Trumeter APM User Manual

Wiring Diagrams
SINGLE PHASE POWER METER CONNECTIONS - LOCAL POWER
OP1-
OP1+
OP2-
OP2+
AOUT
NC
B A
0V
N
L
PSU
USB
A1+
A1- A2+ A2- A3+ A3-
CURRENT MEASUREMENT
N
V1
V2 V3
VOLTAGE MEASUREMENT
MODBUS AND OUTPUTS
FUSE
LOAD
N
L
NOTE: DO NOT CONNECT CT SECONDARYS TO EARTH. CT’S
EARTHED THROUGH N TERMINAL
L
SUPPLY
N
FUSE
L
N
PSU SUPPLY
SPLIT PHASE POWER METER CONNECTIONS - LINE POWER
OP1-
OP1+
OP2-
OP2+
AOUT
NC
B A
0V
N
L
PSU
USB
A1+
A1-
A2+ A2- A3+ A3-
CURRENT MEASUREMENT
N
V1
V2 V3
VOLTAGE MEASUREMENT
MODBUS AND OUTPUTS
FUSE
LOAD
N
L1
SUPPLY
N
FUSE
FUSE
L1
L2
NOTE: DO NOT CONNECT CT SECONDARYS TO EARTH. CT’S EARTHED
THROUGH N TERMINAL
L2
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Trumeter APM Specifications

General

Display Type	LCD
Supply Voltage	12-24 VDC
Operating Temperature	-10 °C
Dimensions	96 mm
Protection	IP65
Display	LCD