MITSUBISHI Main base unit A178B-S1 MITSUBISHI Main base unit A178B MITSUBISHI Main base unit A175B MITSUBISHI CPU A173UHCPU-S1 MITSUBISHI CPU A173UHCPUN MITSUBISHI CPU A173UHCPU MITSUBISHI CPU A172SHCPUN MITSUBISHI CPU A172SHCPU MITSUBISHI Sync pulse encoder interface unit A172SENC MITSUBISHI Main base unit A172B MITSUBISHI CPU A171SHCPUN MITSUBISHI CPU A171SHCPU MITSUBISHI CPU A171SCPU-S3 MITSUBISHI CPU A171SCPU