西门子insight opc问题...

现原西门子insight系统中加入一些S7-200PLC，想通过opc进入insight软件中，需要从西门子楼宇科技买那个软件授权？订货号多少？价格大家知道吗？谢了

<table style="WIDTH: 308pt; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="410" border="0" x:str>
<colgroup>
<col style="WIDTH: 174pt; mso-width-source: userset; mso-width-alt: 7424" width="232">
<col style="WIDTH: 134pt; mso-width-source: userset; mso-width-alt: 5696" width="178">
<tbody>
<tr style="HEIGHT: 16.15pt; mso-height-source: userset" height="21">
<td class="xl25" style="WIDTH: 174pt; HEIGHT: 16.15pt" width="232" height="21">订货号：571-162（1000点<font class="font5">）</font></td>
<td class="xl26" style="BORDER-LEFT: medium="medium"  none; WIDTH: 134pt" width="178"></td></tr></tbody></table>
<table style="WIDTH: 308pt; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="410" border="0" x:str>
<colgroup>
<col style="WIDTH: 174pt; mso-width-source: userset; mso-width-alt: 7424" width="232">
<col style="WIDTH: 134pt; mso-width-source: userset; mso-width-alt: 5696" width="178">
<tbody>
<tr style="HEIGHT: 16.15pt; mso-height-source: userset" height="21">
<td class="xl25" style="WIDTH: 174pt; HEIGHT: 16.15pt" width="232" height="21">订货号：571-163（5000点<font class="font5">）</font></td></tr></tbody></table>价格得咨询相关供应商。