32CH DI-DO NPN PNP Optically Isolated Input 300MA Solid State Relay Output RS485 Modbus RTU PLC IO Expansion Board 23IOD32

32CH DI-DO NPN PNP Optically Isolated Input 300MA Solid State Relay Output RS485 Modbus RTU PLC IO Expansion Board 23IOD32
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sku: 1005007505307694
$28.55
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