Pilot Communications PMAC901, Installation & Operation Manual, Page: 7 / 10

(4) Press and release, confirm to clear energy. The screen again shows:
4-C n
(5) Press to quit programming, and turn back to data displaying interface. The kWh value has been cleared to
zero.
6. Connection Modes and Drawing
There are two connection modes: direct connection and indirect connection through CT.
When rated current ＞ 100A, the meter should be connected via external CT.
When rated current ≤ 100A, the meter should be connected directly.
(1) PMAC901 direct connection drawing ( rated current
≤ 100A)
1
2
3
4
TEST
485/CMbus
-
+
-
+
5
L
6
7
N
8
L
N
Note: The dimension of L/+ connecting hole is 7×7mm.
The dimension of N/- connecting hole is 3.5×2.5mm.
(2) PMAC901 indirect connection drawing, via external CT (rated current >100A
）
TEST
485/CMbus
-
+
-
+
5
I-
6
7
N
8
I+
N
1
2
3
4
L
7. Figure and Installation Dimension
PMAC901 Figure and Installation Dimension (unit: mm)
5