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Diagnostics/troubleshooting
7.5 Device replacement
7.5
Device replacement
Hazardous Voltage.
Can Cause Death, Serious Injury, or Property Damage.
Before starting work, therefore, disconnect the system and devices from the power supply.
Note
When replacing a device, you do not need to re-wire it. The terminal blocks can be
disconnected from the defective device and then connected to the new device.
Replace device
1. Disconnect the defective device.
See also Chapter "Disconnecting (Page 36)".
2. De-install the defective device.
See also Chapter "Disassembling the device (Page 31)".
3. Install the new device.
See also Chapter "Mounting the device on a DIN rail (Page 29)" or Chapter "Mounting the
device on a level surface (Page 30)".
4. Connect the device.
See also Chapter "Connecting terminal blocks (Page 34)".
The device powers up after the supply voltage is applied.
See also "Power-up (Page 16)".
60
WARNING
3TK2810-1 safety-related speed monitor
System Manual, 01/2011, 926246402000 DS 02
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