Sgd7s-120a00a and sgdv-120a01a002000 of the same size

Yaskawa servo model SGD7S-120A three 200 Volt input. LED display is not bright. Where is the short connection?.
120A three 200 Volt input .hiphotos.hiphotos。～<\/p><p><a href=\x22http:\/\/h.com\/zhidao\/wh%3D600%2C800\/sign=a596eeedb112c8fcb4a6fecbcc33be7d\/4ec2d5628535e5dd300c39127ec6a7efcf1b62df

Yaskawa servo driver 4KW SGDV-120A01A fault No. 410 is what mean

Hello, I use S7-1200 SGDV-1R9D01A to control servo motor reversing, rotation instruction is always in one direction, is this what reason? How to adjust?
Is not required on a 2K ohm resistance: SGDV-1R6A01B<br \/> using the pulse plus direction position control mode of <br type \/> position control set several models we tested: SGMJV-02ADE6

Where to find a whole gene structure for a virus, including the functions of these genes, will be SGDV-120D01A in detail.