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Have to need an external 24V power module for dc/dc/rly models?

12/12/2017 5:46 PM	Rate (0)
zorgov Posts: 3 Rating: (0)	Thanks! Do we need external 24V power module for dc/dc/rly models? ------------------------------------------------------------------------------------------ Split from Meaning of tags AC/DC/RLY.
zorgov Posts: 3 Rating: (0)	Last edited by: Jen_Moderator at: 12/13/2017 8:07:45 AM New subject after splitting
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12/12/2017 6:12 PM	Rate (0)
MicTsc Gold Member Joined: 11/16/2012 Last visit: 10/1/2024 Posts: 307 Rating: (52)	Yes you need a 24V DC Power Supply.

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12/13/2017 8:49 AM	Rate (0)
zorgov Posts: 3 Rating: (0)	TIA Portal V13 does not offer 24V DC power supply for 1214C to mount on the rail.
zorgov Posts: 3 Rating: (0)
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12/13/2017 11:01 PM	Rate (0)
MicTsc Gold Member Joined: 11/16/2012 Last visit: 10/1/2024 Posts: 307 Rating: (52)	That‘s right and not necessary. There is no special power supply for S7 1200 but a power supply in S7 1200 design.

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12/14/2017 7:48 AM	Rate (0)
zorgov Posts: 3 Rating: (0)	Thanks for your answers, but I am confused. Do I need or not external 24V power supply for 1214c dc/dc/rly or I can connect it on 220V AC home power.
zorgov Posts: 3 Rating: (0)
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12/14/2017 8:17 AM	Rate (1)
santhosh sundaram Posts: 171 Rating: (44)	dc/dc/rly ---> (PLC power input type / Digital Input type / Digital output type) 1. Type of the power source to be provided for the PLC to power on. 2. Type of the current source that can be read by the digital inputs. 3. Output type of the digital outputs in the PLC. Here dc is 24V only. So you have to give an external source of 24V. House hold supply will damage the circuit for this model. Also there's a model in S7 1200 with a 240V power input type. Example for AC/DC/RLY type
santhosh sundaram Posts: 171 Rating: (44)
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