8ContentsPreface ............................................................................................................... 2Cautions in Handling ........................................................................................... 3How to Read this Document ............................................................................... 61 Preparation of Command Control ………………………………… 111-1 Operation by External Devices ................................................................... 121-1-1 Operation method using external control device ........................................ 121-1-2 Operation procedure with external control ................................................. 131-1-3 Settings before external control ................................................................. 141-1-4 Remote mode settings ............................................................................... 171-2 Serial Communication Interfaces ................................................................ 181-3 RS-232C ..................................................................................................... 191-3-1 Interface specifications and connection .................................................... 191-3-2 Communication settings (LP-400/V compatible mode) ............................. 211-4 Ethernet ...................................................................................................... 221-4-1 Port specifications and connection............................................................ 221-4-2 Communication settings ............................................................................ 231-4-3 Connecting to external control devices and its setting sample ................. 241-5 Checking the communication commands ................................................... 252 Communication Control Basics …………………………………… 262-1 Communication Data Types ........................................................................ 272-1-1 Request data .............................................................................................. 272-1-2 Response data ........................................................................................... 272-2 Communication Sequence .......................................................................... 282-3 Communication Data Format ...................................................................... 312-3-1 Basic data format....................................................................................... 312-3-2 Request data ............................................................................................. 322-3-3 Response data .......................................................................................... 332-3-4 Character input method ............................................................................. 362-3-5 Character data input method ..................................................................... 372-4 Command Reception Condition .................................................................. 422-4-1 Commands requiring pre-set ..................................................................... 422-4-2 Command reception permission ............................................................... 422-4-3 Commands acceptable only with the shutter closed ................................. 432-4-4 Commands acceptable during alarm/warning occurrence ........................ 432-5 Communication Check................................................................................ 442-6 Control Sample ........................................................................................... 45ME-LP-GS-SR-COMP-3