9. Maintenance and Troubleshooting
10. Dimensions
11. Appendix
11.1. Demand Calculation
11.2. Data Read Format from Modbus *
11.3. Neutral Current Calculation
29
29
30
30
30
31
*- Applicable for DPM380 only
FIGURES
1. Parts of power meter
2. Recommendation cut-out
3. 3-phase 4-wire system with 4 CTs
4. 3-phase 4-wire system with 3 CTs
5. 3-phase 3-wire with 3CTs and 3VTs
6. 3-phase 3-wire with 2CTs and 3VTs
7. Menu map for the normal mode
8. Flow map for the programming mode
2
3
4
4
5
5
7
8
TABLE
1. Parts list
2. Location and part label
3. Model information
4. Specification
5. Data length nomenclature
6. Device and communication register
7. Operation data registers
8. Setting data registers
1
2
2
18
20
20
21
28