4X 8Ch Input/Output Digital Switch TTL Lvttl CMOS RS485 IO Control Module Modbus Rtu Board For PLC Relay, (No Pin)

4X 8Ch Input/Output Digital Switch TTL Lvttl CMOS RS485 IO Control Module Modbus Rtu Board For PLC Relay, (No Pin)
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sku: 1005008464548972
$11.20
Shipping from: China
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