Hitachi EH-150 Weather Radio User Manual


 
Table of contents
1. Introduction 1-1 to 1-4
1.1 Before Use 1-2
1.2 Precaution on Use 1-3
1.3 Features 1-3
1.4 Principle of Operation 1-4
2. Structure and Nameplate 2-1
2.1 Structure and Name of Each Part 2-1
3. Specification 3-1 to 3-2
3.1 Specification list 3-1
3.2 Terminal layout and internal circuit 3-2
4. Block Diagram 4-1
4.1 Internal Block Diagram 4-1
5. External Wiring 5-1
5.1 Resistance Temperature Detective Connection Method and External Wiring
5-1
6. Setting 6-1
6.1 Setting of Temperature Range 6-1
7. Collection of Temperature Data 7-1 to 7-7
7.1 I/O Allocation 7-1
7.2 Temperature Data 7-2
7.3 Example of Calculation 7-4
7.4 Correspondence Table between Temperature and Temperature Data 7-5
8. Error Detection Processing 8-1 to 8-2
8.1 Measured Temperature Range Over 8-1
8.2 Treatment for Sudden Change of Temperature Conversion Data 8-2
9. Mounting 9-1 to 9-2
9.1 Installation 9-1
9.2 Mounting Method 9-1
9.3 Maintenance and Inspection 9-1
9.4 Precautions on External Wiring 9-2