Installation and commissioning
4.2 Mounting and connecting up a TIM
TIM DNP3
System Manual, 06/2014, C79000-G8976-C253-03
71
Connecting the TIM to the power supply
Connecting up only with power off
Connecting the TIM module to a live power supply can damage the module. Connect the
module to the power supply only when the power supply is off.
The power for the device (24 V DC) must be generated as a safe extra low voltage. This
means it must be a SELV (Safety Extra Low Voltage) or PELV (Protective Extra Low
Voltage) according to DIN VDE 0100 Part 410 (IEC 60364-4-41).
To wire the power supply, use flexible cables with a cable cross-section of 0.25 ...0.75 mm
2
.
If you wire only one cable per connection, no wire-end ferrule is necessary.
To wire up the power supply module with a TIM, follow the steps below:
1. Open the front panels of the power supply unit and the TIM.
2. Connect the power supply cables from the power supply unit to the TIM: M and L+
3. Close the front panels.
Note
To avoid ground loops, do not connect the shielding of the TIM.
The following figure shows how to connect up the TIM 3V-IE DNP3 and the
TIM 4R-IE DNP3.
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