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Order No: UN 122-1BF22-0XA0,  ● 8 digital input,24V DC        ● Transistor output, opto-couplers isolation,    ● Strong anti-interference performance, stable  

Order No: UN 121-1BH22-0XA0,  ● 16 digital input,24V DC      ● opto-couplers isolation,    ● Strong anti-interference performance, stable  

Order No: UN 121-1BF22-0XA0,  ● 8 digital input,24V DC● Opto-couplers isolation,    ● Strong anti-interference performance, stable  

Part No.UN 124-1BB23-0XB0  ●High cost-effective,    ●14 Digital Input, 10 Digital Output, expanding 3 modules,  ● Relay Output,  ●Apply FLASH's long-time data-holding on power-off, no need of battery, can save data for 10 years,  ●Unique AES iterative encrytion algorithm, which protects clients' intellectual property,  ●Communication ports: one RS485, supports PPI protocol or as free port.  

Part No.UN 124-2BB23-0XB0  ● High cost-effective,  ●14 Digital Input, 10 Digital Output, expanding 3 modules,  ●Relay Output,  ●Apply FLASH's long-time data-holding on power-off, no need of battery, can save data for 10 years,  ●Unique AES iterative encrytion algorithm, which protects clients' intellectual property,  ●Communication ports: two RS485, both support PPI protocol.  

Product Descriptions ：● Order Number: UN 124-2DD23-0XB0  ● High cost-effective   ● 12 digital inputs, 8 digital outputs with 4 expansion modules,  ●  24V power supply; Relay outputs,  ●  Same CPU speed with S7-200 CPU,  ●  Data can be stored up to 10 years with FLASH long-time holding when power down ,  ●  AES iterative cryptographic algorithm is used to protect user Intellectual property.