Satec expertmeter EM720 Installation Manual page 4

FIGURES
Figure 1: Dimensions..........................................................................................................................3
Figure 2: Wall mount dimensions........................................................................................................4
Figure 3: Memory Backup Lithium Battery and Battery Pack Installation ............................................5
Figure 4: EM720 Connectors view ......................................................................................................6
Figure 5: Typical Electrical Installation................................................................................................7
Figure 6: Three Wire Using 2 CTs - Wiring Setup: 3dir2 .....................................................................8
Figure 7: Four Wire WYE Connection Using 3(4) CTs - Wiring Setup: 4LL3 or 4Ln3 ..........................9
Figure 8: Four Wire WYE Connection Using 3 PTs, 3 (4) CTs - Wiring Setup: 4LL3 or 4Ln3..............9
Figure 9: Three Wire Open Delta Connection Using 2 PTs, 2 CTs - Wiring Setup: 3OP2 ...................10
Figure 10: Three Wire Wye Connection Using 2 PTs, 3 CTs - Wiring Setup: 3LL3 or 3Ln3 ................10
Figure 11: Three Wire Open Delta Connection Using 2 PTs, 3 CTs - Wiring Setup: 3OP3 .................11
Figure 12: Four Wire Delta Connection Using 3 CTs - Wiring Setup: 4LL3 or 4Ln3 ............................11
Figure 13: Digital Input Connection....................................................................................................12
Figure 14: 2DI/2DO Connection.........................................................................................................13
Figure 15: Infrared Communication port - COM1 ................................................................................14
Figure 16: GSM/GPRS Communication port - COM2 .........................................................................14
Figure 17: Serial Communication Network Connection - RS-485 COM3.............................................15
Figure 18: Serial Communication Connection - RS-232 COM3..........................................................16
Figure 19: 10/100BT Ethernet RJ45 Connection................................................................................16
Figure 20: Mini-USB device Connection ............................................................................................17
Figure 21: Auxiliary DC Power Supply Connection ............................................................................18
Figure 22: Modules Front panel side..................................................................................................19
Figure 23: Modules connectors side ..................................................................................................19
Figure 24: RS-232 Simple 3-wire Connection , 25-pin or 9-pin PC COM Port.....................................20
Figure 25: RS-485 Multidrop Connection, 25-pin or 9-pin PC COM Port.............................................20
Figure 26: Front covers removing .......................................................................................................21
Figure 27: Battery Housing cover removing ........................................................................................21
Figure 28: Replacing the 3.6V Lithium Battery....................................................................................21
TABLES
Table 1: Wiring Configuration .............................................................................................................8
Table 2: Auxiliary Terminal Block........................................................................................................12
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