Switch capacity digital input signal acquisition and conversion 485 photoelectric isolation IO expansion module RTU MODBUS | Электронные

Switch capacity digital input signal acquisition and conversion 485 photoelectric isolation IO expansion module RTU MODBUS | Электронные

Baby model:IO-XX-00

Digital signal input type, to accept photoelectric switch / mechanical switch contact input, the input signal with optocoupler isolation, to prevent the interference signal into the standard RS-485 interface MODBUS RTU communication protocol can be seamlessly connected PLC, Kingview, MCGS system, is the optimal choice of industrial process control equipment.

IO-12-00 technical parameters:

> working voltage: DC12V~DC24V(recommended DC12V)

> working current: 150mA

Switch input mode:The input point is short and connected to the common end efficiently (such as the I0 short access COM for the active input state)

> switch quantity input valid: no shorter than 30ms

Input terminal connection mode:

*12V - module working power supply, DC12V~DC24V

*GND - power supply

RS485 - *B signal line B

RS485 - *A signal line A

*IN0~INB - mechanical switching input channel 0~B (12 switch input channels)

*COM - mechanical switch input common terminal

IO-20-00 technical parameters:

Power supply voltage: DC24V(must and only)

> working current: 150mA

Switch input mode:The input point is short and connected to the common end efficiently (such as the IN0 short access VSS for the active input state)

> switch quantity input valid: no shorter than 30ms

1- mechanical switch input connection mode:

*24V - module working power supply, DC24V(only 24V power supply)

*GND - module working power supply ground

*RS485 - B signal line B

*RS485 - A signal line A

*IN0~IN19 - switch input channel 0~19 (20 switch input channels)

*VSS - switch input common terminal

*- VCOMswitch input 12V power supply side,Must be short connected with V12

*V12 - module 12V isolated power output,Must be short connected with VCOM

Supplementary explanation:Mechanical switching input mode, the input signal power is supplied by the internal output of the 12V module, so it is necessary to V12 and VCOM short, wiring diagram is as follows:

2- photoelectric switch quantity input connection mode:

*24V - module working power supply, DC24V(only 24V power supply)

*GND - module working power supply ground

*RS485 - B signal line B

*RS485 - A signal line A

*IN0~IN19 - switch input channel 0~19 (20 switch input channels)

*VSS - the negative electrode of the photoelectric switch

*VCOM - short connect with V12

*V12 - module 12V isolated power output, then the positive electrode of the photoelectric switch

Photoelectric switch signal output, respectively, and IN0~IN19 short, you can achieve the input signal measurement. The connection mode, 12V power supply by photoelectric switch module, which is in the access number of the photoelectric switch under the condition of less way, because the 12V power module output current load capacity is limited, so in the case of more access to the photoelectric switch, do not recommend this kind of connection, wiring diagram is as follows:

3- photoelectric switch quantity input connection mode:

*24V - module working power supply, DC24V(only 24V power supply)

*GND - module working power supply ground

*RS485 - B signal line B

*RS485 - A signal line A

*IN0~IN19 - switch input channel 0~19 (20 switch input channels)

*VSS - the negative electrode of the external 12V power supply and the negative electrode of the photoelectric switch

*VCOM - Positive electrode for external 12V power supplyAnd the positive electrode of the photoelectric switch

*V12 - vacant

Photoelectric switch signal output, respectively, and IN0~IN19 short, you can achieve the input signal measurement. The connection mode of power supply, 12V power supply module and switch input signal of the photoelectric switch is supplied by an external 12V power supply, the input for the photoelectric switch under the condition of the recommended wiring diagram as follows: