Operating instructions

59
CONTENTS
➜
Safety instructions 56
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Safety regulations 62
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Remarks on the present operating instructions and Thyro-A 64
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1. Introduction 66
1.1 General 66
1.2 Specific characteristics 66
1.3 Type designation 67
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2. Functions 67
2.1 Operating modes 67
2.2 Set point control characteristic 68
2.3 Control types 69
2.3.1 Controlled value 70
2.3.2 Limitations 70
2.3.3 Controller response 70
2.4 Indications 70
2.4.1 LED indications 70
2.4.2 Alarm relay K1 71
2.5 Monitoring 71
2.5.1 Monitoring of load and mains voltage 71
2.5.2 Absolute value monitoring current 71
2.5.3 Equipment temperature monitoring 71
2.5.4 Ventilator monitoring 72
2.6 Set point processing when employing a bus module 72
2.7 Additional functions for Thyro-A 73
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3. Operation 75
3.1 Configuration switch S1 75
3.1.1 Operating mode 75
3.1.2 Control types / analog output 75
3.1.3 Live zero set point 75
3.1.4 Set point input 76
3.1.5 Analog output 76
3.2 Potentiometer 76
3.2.1 Phase angle 1. half wave operation TAKT 76
3.2.2 Control end set point input 77
3.2.3 Current limitations 78
3.2.4 Increased analog output 78
3.2.5 Load monitoring (undercurrent monitoring) 78
3.3 Diagnosis / status indications 83