Westermo MD-45 User Manual
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16
6157-2003
Contents
1. Introduction
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17
2. Safety
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18
3. Approvals
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18
3.1 Declaration of conformity
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19
4. Specifications
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20
4.1 Interfaces
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20
4.2 Insulation between interfaces
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20
4.3 Climatic environment
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21
4.4 Mechanics
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21
5. Maintenance
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21
6. Installation
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22
6.1 Mounting /Removal
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22
6.2 Connections
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23
6.2.1 LED indicators
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23
6.2.2 Power (MD-45 HV, AC)
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24
6.2.3 Power (MD-45 LV)
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24
6.2.4 Line connection (RS-422/485)
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24
6.2.5 Terminal connection (RS-232, DCE)
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24
6.3 Configuration
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25
6.3.1 DIP switch settings
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25–26
7. Functional description
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27
7.1 Block diagram
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27
7.2 2 Line connection
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27
7.3 Hints
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28