Dear Experts,

I need some clarification regarding the control of 2 servo motors from one pair of differential outputs on S7-1217C.Becaue i need one set of motors which will act opposite direction with respect to each other and all other variables will be same. 

What i am doing is, i configured the technology object of 1 axis and use 1st differential output Q0.0 for PTO and 2nd differential output Q0.1 for direction.Now i wired up two motors on the same outputs Q0.0 and Q0.1 and configure the parameters of one servo drive to act as in opposite direction to the other servo motor and its working fine. Why am i doing this because i have to operate 4 motors with one S7-1217C CPU and my drive only accept line driver input for Pulse and Sign. So if i use this configuration is there any damages happen to the CPU outputs or anyone can give any expert opinion on this matter.Because both servo is attached to one single output for PTO and one output for direction.

Thanks in advance.