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Connect Safe Disable Input Contacts to Multiple Drives

To Use the Drive Internal Power Supply

Figure 1 shows an example of how to connect Safe Disable contacts.

From the terminals HC-SN of drive 1, supply the power for the Safe Disable function for the applicable drives. These conditions limit the number of units to connect:

  • Internal power supply capacity

  • Number of MFDIs used

  • Supply current to the external sensors

Figure 1. Connection Example to Use the Internal Power Supply

To Use 24 V External Power Supply

Figure 2 shows an example of how to connect Safe Disable contacts. These conditions limit the number of units to connect:

  • External power supply capacity

  • Number of MFDIs used

  • Supply current to the external sensors

Figure 2. Connection Example to Use 24 V External Power Supply