M’Ax Installation Guide
Issue Number: 4
Contents
Appendix A Signal Connectors 76
A.1 Cables and connectors 76
A.2 24V user supply 77
A.3 Digital inputs 77
A.4 Digital outputs 78
A.5 Functions of the terminals 78
Appendix B Diagnostics 84
B.1 Types of indications 84
B.2 Status indications 84
B.3 Status LEDs 84
B.4 Alarm indications 84
B.5 Trip codes 85
Appendix C Serial Communications 86
C.1 Sequence for editing parameters 86
C.2 Serial communications protocols and interfaces 86
C.3 EIA232 interface 86
C.4 EIA485 interface 86
C.5 Transmitting and receiving data 87
C.6 Message structure 88
C.7 Making new values take effect 89
C.8 Storing new parameter-values 90
C.9 Saving new parameter-values 90
C.10 Restoring the Drive to a default state 90
C.11 M’Ax-Soft 90
C.12 MODBUS RTU protocol 91
Appendix D Optimising the Dynamic
Performance 92
D.1 Speed-loop parameters 92
D.2 Adjusting the speed-loop gains 92
D.3 Specifying shaft stiffness and load inertia 93
D.4 Methods of updating PID buffers 94
D.5 Gain sequencing 96
Appendix E Auxiliary Back-up Supply 98
E.1 Functions 98
E.2 Auxiliary back-up supply requirements 98
E.3 Setting-up procedure 100
E.4 Using the auxiliary back-up supply 102
Appendix F Motor Thermal-Overload
Protection 103
F.1 Assigning a digital output 103
F.2 Adjusting the threshold for the motor thermal-
overload alarm 104
Appendix G Flux Alignment 106
Appendix H Storage and Transfer of
Parameter Values 107
H.1 List of S-parameters 108
H.2 Transferring parameter values from one Drive to
another 108
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