STP-iXA3306 Series Turbomolecular Pump
CONTENTS (CONTINUED)
Section Title Page
5 SERIAL COMMUNICATION PROTOCOL 79
5.1 Introduction 79
5.2 Connection and setting up 80
5.2.1 Signal connection 80
5.2.2 Connecting the RS485 82
5.2.3 Communication parameter setting 83
5.2.4 Input operation port setting 84
5.2.5 Serial communication timeout setting 85
5.2.6 Recommended items about communication cable installation 86
5.3 Protocol specifications 89
5.3.1 General description 89
5.3.2 Standard transmission frame 90
5.3.3 Control command
(in the RS232/RS485 single point connection) 91
5.3.4 Query command
(in the RS232/RS485 single point connection) 92
5.3.5 Transmission data format 93
5.3.6 Frame control (checksum) 94
5.3.7 Error control 94
5.3.8 Transmission frame in the RS485 multi-point connection 94
5.3.9 Control command in the RS485 multi-point connection 96
5.3.10 Query command in the RS485 multi-point connection 97
5.3.11 Broadcasting command in the RS485 multi-point connection 98
5.3.12 Application note 99
5.4 Command specifications 103
5.4.1 Command list 103
5.4.2 ReadMeas 104
5.4.3 Command 104
5.4.4 ReadFailMess 105
5.4.5 ReadModFonct 109
5.4.6 ReadVersion 111
5.4.7 ReadCounters 112
5.4.8 ReadSetPoint 113
5.4.9 ReadMotorTemp 113
5.4.10 ReadStatus 114
5.4.11 ReadEvents 115
5.4.12 SetSpeedSetPoint 116
5.4.13 ReadSpeedSetPoint 117
5.4.14 ReadModFonctWithWarning 118
5.4.15 ReadMeasValue 121
5.4.16 ReadOptionFunc 123
5.4.17 SetOptionFunc 126
5.4.18 ReadCondition 128
5.4.19 ReadEventsWithTime 130
5.4.20 SetOptions 134
5.4.20.1 Second speed option setting 134
5.4.20.2 Second speed selection 135
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