K523 Discrete IO Expansion

The PLC-K523 Discrete Input and Output Expansion Modules are offered in Transistor or Relay outputs and sinking or sourcing inputs. These units come with 4 inputs and 4 outputs or 8 inputs and 8 outputs. These units are ideal to expand beyond the onboard inputs and outputs of the PLC-K5 CPUs, which can handle up to 136 I/O points with a maximum of 6 expansion modules. The inputs are rated for 3.5mA and can be configured for either sourcing or sinking. The transistor outputs are rated for 500mA @ 24VDC and come only in a sourcing configuration. The relay outputs are rated for 2A @ 30VDC or 250VAC, and are great for switching on and off high load devices AC or DC devices, particularly AC or DC motors. The transistor output modules are opto-isolated for unit protection.




  • Up to 8 Sinking or Sourcing Inputs
  • Up to 8 Relay or Transitor Outputs
  • Inputs are Opto-Isolated
  • Transistor Outputs are Opto-Isolated
  • LED Display to Monitor Running Conditions
  • Easy Maintenance and Installation

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K523-08DR Discrete
Inputs & Outputs
4 4 Sinking or
Sourcing
Relay Click here for PDF Spec Sheet Click here to request a Quote. $53.00 view here
Quantity Discounts
1pc. $53.00
10pc. $50.97
25pc. $49.49
50pc. $46.34
100pc. $41.37
Contact Us for Quantities over 100
17 in Stock Add to Cart
K523-08DT Discrete
Inputs & Outputs
4 4 Sinking or
Sourcing
Transistor Click here for PDF Spec Sheet Click here to request a Quote. $62.00 view here
Quantity Discounts
1pc. $62.00
10pc. $59.99
25pc. $58.25
50pc. $53.09
100pc. $49.76
Contact Us for Quantities over 100
12 in Stock Add to Cart
K523-16DR Discrete
Inputs & Outputs
8 8 Sinking or
Sourcing
Relay Click here for PDF Spec Sheet Click here to request a Quote. $71.00 view here
Quantity Discounts
1pc. $71.00
10pc. $68.05
25pc. $66.07
50pc. $60.17
100pc. $56.38
Contact Us for Quantities over 100
8 in Stock Add to Cart
K523-16DT Expansion Module,
Discrete I/O
8 8 Sinking or
Sourcing
Transistor Click here for PDF Spec Sheet Click here to request a Quote. $76.00 view here
Quantity Discounts
1pc. $76.00
10pc. $73.18
25pc. $71.06
50pc. $65.22
100pc. $59.43
Contact Us for Quantities over 100
10 in Stock Add to Cart

IMPORTANT NOTE: When stock status reads "contact us," the lead time could range from 6 to 16 weeks, model dependent. Please contact the factory for more details.

  • 08DR Dimensions
  • 08DR Wiring
  • 16DR Dimensions
  • 16DR Wiring
  • 08DT Dimensions
  • 08DT Wiring
  • 16DT Dimensions
  • 16DT Wiring