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BM 230V and DM8 24V

1/11/2018 2:02 PM	Rate (0)
carlosovo Advanced Member Joined: 1/16/2013 Last visit: 6/7/2022 Posts: 47 Rating: (0)	Hello, Can be BM Logo! 0BA7 with power supply 230AC expanded by DM8 24R? I know each needs different power supply BUT will be communicate together without damage? Thanks for answer Carlos
	Last edited by: carlosovo at: 1/11/2018 2:06:29 PM
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1/11/2018 2:39 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 11/4/2024 Posts: 34135 Rating: (4254)	You can not connect a 24VDC digital expansion module directly to a 230VAC base module or a 230VAC digital expansion module. The bus is not isolated. An analog expansion module must be interposed, because the bus is electrically isolated. Example: 230VAC base module -> DM16 230V AC -> AM2AQ -> DM16 24VDC

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This contribution was helpful to 1 thankful Users carlosovo

1/12/2018 7:59 AM	Rate (0)
carlosovo Advanced Member Joined: 1/16/2013 Last visit: 6/7/2022 Posts: 47 Rating: (0)	It mean that AM2AQ has bus electrically isolated but DM8 or DM16 no. Thank you for explanation. Interesting!! Carlos

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