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.

Note: The K523 series is LTSOH (Limited to Stock on Hand).




  • 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 Expansion Module,
Discrete I/O
4 4 Sinking or
Sourcing
Relay Click here for PDF Spec Sheet Click here to request a Quote. $66.00 view here
Quantity Discounts
1pc. $66.00
10pc. $64.39
25pc. $62.53
50pc. $59.37
100pc. $54.09
Contact Us for Quantities over 100
Add to Cart
K523-08DT Expansion Module,
Discrete I/O
4 4 Sinking or
Sourcing
Transistor Click here for PDF Spec Sheet Click here to request a Quote. $79.00 view here
Quantity Discounts
1pc. $79.00
10pc. $75.80
25pc. $73.61
50pc. $68.04
100pc. $64.86
Contact Us for Quantities over 100
Add to Cart
K523-16DR Expansion Module,
Discrete I/O
8 8 Sinking or
Sourcing
Relay Click here for PDF Spec Sheet Click here to request a Quote. $88.00 view here
Quantity Discounts
1pc. $88.00
10pc. $85.94
25pc. $83.45
50pc. $77.74
100pc. $73.83
Contact Us for Quantities over 100
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. $96.00 view here
Quantity Discounts
1pc. $96.00
10pc. $92.44
25pc. $89.76
50pc. $83.97
100pc. $77.88
Contact Us for Quantities over 100
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