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L4400 User’s Guide vii
Using Sequences 89
Defining a Sequence 90
Querying the Sequence Definition 93
Executing a Sequence 93
Executing a Sequence on an Alarm Condition 94
Deleting Sequences 95
Reading the List of Stored Sequences 95
Instrument State Storage 96
Error Conditions 97
Relay Cycle Count 98
Calibration Overview 98
4 L4421A 40-Channel Armature Multiplexer
Low Frequency Multiplexer Switch Instrument 102
L4421A Measurement Functions 102
L4421A SCPI Command Summary 103
L4421A Example Program Segments 105
L4421A 40-Channel Armature Multiplexer Hardware Description 106
L4421A Simplified Schematic 108
L4421A D-Sub Connectors 109
34921T Terminal Block 110
5 L4433A Dual/Quad 4x8 Reed Matrix
Matrix Switch Instrument 114
L4433A SCPI Command Summary 115
L4433A Example Program Segments 116
Linking Multiple L4433A Instruments 118
L4433A Dual/Quad 4x8 Reed Matrix Hardware Description 120
L4433A Simplified Schematic for Two-Wire Mode 122
L4433A D-Sub Connectors for Two-Wire Mode 123
34933T-001 Terminal Block for Two-Wire Mode 124
L4433A Simplified Schematic for One-Wire Mode 126
L4433A D-Sub Connectors for One-Wire Mode 127
34933T-002 Terminal Block for One-Wire Mode 128