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ACM100 User's Manual
Step 2: The Current Transducer has black and white wires. Install the Current Transducer as
follows:
a. Connect the black wire to pin 7 (I
b. Connect the white wire to pin 8 (I
c. Disconnect the hot wire from the AC power source and place it through the hole in the
Current Transducer such that the arrow on the Current Transducer points towards the
AC power source. Then, reattach the hot wire to the AC source.
Step 3: You must supply a cable for connecting the voltage sense pins on the ACM100 to the
AC source. For the purposes of these instructions, we will assume that the cable has one black
conductor and one white conductor. Install the voltage sense cable as follows:
a. Connect the white wire from one end of the Voltage Sense cable to pin 4 (V
the ACM100.
b. Connect the white wire from the other end of the Voltage Sense cable to the neutral
wire of the AC source being monitored.
c. Connect the black wire from one end of the Voltage Sense cable to pin 1 (V
the ACM100
d. Connect the black wire from the other end of the Voltage Sense cable to a fuse
appropriately sized for the black wire (18 gauge wire minimum and 3 amp fuse or
less).
e. Connect the other end of the fuse to the AC source hot wire (the fuse should be placed
within 6 inches of the connection to the hot wire).
2.4.2.2 Single-Phase (Phase A, B) Connection
Please refer to Figure 4 for connecting the ACM100 to a single phase, dual line system.
Line (Phase B)
Line (Phase A)
Neutral
Figure 4 – Single-Phase (Dual Line) Connection Diagram
Page 6
) on the ACM100
A+
) on the ACM100
A-
Current
Transducer
1 2
3
4
5
6 7 8 9 10 11 12
Current
Transducer
+
U.S.
120 Volts
60Hz
-
ACM100 Screw Terminals
) on
ANeutral
) on
ALine
+
Europe
220 Volts
50Hz
-
Revision 1.3
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