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Readhead input connection blanking plug for UCC2, UCC T3 and UCC T5

So that a controller can function without a readhead being connected, a blanking plug is required. This removes any signals coming from the readhead on that axis including and any errors signals.

15-way high-density ‘D' connector and pin confiruration

These are the pin numbers for a female 15-way high-density ‘D' connector

15-way D connector

These are the pin configurations for both RGH22 and RGH24 read heads using the 15-way high-density ‘D' connector.

Pin numberFunction
1External set up
20 V
4-Ref. mark
5-B signal
6-A signal
7+5 V supply
8+5 V supply sensing
90 V sensing
10Limit switch
12+Ref. mark
13+B signal
14+A signal
15Inner screen
ShellShell and screen

Blanking connector for unused readhead connections

These are the pins that need to be connected together on the blanking plug to allow the controller to function without having a readhead plugged in. The pins need to be shorted to each other as the diagram shows.

Blanking connector



  • 15-way high-density ‘D' connector - male


  • Wire cutters / strippers
  • Soldering iron and solder