SATEC EM920 Installation Manual - Manual (Page 5)

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FIGURES
Figure 1: Front view - Nameplate description................................................... 3
Figure 2: EM920 - FORM 9S Dimensions.............................................................. 5
Figure 3: EM920 internal structure ....................................................................... 6
Figure 4: EM920 internal structure ....................................................................... 6
Figure 5:Meter Base – rear view ............................................................................ 7
Figure 6: FORM 9 Typical Electrical Installation............................................... 8
Figure 7: Four Wire WYE Connection No PTs Using 3CTs - Wiring
Setup: 4Ln3.................................................................................................................... 9
Figure 8:Four Wire WYE Connection Using 3 PTs and 3(4) CTs -
Wiring Setup: 4Ln3...................................................................................................... 9
Figure 9: Four Wire DELTA Connection Using no PTs and 3(4) CTs
- Wiring Setup: 4LL3................................................................................................... 10
Figure 10: Four Wire DELTA Connection Using 3 PTs and 3 CTs -
Wiring Setup: 4LL3...................................................................................................... 10
Figure 11: Three Wire DELTA Connection Using no PTs and 2 CTs -
Wiring Setup: 3OP3..................................................................................................... 11
Figure 12: Three Wire DELTA Connection Using 2 PTs and 2 CTs -
Wiring Setup: 3OP3..................................................................................................... 11
Figure 13:LOGIC/DISPLAY Cable........................................................................... 12
Figure 14: 2DI LOGIC/DISPLAY STATUS Input Connection........................ 12
Figure 15: 8DI Cable.................................................................................................. 13
Figure 16: 8DI module STATUS Input Connection.......................................... 13
Figure 17: 6RO Connection ..................................................................................... 14
Figure 18: 4AO Connection...................................................................................... 15
Figure 19: Infrared Communication port – COM1 ............................................ 16
Figure 20: Serial Communication Network Connection – RS-485
COM3 ................................................................................................................................ 16
Figure 21: USB connection ....................................................................................... 17
Figure 22: GSM/GPRS module – SIM card assembly ...................................... 17
Figure 23: ETHERNET module.................................................................................. 19
Figure 24: Serial Communication Network Connection – RS-485
COM4 ................................................................................................................................ 19
Figure 25: Serial Communication Connection – RS-232 COM4 .................. 20
Figure 26: ETHERNET connection........................................................................... 20
Figure 27: AC/DC APS module ................................................................................ 21
Figure 28: RS-232 Simple 3-wire Connection , 25-pin or 9-pin PC
COM Port ......................................................................................................................... 22
Figure 29: RS-485 Multidrop Connection, 25-pin or 9-pin PC COM
Port ................................................................................................................................... 22
Figure 28: Memory Backup - Lithium Battery Replacement......................... 23