Rather depends what load you intend to connect. If the load is 24V and you need 2 supplies in parallel to get supply the peak current, then that is, I hope, an obvious yes.

If they are supplying a 48v load then the 2 will be in series, so the 0V of one 'sits above' the 24V of the other. (and you may or may not ish to earth the top, bottom or middle of the stack... depends on how )

IF they are supplying 24Vindependant loads, then it really depends how those loads are organised, and what you want to happen if there is a fault that connects kit  on one supply to kit on the other. Decide that behaviour and your question is answered ;-)

The power supply does not know or care if you declare either of its output terminals to be grounded, floating or connected to something else, until a circuit is completed to the other terminal that causes current to flow - what you must not do is ground both sides .

Mike.

Rather depends what load you intend to connect. If the load is 24V and you need 2 supplies in parallel to get supply the peak current, then that is, I hope, an obvious yes.

If they are supplying a 48v load then the 2 will be in series, so the 0V of one 'sits above' the 24V of the other. (and you may or may not ish to earth the top, bottom or middle of the stack... depends on how )

IF they are supplying 24Vindependant loads, then it really depends how those loads are organised, and what you want to happen if there is a fault that connects kit  on one supply to kit on the other. Decide that behaviour and your question is answered ;-)

The power supply does not know or care if you declare either of its output terminals to be grounded, floating or connected to something else, until a circuit is completed to the other terminal that causes current to flow - what you must not do is ground both sides .

Mike.