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Multi Master 0-10V bus?

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cupoftea

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Hi,
Is the 0-10V signalling system always done as "Master-Slave(s)" or Master - Master?
How much current does the Master have to sink or source, in the worst case?
 
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which devices are you trying to connect?

in a VFD, the 0-10V can only be connected to a single voltage source,
a powerflex40 can source up to 15mA on its 10VDC source, but it only requires about 1mA on its input, so ideally it can source up to 15 drives from a single source (but every input has a 100kOhm Impedance input, that can distort the voltage if too many loads are given).
 
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