389.55 –
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Link Depot POW-ADT-P4 4 Pins P4 To ATX Power Convertor
- Type: Adapter
- Color: Black / Yellow
- Connector A: 1x Molex LP4 male
- Connector B: 1x ATX 4pin male
- Model #: POW-ADT-P4
- $10.99 –
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16 Channel DC 12V RS485 Relay Module Modbus RTU PLC Controller Serial Port Switch for PLC PTZ Camera Motor LED
- Model #: HHYM-864
- $35.53 –
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48V POE injector Ethernet CCTV Power Adapter 0.5A 24W,POE pin4/5(+),7/8(-) Compatible with IEEE802.3af for IP camera IP Phones
- Model #: Y21C-616
- $15.59 –
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For Siemens 6ES7193-4CC30-0AA0 PLC Module in Box
- Model #: ccooc-0043040
- $47.82 –
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P4PE-X TE P4GE-V 845 integrated display desktop computer industrial control monitoring motherboard
- Model #: wclft610
- $178.48 –
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TA12-100 AC current transformer current sensor module 0-5A 3p/ 4p interface transmitte
- Model #: S39GDEHI-278
- $14.17 –
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FTDI USB to 4P 2.54mm Terminal Block 1.8 2.5 3.3v 5v TTL UART Logic Level Serial Converter Adapter
- Model #: ccooc-0042624
- $18.30 –
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For Siemens 6ES7193-4CD20-0AA0 PLC Module in Box
- Model #: ccooc-0043043
- $48.28 –
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POE Injector Ethernet DC12V 48V 15V 1A 12V 2A 24V 1A 24W CCTV Power Supply Adapter Switch for IP camera POE EU Wireless Bridge(12V 2A EU Plug)
- Model #: FF-AA-455
- $26.90 –
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PSR-SCP- 24UC/ESA2/4X1/1X2/B 2963802 Safety Relay
- Model #: LWW1Q-610
- $254.09 –
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Server Switch 1200W Switching Power Supply 100% Tested Before Shipment PDC1200S12-CE
- Model #: LWW1Q-495
- $236.64 –
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For Siemens 6ES7193-4CC30-0AA0 PLC Module in Box
Limited time offer, ends 08/08
- Model #: C75J*OYJ*G1*0706-810
- $46.98 –
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For Siemens 6ES7193-4CD20-0AA0 PLC Module in Box
Limited time offer, ends 08/08
- Model #: C75J*OYJ*G1*0706-798
- $47.44 –
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3X 8Ch Input/Output Digital Switch TTL Lvttl CMOS RS485 IO Control Module Modbus Rtu Board For PLC Relay, (No Pin)
- Model #: tpr1tpr-562
- $22.71 –
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PLC programmable controller 1N-20MR DC Relay module with Base Industrial Control Board Programmable Logic Controller
- Model #: cocoo-0016382
- $29.49 –
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- $19.09 –
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1Pcs 2-way relay module Relay expansion board with optocoupler protection in stock
- Model #: tpr1tpr-26
- $12.09 –
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PCA-6108E Rev.C2 19AK610850 Industrial control base board Industrial control computer equipment board
- Model #: TPR3TPR-892
- $203.80 –
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10A Relay 11 Pin Relay For Electrical Systems Remote Control Relay Silver Alloy Contacts Socket Installation Relay
Limited time offer, ends 08/09
- Model #: U1IO1Q-194
- $15.99 –
- More options from $13.32 - $15.99
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TTL UART 3.3V 5V Level Signal Serial Module FTDI USB Adapter PCBA Converter Board
- Model #: ccooc-0042681
- $18.70 –
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IDC40P to terminal IDC Male 2.54mm Screw-Free Terminal Block Breakout PLC Relay Terminals Adapter Connector 40pin
Limited time offer, ends 08/08
- Model #: C75J*OYJ*G1*0706-437
- $43.89 –
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10 PCS 2900299 Relay Module PLC-RPT- 24DC/21-2900299 For Phoenix
- Model #: LWW1Q-336
- $198.44 –
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1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module
- Model #: S39GDEHI-154
- $13.33 –
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TTL to RS485 Converter 3.3V/5.0V Hardware Automatic Control Converter Module For for AVR
- Model #: S39GDEHI-622
- $13.21 –
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