Satec PM172EH Series, Инструкция по установке и эксплуатации

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Chapter 2 Installation
16
1. Line to neutral voltages: 120V; 208V; 120V.
2. Line to line voltages: 240V; 240V; 240V.
VOLTAGES DISPLAYED:
N
(A)
*
1
L
120V
2
L
*
(C)
120V
208V
L
3
*
(B)
Grounded delta connection
N
LINE
LINE
LINE
208VAC
240VAC
240VAC
N
L
3
* *
* *
* *
120VAC
N
L
3
(C)
120VAC
240VAC
2
L
L
1
(A)
2
L (B)
1
L
+
+
-
K
+
K
K
-
L
L
LOAD
-
L
11
c99-05031
8
5
2
1(A)
2(B)
3(C)
V
1
V
2
V
N
V
3
Shorting
Switches
1
7
10
12
+
9
4
-
6
+
3
-
Currents Voltages
Figure 2-13 Four Wire Delta Direct Connection Using 3 CTs
(3-element) Wiring Mode = 4LL3 or 4Ln3
2.2.5 Relays
Figure 2-14 Relays Connection
2.2.6 Status Inputs
Figure 2-15 Status Inputs Connection
Two optically isolated status inputs
are provided for status monitoring,
counting pulses and for external
power demand period and time
synchronization.
Two relays are provided for energy
pulsing, alarms or remote control.